The best answer to GHK-Cu vs BPC-157 is: GHK-Cu is better for skin, collagen, fibroblast activity, scar support, and cosmetic-oriented regeneration research
As these peptides are not FDA-approved and product quality varies, medical guidance, sterile technique, and attention to sourcing and legal considerations are essential to minimize risks
Importantly, DSIP does not appear to cause the hangover effects, cognitive impairment, or next-day sedation commonly seen with traditional hypnotics and sedatives like benzodiazepines or Z-drugs
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The issue is cumulative exposure over time
Beyond transient soreness, uncommon but noteworthy adverse events include nodules, infection, or allergic reactions