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BPC-157 + GHK-Cu: Pairing BPC-157s deep-tissue regeneration with GHK-Cus collagen synthesis can enhance both functional and cosmetic healing
Dopamine-Serotonin System Interactions (Sikiri et al., 2010) Extended research confirmed BPC-157 affects dopamine, serotonin, and their metabolites across multiple brain regions including the striatum, nucleus accumbens, and prefrontal cortex
Medical supervision remains advisable for extended protocols
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