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can you drink alcohol with b12 injections for Hangover: The Best Way To Take Vitamin B12 B12 Shot | The IV
Description
For most people with a vitamin B12 deficiency, oral supplements are an effective way to bring your levels up to normal, says Foxx, and research backs this up (2)

Endocrinology 148 (10), 46584666

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Other nutrient deficiencies impede cofactors
