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It's important to understand the research behind each peptide if you're selecting between AHK-Cu and GHK-Cu so you can make an informed decision

Methylcobalamin is a source of vitamin B12 that is highly absorbable

, Meharry Medical College 40+ years of clinical experience Dr

However, the enzyme NNMT disrupts this process

The National Institute for Health and Care Excellence (NICE) notes that the prevalence of Vitamin B12 deficiency is approximately 6% in those under 60 years old, rising to 20% in the over 60s
