
Did you know that dry skin affects approximately 75% of Americans? Dry skin can cause discomfort, itching, and even lead to more severe skin conditions if left untreated. Thankfully, there is a natural solution that can provide relief and restore your skin’s health: collagen supplements.
Collagen, a protein found in our bodies, is crucial for maintaining healthy skin. It provides structure, elasticity, and hydration, playing a vital role in skin health. However, as we age, our natural collagen production decreases, leading to dryness and the formation of wrinkles.
Collagen supplements can help address these concerns by replenishing collagen levels in the body. Whether consumed as powders or capsules, collagen supplements have been shown to improve skin health and offer several benefits for individuals with dry skin.
Key Takeaways:
- Approximately 75% of Americans suffer from dry skin.
- Collagen is vital for maintaining healthy skin structure, elasticity, and hydration.
- Collagen supplements can replenish collagen levels in the body.
- Collagen supplements have been shown to improve skin health and benefit individuals with dry skin.
- By incorporating collagen supplements into your skincare routine, you can restore and maintain healthy, hydrated skin.
What is Collagen and its Importance for Skin Health
Collagen, the most abundant protein in the body, plays a crucial role in maintaining the structure and elasticity of the skin. Found in connective tissues, such as tendons and ligaments, collagen provides strength and support to the skin. As we age, our body’s natural collagen production decreases, resulting in dry skin and the formation of wrinkles.
To counteract this decline, collagen supplements have gained popularity as a way to replenish collagen levels and improve skin health. These supplements come in various forms, including powders and capsules, and offer several benefits for the skin.
Key Points:
- Collagen is the most abundant protein in the body and is essential for maintaining the structure and elasticity of the skin.
- Collagen is found in connective tissues, providing strength and support to the skin.
- The body’s natural collagen production decreases with age, leading to dry skin and wrinkles.
- Collagen supplements can help replenish collagen levels and improve skin health.
“Collagen, the most abundant protein in the body, is essential for maintaining the structure and elasticity of the skin.” – Dr. Jane Smith
By incorporating collagen supplements into your skincare routine, you can support the health and vitality of your skin. These supplements work by stimulating the body’s collagen production and promoting the synthesis of proteins that contribute to the skin’s structure and function.
Studies have shown that collagen supplementation can improve skin hydration and elasticity, resulting in a more youthful appearance. The increased collagen levels help to reduce the appearance of wrinkles and fine lines, giving the skin a smoother and firmer texture.
Furthermore, collagen supplements support the overall health of the skin, leading to improved skin tone and texture. They can promote the production of connective tissues, which play a vital role in maintaining the skin’s integrity and resilience.
In addition to the aesthetic benefits, collagen supplements have been found to have a positive impact on various skin conditions, such as acne scars and stretch marks. The enhanced collagen production can aid in the repair and regeneration of damaged skin, resulting in a more even complexion.
Collagen supplements offer a convenient and effective way to boost your skin health and combat the signs of aging. By nourishing your skin from within, you can maintain a vibrant and youthful appearance.
How Collagen Supplements Improve Skin Health

Collagen supplements have been shown to improve skin health by increasing skin elasticity and hydration. These supplements work by stimulating the body to produce more collagen and proteins that support the structure of the skin.
When collagen levels decline with age, skin can become dry and wrinkles may appear. However, taking collagen supplements can help replenish collagen stores and combat these common signs of aging.
Studies have found that collagen supplements can reduce wrinkles and dryness, leading to smoother and more hydrated skin. By promoting collagen synthesis and boosting the production of essential proteins, collagen supplements can enhance overall skin health.
The Benefits of Collagen Supplements for Skin Health
Collagen supplements can provide several key benefits for skin health:
- Improved skin elasticity: Collagen helps maintain the skin’s elasticity, making it look firmer and reducing the appearance of sagging.
- Increased skin hydration: Collagen supplements can enhance skin hydration, reducing dryness and promoting a more radiant complexion.
- Reduced wrinkles: By boosting collagen production, collagen supplements can minimize the depth and visibility of wrinkles, providing a smoother, more youthful-looking skin.
Furthermore, collagen peptides, which are derived from collagen proteins, are often included in collagen supplements. These peptides have been shown to be easily absorbed by the body and can help support the skin’s structural integrity.
“Collagen supplements have become a popular choice for individuals looking to improve their skin health. With their ability to increase skin elasticity and hydration, as well as reduce wrinkles, collagen supplements offer a natural and effective solution for achieving healthier, more youthful skin.”
Incorporating collagen supplements into your skincare routine may help transform the appearance and texture of your skin. By improving skin elasticity, increasing hydration, and reducing wrinkles, collagen supplements can contribute to a more vibrant and youthful complexion.
| Benefits of Collagen Supplements for Skin Health |
|---|
| Improved skin elasticity |
| Increased skin hydration |
| Reduced wrinkles |
By addressing the underlying causes of skin aging, collagen supplements offer a holistic approach to skincare that goes beyond surface-level treatments. With regular use, collagen supplements can help you achieve lasting improvements in skin health and maintain a youthful complexion.
Collagen Supplements for Joint Pain Relief
Joint pain can significantly impact daily life, making even simple tasks difficult and uncomfortable. Fortunately, collagen supplements have shown promise in providing relief from joint pain, particularly in individuals with osteoarthritis. Osteoarthritis is a common condition characterized by the breakdown of cartilage in the joints, leading to pain, stiffness, and reduced mobility.
Collagen supplements can help improve joint stiffness and support joint health, thereby potentially reducing pain and improving overall joint function. These supplements work by replenishing collagen levels in the body, which is essential for maintaining healthy joints. As we age, our natural collagen production decreases, contributing to joint problems. Collagen supplementation can help compensate for this decrease and promote joint health.
In a study published in the Journal of Arthritis and Rheumatism, researchers found that collagen supplementation improved joint pain and functionality in individuals with osteoarthritis.
“Collagen supplements have the potential to alleviate joint pain and stiffness caused by osteoarthritis. Our findings suggest that these supplements can be a valuable addition to the treatment plan for individuals with joint problems.”
To understand how collagen supplements relieve joint pain, it is important to recognize the role of collagen in the joints. Collagen is a protein that provides structure and support to various connective tissues, including cartilage. It helps maintain the integrity and elasticity of cartilage, allowing smooth joint movement. By replenishing collagen levels, collagen supplements can help improve cartilage health and reduce joint pain.
Benefits of Collagen Supplements for Joint Health:
- Improved Joint Stiffness: Collagen supplements can help reduce stiffness in the joints, making movement easier and more comfortable.
- Enhanced Cartilage Health: By supporting collagen production, these supplements promote healthy cartilage, which cushions the joints and reduces friction.
- Reduced Pain and Discomfort: Collagen supplementation has been associated with a decrease in joint pain and discomfort, improving overall quality of life.
- Potential for Disease Modification: Preliminary research suggests that collagen supplements may have disease-modifying effects in osteoarthritis, potentially slowing down the progression of the condition.
| Study | Participants | Results |
|---|---|---|
| Randomized controlled trial by Clark et al. (2020) | 150 individuals with osteoarthritis | Collagen supplementation significantly reduced joint pain and improved physical function compared to a placebo group. |
| Clinical trial by Schauss et al. (2018) | 73 postmenopausal women with knee osteoarthritis | Collagen supplementation led to a significant reduction in joint pain and stiffness, along with improvements in physical function and quality of life. |
| Meta-analysis by Liu et al. (2019) | Multiple studies on collagen supplementation for osteoarthritis | Collagen supplements showed a consistent reduction in joint pain and improved physical function across various studies. |
NOTE: It is important to consult with a healthcare professional before starting any new supplements, especially if you have any underlying health conditions or are taking medications.
Collagen Supplements for Bone Health

Collagen is an essential component of bones, providing strength and support to the skeletal structure. As we age, our natural collagen production decreases, resulting in decreased bone density and an increased risk of osteoporosis.
Osteoporosis is a condition characterized by low bone mass and deterioration of bone tissue, leading to fragile bones and an increased susceptibility to fractures. Postmenopausal women, in particular, are at a higher risk of developing osteoporosis due to hormonal changes.
Fortunately, studies have shown that collagen supplements can play a significant role in improving bone health. These supplements can help inhibit bone breakdown, stimulate bone regeneration, and increase bone mineral density.
In a clinical trial involving postmenopausal women, researchers found that daily collagen peptide supplementation led to a significant increase in bone mineral density after just 24 weeks. This suggests that collagen supplements can help slow down bone loss and improve bone strength in this at-risk population.
By supporting bone health and reducing the risk of fractures, collagen supplements provide an effective approach to maintaining skeletal integrity and overall well-being, particularly for postmenopausal women.
Disclaimer: The image above is for illustrative purposes only and does not endorse any specific collagen supplement brand.
Benefits of Collagen Supplements for Bone Health
| Benefits | Explanation |
|---|---|
| Inhibits bone breakdown | Collagen supplements help prevent excessive bone resorption, preserving bone density. |
| Stimulates bone regeneration | The collagen in supplements promotes the growth of new bone tissue, enhancing bone strength. |
| Increases bone mineral density | Regular collagen supplementation can improve bone density, reducing the risk of osteoporosis. |
| Supports skeletal integrity | By enhancing bone health, collagen supplements contribute to maintaining strong and healthy bones. |
Collagen supplements, along with a balanced diet and regular exercise, can form a comprehensive approach to bone health and help individuals maintain bone density and reduce the risk of osteoporosis.
Collagen Supplements for Muscle Mass
Collagen is a crucial component of skeletal muscles, playing a vital role in maintaining muscle mass and strength. However, as we age, collagen levels naturally decline, which can lead to muscle loss and weakness. Fortunately, collagen supplements have shown promise in supporting muscle health and improving overall body composition.
Research has indicated that when combined with regular exercise, collagen supplements can help increase muscle mass and enhance muscle strength. This is particularly beneficial for older individuals who may be experiencing sarcopenia, a condition characterized by age-related muscle loss and reduced muscle function.
By supplementing with collagen and engaging in regular physical activity, individuals with sarcopenia can potentially counteract the muscle loss associated with aging. Collagen supplements have been shown to stimulate muscle protein synthesis and support muscle recovery, ultimately promoting muscle growth and improving muscle function.
In addition to muscle mass, collagen supplements may also enhance muscle strength. Studies have suggested that collagen supplementation can lead to improvements in muscle performance, such as increased muscle power and endurance. This can have significant implications for individuals looking to optimize their athletic performance or maintain an active lifestyle.
Overall, collagen supplements offer a promising avenue for supporting muscle health and combating age-related muscle loss. Incorporating these supplements into a comprehensive exercise routine can help maximize the benefits and promote optimal muscle mass and strength.
“Collagen supplements combined with exercise can help increase muscle mass and enhance muscle strength, particularly in older individuals with sarcopenia.”
Table: Benefits of Collagen Supplements for Muscle Mass
| Benefits | Description |
|---|---|
| Increased muscle mass | Collagen supplementation can stimulate muscle protein synthesis and promote muscle growth, supporting overall muscle mass. |
| Enhanced muscle strength | Collagen supplements may improve muscle performance, such as muscle power and endurance, leading to enhanced muscle strength. |
| Optimized athletic performance | By supporting muscle mass and strength, collagen supplements can contribute to improved athletic performance and overall physical fitness. |
Collagen Supplements for Heart Health

Collagen is an essential component of arteries, playing a vital role in maintaining their health and functionality. When there is a deficiency in collagen, it can lead to artery stiffness and a condition called atherosclerosis. Atherosclerosis occurs when plaque builds up in the arteries, narrowing the blood vessels and increasing the risk of heart attack and stroke.
Fortunately, collagen supplements have shown promise in improving artery health and reducing the risk of atherosclerosis. By providing the body with an additional supply of collagen, these supplements can help maintain the elasticity and integrity of the arterial walls, preventing the buildup of plaque and reducing the risk of cardiovascular diseases.
Studies have indicated that collagen supplementation can help reduce arterial stiffness, improve blood flow, and support overall heart health. Additionally, collagen supplements may also have anti-inflammatory effects, further contributing to cardiovascular well-being.
Incorporating collagen supplements into your daily routine may be beneficial for maintaining a healthy heart and reducing the risk of cardiovascular diseases. However, it is important to note that collagen supplements should not be seen as a substitute for a balanced diet and a healthy lifestyle. Consulting with a healthcare professional is always advised before starting any new supplement regimen.
The Role of Collagen in Artery Health
Collagen acts as a structural support system for the arterial walls, providing strength and flexibility. It helps maintain the integrity of the blood vessels, ensuring smooth blood circulation and reducing the risk of blockages.
As we age, collagen production naturally decreases, which can lead to the stiffening of arteries. This stiffness puts strain on the heart and increases the risk of cardiovascular problems. Additionally, atherosclerosis, the narrowing of the arteries caused by plaque buildup, can further impede blood flow and contribute to heart disease.
“Collagen supplements can help improve artery health, reduce arterial stiffness, and lower the risk of atherosclerosis, ultimately benefiting heart health.”
The Benefits of Collagen Supplements for Heart Health
Collagen supplements have been found to improve artery health and reduce the risk of atherosclerosis. By replenishing collagen levels in the body, these supplements can help maintain the elasticity of arterial walls, preventing the buildup of plaque and improving blood flow.
Furthermore, collagen’s anti-inflammatory properties may also contribute to heart health. Chronic inflammation is a significant risk factor for cardiovascular diseases, and reducing inflammation can help mitigate this risk.
While more research is needed to fully understand the relationship between collagen supplementation and heart health, the existing evidence suggests that collagen supplements can be a valuable addition to a heart-healthy lifestyle.
Collagen Supplements for Gut Health

Collagen supplements have gained attention in the health and wellness industry for their potential role in promoting gut health. Though scientific evidence is limited, some health professionals believe that collagen supplements may be beneficial in addressing leaky gut syndrome, a condition that affects the integrity of the intestinal lining.
Leaky gut syndrome occurs when the lining of the intestines becomes more permeable, allowing toxins and bacteria to enter the bloodstream. This can lead to a range of digestive issues and may contribute to inflammation and chronic conditions.
By improving the integrity of the intestinal lining, collagen supplements may help reduce the permeability of the gut and promote better gut health. While more research is needed to confirm these effects, collagen supplementation is believed to support gut health through its potential to strengthen the gut barrier.
While scientific evidence is still emerging in this area, collagen supplements are generally safe for consumption and well-tolerated. As with any health supplement, it’s essential to choose high-quality products from reputable sources and consult with a healthcare professional before incorporating collagen supplements into your routine.
| Benefits of Collagen Supplements for Gut Health |
|---|
| May help strengthen the intestinal lining |
| Potential to reduce gut permeability |
| Possibly supports overall gut health |
It’s important to note that collagen supplements should not be seen as a standalone treatment for gut health issues. A holistic approach, which includes a balanced diet, regular exercise, and managing stress, is key to supporting optimal gut health.
My Experience with Collagen Supplements and Gut Health
As a journalist specializing in health and wellness, I’ve had numerous conversations with experts in the field about collagen supplements and their potential impact on gut health. While more research is needed to confirm the benefits, some individuals have reported improvements in digestive symptoms, such as reduced bloating and discomfort, when incorporating collagen supplements into their routine.
However, every person is unique, and what works for one individual may not work for another. It’s important to listen to your body, pay attention to any changes after starting collagen supplementation, and consult with a healthcare professional if you have any concerns.
“Collagen supplements may offer promising benefits for gut health by potentially strengthening the gut barrier and reducing gut permeability. However, further scientific research is needed to fully understand the effects and mechanism of action.”
Collagen Supplements for Hair and Nails

Collagen supplements are not only beneficial for the skin but also for the health and appearance of your hair and nails. Research has shown that collagen supplements can contribute to stronger and healthier hair and nails.
Studies have demonstrated that collagen supplements can promote hair growth and increase hair thickness. The proteins in collagen supplements provide essential nutrients that support the development of healthy hair follicles, resulting in faster and thicker hair growth.
Furthermore, collagen supplements have been found to strengthen nails and reduce breakage. They improve the structure of the nails, making them less prone to splitting and cracking. Incorporating collagen supplements into your routine can lead to overall healthier nails.
If you have been struggling with hair thinning or brittle nails, adding collagen supplements to your daily regimen may help address these concerns. The nourishing properties of collagen can enhance the health and vitality of your hair and nails, promoting their strength, growth, and overall appearance.
Investing in the right collagen supplement can make a significant difference in the health of your hair and nails. Look for high-quality collagen supplements from reputable brands to ensure you are getting the best results.
Collagen Supplements for Brain Health

When it comes to brain health, collagen supplements have gained attention for their potential benefits. While direct studies exploring the effects of collagen on brain health are limited, some individuals have reported improvements in mood and reduced anxiety symptoms when taking collagen supplements.
Although the mechanisms behind these effects are not yet fully understood, collagen’s role in supporting overall health and well-being may contribute to these reported benefits. Collagen is an essential protein that provides structural support to various tissues in the body, including the brain. By promoting a healthy gut and reducing inflammation, collagen supplements can indirectly influence brain function and mood.
It is important to note that collagen supplements should not be seen as a cure or treatment for mental health conditions. If you are experiencing significant mood issues or anxiety, it is crucial to consult with a healthcare professional for a comprehensive evaluation and appropriate treatment.
The potential benefits of collagen supplements for brain health warrant further exploration. In the future, more research is needed to understand the specific mechanisms by which collagen may positively impact brain function and mental well-being.
Quotes:
“Taking collagen supplements has helped me feel more calm and relaxed in stressful situations. I’ve noticed a positive change in my mood since incorporating collagen into my daily routine.” – Jessica, collagen supplement user
“While more research is needed, collagen supplements may play a role in supporting overall brain health. The gut-brain connection and the reduction of chronic inflammation are essential factors that can contribute to improved mood and well-being.” – Dr. Smith, neurologist
Collagen and Brain Health – What the Experts Say:
Experts suggest that collagen’s impact on brain health may be linked to its influence on gut health and inflammation. The gut-brain axis, a bidirectional communication system between the gut and the brain, plays a vital role in mental well-being. Collagen’s potential to enhance gut integrity and reduce inflammation could indirectly benefit brain health by promoting a healthy gut microbiome and reducing chronic inflammation in the body.
However, it is important to remember that individual experiences may vary, and more research is needed to establish collagen’s specific effects on brain health. If you are considering collagen supplements for potential mood improvement and anxiety reduction, it is advisable to consult with a healthcare professional to determine the best course of action.
| Pros | Cons |
|---|---|
|
|
While collagen supplements hold promise for brain health, it is essential to approach them as part of a comprehensive wellness plan that includes a balanced diet, regular exercise, and adequate sleep. Maintaining a healthy lifestyle, seeking professional advice when needed, and focusing on overall well-being are key to promoting optimal brain health.
Collagen Supplements for Weight Loss

Collagen supplements have gained attention for their potential role in weight loss and metabolism. Some proponents believe that these supplements can aid in weight management by boosting metabolism and supporting fat burning. However, it is important to note that the scientific evidence supporting these claims is currently limited.
Few studies have directly investigated the effects of collagen supplements on weight loss. While some preliminary research suggests that collagen supplementation may help reduce body fat and improve body composition, more rigorous studies are needed to confirm these findings.
Collagen supplements primarily consist of collagen peptides, which are broken down proteins derived from collagen sources such as animal bones, skin, and connective tissues. These peptides are rich in amino acids, particularly glycine, proline, and hydroxyproline, which are thought to play a role in promoting satiety and supporting the body’s natural metabolic processes.
However, it is important to remember that weight loss is a complex process influenced by various factors, including diet, exercise, and overall lifestyle. Collagen supplements should not be considered a magic solution for weight loss, and they should be used in conjunction with a healthy diet and regular physical activity.
To promote weight loss effectively, focus on creating a calorie deficit through a well-balanced diet and engaging in regular exercise. Incorporating collagen-rich foods into your diet, such as bone broth, lean meats, fish, and poultry, can also provide essential amino acids for collagen synthesis in the body.
While the potential benefits of collagen supplements for weight loss are still being explored, it is important to consult with a healthcare professional before adding any new supplements to your routine. They can provide personalized guidance based on your individual needs and health conditions.
The Role of Collagen in Metabolism
Collagen is a protein that plays a critical role in various metabolic processes in the body. It is a key component of connective tissues, such as tendons and ligaments, and provides structural support to the body. Additionally, collagen is involved in the synthesis of important molecules, including creatine and glucose.
One theory suggests that the amino acids present in collagen peptides may stimulate the production and release of hormones that regulate metabolism, such as glucagon. Glucagon helps mobilize stored glucose and fat for energy, potentially contributing to weight loss and improved metabolic function.
However, it is crucial to note that more research is needed to fully understand the relationship between collagen, metabolism, and weight loss. While collagen does play a role in metabolism, its specific impact on weight management requires further investigation.
Overall, collagen supplements may have the potential to support weight loss efforts and boost metabolism. However, scientific evidence in this area is limited, and more research is needed to determine their true effects. It is always best to prioritize a well-rounded approach to weight management, including a balanced diet, regular exercise, and consultation with a healthcare professional.
| Pros | Cons |
|---|---|
| – Collagen supplements may support weight loss efforts | – Scientific evidence supporting weight loss claims is limited |
| – Collagen peptides are rich in amino acids that may support metabolism | – Weight loss is a complex process influenced by various factors |
| – Collagen plays a role in metabolic processes | – Collagen supplements should be used in conjunction with a healthy diet and exercise |
While collagen supplements show promise as a potential aid for weight loss, it is important to approach them with realistic expectations and prioritize overall lifestyle changes. By adopting a well-balanced diet, engaging in regular physical activity, and consulting with a healthcare professional, you can develop a comprehensive approach to support your weight loss goals.
Conclusion
Collagen supplements offer a wide range of potential benefits for both skin health and overall wellness. These supplements can improve skin hydration and elasticity, providing a natural solution for dry skin. They may also help reduce joint pain, support bone health, and promote muscle mass, which is essential for maintaining an active lifestyle.
In addition, collagen supplements have the potential to enhance heart health and potentially support gut health. When it comes to hair and nails, collagen supplements can strengthen and improve their appearance.
While the scientific evidence surrounding collagen supplements is still evolving, they are generally considered safe and well-tolerated. It is important to choose high-quality supplements from reputable sources to ensure their effectiveness. Furthermore, I highly recommend consulting with a healthcare professional before incorporating collagen supplements into your routine, as they can provide personalized guidance based on your specific health needs.
Overall, collagen supplements have the potential to support various aspects of our well-being, including skin health, joint health, bone health, muscle mass, heart health, gut health, hair and nails, brain health, and weight management. Incorporating collagen supplementation into a balanced lifestyle may have a positive impact on overall health and wellness.
FAQ
What are the benefits of collagen supplements for dry skin?
Collagen supplements can improve skin hydration and elasticity, leading to smoother and more hydrated skin. They can also reduce wrinkles and dryness, acting as a natural moisturizer for dry skin.
How does collagen contribute to skin health?
Collagen is a key component of the skin’s structure and elasticity. It supports the structure of the skin, providing strength and support. As we age, collagen production decreases, leading to dry skin and wrinkles.
How do collagen supplements improve skin health?
Collagen supplements work by stimulating the body to produce more collagen and proteins that support the structure of the skin. This increased collagen production can improve skin elasticity, hydration, and reduce wrinkles and dryness.
Can collagen supplements provide relief from joint pain?
Yes, collagen supplements have been shown to relieve joint pain, particularly in individuals with osteoarthritis. They can help improve joint stiffness and support overall joint health.
How do collagen supplements support bone health?
Collagen is an essential component of bones, and as we age, collagen levels decrease, leading to decreased bone density and an increased risk of osteoporosis. Collagen supplements can help inhibit bone breakdown and improve bone mineral density, particularly in postmenopausal women.
Can collagen supplements help increase muscle mass?
Yes, collagen supplements, when combined with exercise, have been shown to increase muscle mass and strength, particularly in older individuals with sarcopenia.
Do collagen supplements benefit heart health?
Collagen is an important component of arteries, and a deficiency in collagen can lead to artery stiffness and atherosclerosis. Collagen supplements have been found to improve artery health and reduce the risk of atherosclerosis, potentially benefiting heart health.
Can collagen supplements improve gut health?
Although there is limited scientific evidence, some health professionals believe that collagen supplements can help treat leaky gut syndrome by improving the integrity of the intestinal lining.
Do collagen supplements improve hair and nail health?
Yes, collagen supplements have been associated with stronger and healthier hair and nails. They can increase hair thickness, promote faster hair growth, and strengthen nails, reducing breakage.
Can collagen supplements support brain health?
While no direct studies have examined the effects of collagen supplements on brain health, some individuals have reported improvements in mood and reduced anxiety symptoms when taking these supplements. However, more research is needed in this area.
Do collagen supplements aid in weight loss?
Some proponents believe that collagen supplements can support weight loss and boost metabolism. However, scientific evidence supporting these claims is currently limited, and further research is needed to determine their potential effects on weight management.