specific study formulations fall outside the scope of this discussion
This enrolled 390 people with type 2 diabetes, all on insulin, and randomised them to metformin 850 mg three times daily or placebo, with a follow-up of just over 4 years (de Jager et al, 2010)
The Bottom Line Theres a clear association between lower B12 levels and a higher body-weight
Conditions such as Crohns, coeliac disease or previous gut surgery, and the autoimmune cause behind pernicious anaemia, all affect how well you retain B12
What Clinical Research Actually Exists in Humans This is the heart of the matter, and honesty requires being blunt: there is no robust, well-powered, independently replicated randomized controlled trial demonstrating that GHK-Cu monotherapy regrows hair in humans with androgenetic alopecia