B12 is notoriously hard to absorb through the gut, especially as you get older or if you have certain digestive issues
Breast feeding recommendation: compatible
Kang HJ, Kawasawa YI, Cheng F, Zhu Y, Xu X, Li M, et al
The views of researchers and knowledgeable medical professionals support the use of GHK-Cu peptides for a wide range of health concerns, although users should be aware that one route of administration may be better suited than the other for certain outcomes
Wellness 14 July 2025 8 min read Injecting B12 into fat: the 4 body areas that work best By Alaiyka Parvez Owner, CoLaz Aesthetics Clinic The short version Injecting B12 into fat means placing it in the subcutaneous layer, the soft fatty tissue between your skin and muscle, rather than deep into a muscle