gastric sleeve and b12 injections Many teens have low iron, levels years after bariatric surgery Understanding Vitamin B12 Deficiencies After
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More testing is needed

Vitamin B12 can cause dermatitis, acne, and other skin-related conditions when taken in excess, according to a review in the American Journal of Clinical Dermatology

[PubMed] [Google Scholar] 33.Li M, Cheung BM
This can lead to B12 deficiency, which can cause symptoms such as fatigue, weakness, and difficulty concentrating

The B vitamins serve our bodies by helping to maintain healthy blood cells, participating in the production of energy, and to preserve nerve functions
