what is ghk-cu used for Dosage and Protocol: A Medical Provider's Guide to the 30-Day Cycle The GHK-Cu Peptide: Benefits, Uses,
Description
Extracellular compartment = 1/3

Sources: Vitamin B12 - Health Professional Fact Sheet | NIH Vitamin B12 Deficiency | The New England Journal of Medicine Neurological Aspects of Folate and Vitamin B12 Metabolism | ScienceDirect

Exosome therapy generally costs more, while stem cell therapy is usually the most expensive due to harvesting and processing

My book "Don't B12 Deficient" walks through it
