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These compounds have fundamentally different marketing claims than their actual molecular relationship warrants, and neither has an established evidence base from human clinical trials
This clinical study shows that oral GSH has lower bioavailability due to breakdown in the gut, compromising blood levels and antioxidant support.
That is one of the most important things to understand
If we're treating your hair with prescription protocols but your B12 is low, we're working with one hand tied behind our back
Nutrients 6, 2552-2571 (2014)
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