[212] [213] However, it's worth noting that excessive Zn intake or exposure can impair immune function, lead to digestive issues, cause color vision deficiency decrease contrast sensitivity and eye irritation, and disrupt the balance of Cu in the body, which is essential for protecting the eyes from sunlight
One small study showed elderly patients receiving Epitalon reporting subjective vision improvements though objective measurements not included
Recommended Glutathione Dosage For visible improvements in glutathione and hyperpigmentation , dermatologists recommend consistent intake
Athletes report shortened recovery periods after high-intensity workouts or eccentric training phases
In addition to its potential on the intercellular matrix, GHK-Cu may also have antioxidant and anti-inflammatory characteristics that may protect cells from damage caused by free radicals
However, the ergogenic effects of L-carnitine may depend on the type and duration of activity