The fight is on: collagen vs whey protein. But which one is better for improving muscle development and overall health? What are the pros and cons of each? And, how do you know which supplement will suit you best? Read on to discover more about each of these popular protein powders.
The best protein powders can help you feel fuller for longer, boost your metabolism and build lean muscle. Whey protein powder seems to have conquered the market for athletes, bodybuilders and fitness enthusiasts, and its popularity is set to continue. Forecasters predict the global whey protein market will double to more than $18bn (opens in new tab) within just six years, according to data website Statista.
However, the new kid on the block, collagen powder, is gaining popularity, with claims that it can help you build muscle, lose weight, reduce inflammation and even improve your skin and hair. So, what are the differences between these two supplements, and which one might suit your nutritional needs best? Here’s the lowdown.
What is collagen?
Collagen is an essential protein the body needs to build and maintain the connective tissues in our muscles, skin and bones. It improves flexibility, supports major organs and boosts elasticity in the skin. The body produces plenty of collagen, especially during childhood and in younger adults.
Our body’s collagen levels deplete as we age, at an average rate of 1% to 1.5% per year, according to the journal Plastic and Aesthetic Research (opens in new tab). Lifestyle choices, smoking and exposure to UV rays from the sun can also deplete these levels. Results include wrinkles and sagging skin, weak muscles and joints, and gastrointestinal problems.
What is whey protein?
Whey protein is a by-product of the cheese-making process that provides essential building blocks to promote muscle growth, such as amino acids. According to the Mayo Clinic (opens in new tab), whey protein may help to speed up muscle recovery after intense exercise and support weight gain in people who have trouble keeping on weight. It can also improve burn and wound healing.
“Whey protein is high in the amino acid leucine, which triggers muscle protein synthesis post-exercise, improving muscle development,” says Julie Stefanski, registered dietician and spokesperson for the Academy of Nutrition and Dietetics. “Adding whey protein improves wound healing and age-related muscle weakness.”
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