Yes, when used as part of a structured protocol with proper nutrition and training
Rumbold AR, Crowther CA, Haslam RR, Dekker GA, Robinson JS, ACTS Study Group
Each dose level is maintained for at least four weeks before increasing
Low levels of vitamin B12 may contribute to cognitive problems for older adults, according to a study, Vitamin B12 has long been regarded as a key element in sustaining healthy body processes
[DOI] [PubMed] [Google Scholar] 67.Reisine T., Bell G.I
Using Both Together: Potential Synergistic Benefits While each product works very well on its own, some patients and providers choose to use GHK-Cu topical alongside a tretinoin/niacinamide formulation for complementary effects