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A: GHK-Cu plasma levels decline ~60% between ages 20-60

doi: 10.4161/cc.6.21.4842

The two compounds are paired in this blend because their mechanisms are mechanistically complementary BPC-157 modulates nitric oxide signaling and growth factor expression to support gastrointestinal, vascular, and connective-tissue healing, while TB-500 sequesters G-actin to drive cell migration, angiogenesis, and post-injury tissue remodeling

Vitamin B12 is an essential co-factor in intracellular enzyme activities involved in DNA synthesis and fatty acid and amino acid metabolism

Vitamin C is one of the most well-supported companions to glutathione

This feedback loop creates a cascade further depleting GSH levels and increasing GSSG