Though allergies to cobalt are rarely dangerous, taking any form of B12 supplement, whether by injection, tablet, or topically applied gel, may result in an uncomfortable, itchy rash
GHK-Cu is the ingredient contained within the topical copper peptides that have been available in beauty clinics for forty years, the main caveat being that topical GHK-Cu must successfully penetrate the stratum corneum to access the dermis
We always stress the importance of following a healthy lifestyle in order to maintain a stable weight following treatment
A deficiency in vitamin B12 can show up in ways that are easy to dismiss as just stress or a busy schedule
But...worth trying because they do work for some people (gambit62 has good effect from B12 nasal drops)
Concurrent and retrospective reviews