10.2147/IJN.S213883 53 JelovacN.SikiricP.RucmanR.PetekM.MarovicA.PerovicD.et al (1999)
Storage Store below 25C, in a cool and dry place, and protect from light
There are reports that Vit B12 & 6, when taken together, caused Monomorphic Acne, many small uniform acne & acne lesions
Several studies suggest that high-dose oral supplementation (e.g., 1000 to 2000 mcg daily) can be as effective as injections for some patients, but this depends on individual health status
The individual may be the one to administer the B12 injections at home
A 2021 review in Nature Reviews Molecular Cell Biology describes a gradual drop in tissue and cellular NAD+ across aging in rodents and humans, and links that fall to metabolic disease, cognitive decline, and sarcopenia [1]