This guide breaks down the difference clearly: which peptides sit in the recovery camp, which sit in the growth camp, how a provider decides between them, whether they can be combined, and why any of this belongs in a supervised medical plan rather than a vial ordered online
Like too much B12, low MMA so far has no known health risks
If you are deficient in B12, a course of injections or high dose oral supplementation may be advised
Vitamins B1, B6 and B12 are of special importance for the metabolism in the peripheral and central nervous system
by Dr Hayley Willacy, FRCGP Further reading and references Vitamin B12 deficiency in over 16s: diagnosis and management NICE guidance (March 2024) PHE
While oral supplements are available, B12 injections offer better absorption, especially for those with gastrointestinal issues or poor nutrient absorption