It can be sold as a research chemical labelled for research purposes only / not for human consumption. This is a legal grey area rather than a clear permission
In either event, the fact remains: Vitamin B12 is a serious deficiency that can lead to multiple negative side effects
doi: 10.3390/ijms20184559 Summary Keywords thiamine, riboflavin, niacin, pyridoxine, folate, cobalamin, complex B vitamins, neuropsychiatric manifestations Citation Han A, Almeida L, Anand N, Salloum IM, Kanaan S, Gadad BS and Daher JPL (2025) Exploring neuropsychiatric manifestations of vitamin B complex deficiencies
Hess B, Jost C, Zipperle L, Takkinen R, Jaeger P
Its nothing short of a scandal how so many patients with severe B12 deficiency are being refused repeat prescriptions for B12 shots
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