oral ghk-cu clinical trial human Copper Peptides: 50 Years of Research, Explained Copper Peptide Before and After:

In their announcement about the retatrutide study, Eli Lilly medical experts said that about 11% of study volunteers who received the highest dose of the drug stopped taking it and dropped out of the study due to unpleasant side effects

Cyanocobalamin (the synthetic form commonly found in supplements) and hydroxocobalamin (often used in injections in the UK) are both converted to active forms in the body

That idea is broscience

Since many of my patients have MTHFR mutations ( gene mutations that make it more difficult for the body to convert cyanocobalamin into an active form of B12 ), I prefer to avoid this type of B12 supplementation