can b12 injections cause black stools B1 (Thiamine), B6 (Pyridoxine), and (Cobalamin) supplements dark stools? What Does It Mean If
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Chen S, Yang X, Jiang Y, et al

Therefore, proper safety practices remain essential
Support the immune system : B12 contributes to a healthy immune system, helping the body fight infections

However, oral formulations of B12, methionine, inositol, and choline are widely available, less expensive, and equally evidence-supported for addressing documented deficiencies
While vitamin deficiency can cause hair loss, vitamin overdose can also lead to hair loss