Many researchers believe that aging is actually caused by free radical damage and that depleted glutathione levels might be responsible for oxidative damage to our DNA. Levels tend to drop after age 45, a correlation that might explain the cellular damage we can blame for making us feel older
Supplement form and bioavailability matter more than people realize," Ghiyam says
Blood levels of homocysteine tend to be highest in people who eat a lot of animal protein and few fruits and leafy vegetables
In a double-blind, placebo-controlled study involving infertile men, researchers found that a daily 600mg dose of NAC improved several semen parameters, including sperm motility, while also improving markers related to oxidative stress and reproductive hormones.23 That's particularly noteworthy because Doctor's Best provides the same 600mg dose used in that study
Remember to keep the vial tightly sealed and stored upright to prevent contamination and leakage
However, it is always advisable to consult your doctor before starting any new supplement particularly if you are pregnant, nursing, on medication, or managing a medical condition