- Messages
- 3,615
- Reaction score
- 1,623
- Points
- 113

Current data indicate that people who are engaged in exercise increase the risk of developing exercise-induced deficiencies of this nutrient. Because it’s involved in the action of several hormones, up to and including insulin, growth hormone, testosterone and estrogen, trainees should give very strong consideration to supplementing with it.
Recently, Turkish researchers investigating exhaustion exercise and its effects on thyroid hormones and testosterone in elite athletes found that after four weeks of zinc supplementation—three milligrams per kilogram of bodyweight a day—free testosterone was much higher than before zinc supplementation. The researchers concluded that taking zinc benefits performance.