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A: Research-grade GHK-CU should be at least 98% pure, confirmed by HPLC (High-Performance Liquid Chromatography) analysis
High dose vitamin C is generally synergistic with glutathione (vitamin C actually recycles oxidized glutathione back to its active form), but mega doses above 2,000 mg taken at the same moment as oral glutathione can compete for absorption in the gut
POP STAR 42.00 This is our B12 shot topped with glutathione*
Many glutathione supplements use L-glutathione
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