![]() Learn about the difference between weight loss and fat loss here. Some research suggests collagen peptides may alter gene expression related to how the body stores and accumulates fat. The exact mechanisms behind these findings are uncertain. The group taking collagen showed significantly reduced body fat mass and body fat percentage than the placebo group. In a 2019 study, 81 people were given either collagen supplements derived from fish skin or a placebo for 12 weeks. ![]() Researchers have found similar results in humans. The rats showed a reduction in body mass index (BMI), weight gain, and fasting blood glucose levels. However, the fat loss was not associated with significant body weight changes.Ī 2023 animal study published in the Croatian Medical Journal treated obese rats with Antarctic jellyfish collagen peptides. Rodent studies have shown that specific collagen peptides may influence how the body stores fat.Ī 2021 animal study published in the Journal of Nutritional Science and Vitaminology found that administering collagen peptides to mice over 3 weeks resulted in visceral fat loss for mice on a high fat diet. Researchers found benefits for recreational athletes, professional athletes, and older adults. In a 2021 systematic review published in the journal Amino Acids, collagen peptide supplementation paired with exercise helped improve joint function and reduce pain. Decreased pain may help people be more physically active and lose weight. Joint pain can limit the ability to exercise, which is important for most weight loss programs.Īs collagen is essential for healthy connective tissue in the joints, collagen supplements may help support joint health and reduce pain. The researchers suggested this may be because collagen does not contain BCAA and tryptophan, two substances in whey protein linked to satiety and improved body composition. They found that people taking collagen supplements experienced more weight gain over 8 weeks than those taking whey protein. Researchers gave females with overweight either collagen or whey protein supplements. However, collagen may be less effective than other sources at promoting satiety. Feeling full can lead to people eating less or less often, possibly resulting in weight loss. Protein intake is associated with satiety - the feeling of fullness to the point of satisfaction. It may also promote satiety, meaning people feel fuller and eat less. Many of the studies are small, animal-based, and focus on very specific collagen peptides.Ĭollagen may help with weight loss indirectly by providing joint pain relief so people can be more physically active. Researchers have not found a direct link between collagen supplementation and weight loss, which is an emerging research area.
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