vitamin b12 injection dosage bodybuilding B12 Injections at Olympia B12 Injection Dosage and Frequency:

2025 Mar 07;30(6):1190

Refrigeration slows oxidation but doesn't stop it

Nevertheless, faeces in general tend to be a rich source of B12 that we certainly do not recommend but its a source of B12 for many animals and may explain why in predominantly vegetarian populations in areas lacking sanitation, poor people tend to have a better B12 status than the urban middle class (Sobczyska-Malefora et al., 2021)

for instance, there are no reports of NAD+ altering the metabolism of prescription medications or diminishing their efficacy

Importantly, functional B12 deficiency can sometimes coexist with high total B12 levels, especially in kidney disease, and may require additional testing with methylmalonic acid (MMA) or holotranscobalamin if deficiency is suspected clinically