Synovial fluid and plasma selenium, copper, zinc, and iron concentrations in patients with rheumatoid arthritis and osteoarthritis
The first is the health risks associated with the peptides themselves
($15) THE IMMUNE BOOSTER : Combination of B12, B6, B Complex and Vitamin C, to ward of colds and flus, support the immune system, adrenals and healthy skin and collagen
Another trial showed NAC (600 mg 2 daily) increased cellular glutathione by 35% and reduced oxidative stress markers by 25% [9]
But the fact that it is so pervasive throughout the body, including in the heart, lungs and kidneys, makes potential extensive side effects likely