What Causes Low Testosterone?

Testosterone is the most commonly known male hormone (androgen) and is vital for men’s health. Low testosterone levels can have...

What Is Average Testosterone Level by Age?

Hormones are a complicated thing—for both men and women. During our teenage years and throughout adulthood, they can fluctuate quite...

Volume vs. Intensity for Hypertrophy

One of the most contentious arguments among bodybuilders is how best to build the body. Go figure. The reason there’s...

© 2019 - 2021 Opti-Nutra Ltd. All Rights Reserved.

7 Clarendon Place, Royal Leamington Spa, CV32 5QL, UK.

The statements on this page have not been evaluated by the Food and Drug Administration. These products are not intended to diagnose, treat, cure, or prevent disease.