Safety Facts and Side Effects About L-Cystine
L-Cystine E921 Side Effects
L-Cystine E921 is marketed in nutritional supplements as an anti-oxidant and immune system booster, and has been reported to improve muscle recovery following vigorous exercise and soft tissue recovery following injury or surgery. Though L-Cystine E921 is considered safe, some are convinced it has potentially dangerous health effects.
What Is L-Cystine