What’s inside: You’ll read about how much protein you really need, how it strengthens not just your muscles but your swimmers too, why the right kind of meat (yes, even red) can boost fertility, and why seafood and plant proteins remain just as desirable—right alongside that lean chicken breast and protein shake.
Most gym-goers know their protein intake down to the gram. They debate whey versus casein, and the timing of their post-workout shake. But did you know that only 10-20% of the protein you eat ever goes to building muscle? The rest fuels critical work in your body. Critical work such as making enzymes, hormones, organs, and one of the most complex protein packages the body produces: sperm are some of the other uses of protein.