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The efficiency of the new protocol was validated by comparing GPx activity in matched samples using the BlandAltman plot analysis and reference methods
Glutathione focuses on protecting and brightening, while collagen focuses on strengthening and repairing
High-dose use While trials have tested up to 1200mg/day (even as high as 2400mg/day) and illustrated safety, some report higher rates of gastrointestinal side effects, dizziness, and skin reactions at these levels.14 28 38 Additionally, these higher doses are often short-term (35 weeks) and used under clinical supervision
Important caveat: injectable and IV NAD+ are not FDA-approved (nor approved by any major regulator) for energy, metabolic or longevity uses, and their safety and efficacy for these marketed uses are not established
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