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It depends on factors like the Glutathione brand and quality, the medical facility, the expertise of the dermatologist, and the treatment protocol
The efficiency of these products are not intended to diagnose, treat, cure or prevent any disease and are not intended for medical or injectable use
Many people who supplement with glutathione notice immediate benefits to mental clarity and how they feel, but it may take longer (weeks or months) to replete glutathione levels into the optimal range, especially when deficient