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youtube b12 injections Vitamin C and Injection Techniques How to self-inject intramuscular vitamin
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This will help you burn calories for weight loss and also improve your overall health (18)

[DOI] [PubMed] [Google Scholar] 218.Yamauchi T, Hara K, Kubota N, et al

Do not self-administer without professional training

The suggested oral vitamin B 12 dose is 1 mg daily for a month, and then maintenance dose of 125 to 250 g for patients with dietary insufficiency and 1 mg daily for those with pernicious anaemia
