Collagen is the primary building block of your body's skin, muscles, bones and more. As you age, your body's collagen levels naturally decline, which can reduce bone strength and skin elasticity ...

The study found bisphenols in three of 160 protein powder products, compared to 55% in a previous study. The report said researchers tested 160 products from 70 top-selling brands, which ...

Protein powder samples were then sent to an independent certified laboratory, which ran nearly 36,000 individual tests on 258 different contaminants, including heavy metals, bisphenols ...