Amazon.com: Superior Source No Shot Methylcobalamin B12 with Folic Acid Multivitamin, 60 Count : Everything Else If you're not getting enough vitamin B12 from food, a supplement can help fill the gap. Here's what experts recommend for taking it. See link below How to self inject intramuscular vitamin B12 Overview Guy's and St Thomas' NHS Foundation Trust How to self inject intramuscular vitamin B12 Overview Guy's and St Thomas' NHS Foundation Trust
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can you inject b12 into your stomach Amazon.com: Superior Source No Shot Methylcobalamin B12 with Folic Acid Multivitamin, 60 Count : Everything Else