11/25/2023 0 Comments Collagen vs gelatin powder![]() In 2021, a randomized and double-blind study found that neither whey protein nor collagen helped reduce appetite in healthy women. The jury’s out on this one, despite claims that whey protein and collagen supplements can help curb appetite. According to the Mayo Clinic, whey protein may cause gastrointestinal problems in some people, while collagen supplements are generally considered safe, with no known side-effects. DigestionĬollagen tends to win out on the digestion front. “Leucine independently triggers muscle protein synthesis post-exercise, offering an additional boost to muscle growth,” says Stefanski. Research has shown that leucine can help to increase muscle mass and strength, specifically in healthy older people. The key ingredient here is leucine again, more of which is in whey protein. (Image credit: Whey protein photo via Shutterstock) Muscle mass As a result, many supplements now contain hydrolyzed collagen. Hydrolyzing collagen breaks it down into smaller particles with a faster absorption rate. ![]() While collagen absorption research is in its infancy, it appears slower to absorb than whey protein. In fact, according to a 2018 article in the Journal of the International Society of Sports Nutrition, the body can absorb 20g of whey protein in just two hours. Whey protein is widely known for being a fast-acting protein. ![]() According to a 2019 study on overweight women, these extra amino acids may contribute to the result that whey protein was more effective at increasing the women's resting metabolic rate than collagen supplements. Whey protein contains more branched amino acids, such as leucine, than collagen. Stefanski owns a private practice focused on writing and social media, children with special needs, and athletes. She is a certified diabetes care and education specialist and a certified specialist in sports dietetics. Julie Stefanski is a registered dietician and spokesperson for the Academy of Nutrition & Dietetics.
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