what if i miss a b12 injection Vitamin Dosages: Your GoodRx Guide Instructions for B12 Injection |

Pre-filled Syringes/Ampules: Convenient dosing for clinic or home use (as prescribed)

Some patients report mild nausea or fatigue at the beginning, but side effects are generally minimal

Summary: Excessive vitamin B12 intake rarely causes toxicity, but very high levels from supplements or injections may be associated with skin reactions such as acne-like eruptions, though serious adverse effects remain exceptionally uncommon

Other differences include the ingredients used in the formulation and dosing flexibility

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Retrieved 20 February 2020