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ghk cu epithalon mix GHK-CU + Blend (50mg/10mg) – Pro Peptides GHK-Cu: Effective Anti-Aging Skincare Ingredient
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Retrieved 2011-08-29.

Lab tests that can help include serum copper, ceruloplasmin, and zinc:copper ratios

doi: 10.4161/15384047.2014.964087 135 AnastassiadisTDeaconSWDevarajanKMaHPetersonJR
The FDA has classified BPC-157 in Category 2 for bulk drug substances, citing possible safety issues in compounding, such as immunogenicity, impurities, and insufficient safety evidence for suggested administration routes
