injecting b12 into stomach Shots vs. IV Infusions: What is the difference? How to self-inject intramuscular vitamin

Storage and Handling Store unopened vials at room temperature (15-30C), protected from light

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When Sterile Water Is the Better Choice There are specific situations where sterile water is not just acceptable but preferable

When you take Vitamin B12 through an intramuscular injection, you can process 100% of that vitamin, whereas with an oral supplement, usually only about 50-70% of the vitamin is able to be processed and metabolized

This makes it a more targeted and potentially safer option for individuals seeking to lose fat

For context (weekly totals): IM up to 3/week: 50 mg 3 = 150 mg/week