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glutathione intein cleavage Frontiers Expression of intein‐tagged fusion protein
Description
Vitamin C is essential for collagen synthesis and works synergistically with both collagen and glutathione

It's not a substitute for daily broad-spectrum SPF nothing is but it works powerfully alongside sun protection as a restorative agent for the damage already done and a preventive agent against future deterioration

Molecules 21:E1243

doi: 10.1016/j.psj.2022.101742

Cell 148(6):12581270 Clements KD (1997) Fermentation and gastrointestinal microorganisms in fishes

The dose starts low to let the gut adjust, then steps up every 4 weeks
