injectable vitamin b12 Compounded Cyanocobalamin (Vitamin B12) Injection lethargy and skin or coat abnormalities Vitamin B-12 Injection- 1000Mcg/Ml- 500Ml

PMC 3441227

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This makes it difficult for children to have social awareness and to make responsible decisions

Small intestine conditions such as celiac disease, Crohns disease, parasite or bacterial growth

This usually happens only in people who had very low vitamin B12 levels before starting B12 supplementation and who are receiving higher-dose treatment, such as injections, rather than daily supplements

According to the NIH Office of Dietary Supplements, absorption issuesnot intake aloneare a leading cause of low B12 levels