Doctor issues serious health warning about protein shakes - 'men should be mindful'

For many people, protein shakes are an essential part of the fitness toolkit. That’s because protein is essential for building and maintaining muscle, bone strength, and numerous body functions. Powdered forms of protein are often taken as a pre or post-workout. However, taking protein this way can present hidden health risks.

Undermining sperm production is risky because it makes conceiving harder.

The Mayo Clinic explains: “Too little sperm in an ejaculation might make it more difficult to get pregnant because there are fewer candidates available to fertilise the egg.”