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International Journal of Molecular Science , 26 (3875), 117

Using BPC-157 as a standalone fix

Extensive clinical testing has verified that the topical application of GHK-Cu serums and creams successfully increases dermal thickness, reduces skin laxity, accelerates epithelialization, and minimizes fine lines and photodamage without initiating any adverse systemic toxicity

Ben Greenfield recommends stacks: "5-Amino-1MQ boosts NAD+, supports fat burning, and pairs well for longevity protocols."[35][26] From discussions, experts like those at NMN.com note: "Inhibiting NNMT with 5-amino-1MQ enhances muscle strength in aged models by boosting NAD+."[14] These insights underscore the combo's power for cellular rejuvenation, with calls for more human trials to confirm benefits

However, many women tend to have depleted biotin (vitamin B7) levels while breastfeeding, so your doctor may recommend taking one