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This sterile, nonpyrogenic solution contains 0.9% benzyl alcohol , helping inhibit bacterial growth and maintain sample integrity during use
While L-cysteine plays important metabolic roles as a key antioxidant, a glutathione precursor, and a natural source of sulfur for metabolism, it is unstable and can become degraded during absorption
While some people naturally have darker lips, others may experience pigmentation due to various factors like sun exposure, smoking, dehydration, or lifestyle habits
Its a medical treatment for a diagnosed deficiency, not a general wellness boost
Allows accurate dosing
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