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A B12 shot is a quick intramuscular injection of vitamin B12 (cobalamin) that bypasses the stomach acid, liver metabolism, and intestinal absorption issues that limit oral B12 to roughly 1% bioavailability in most adults
The 28-day rule applies from first puncture regardless of how much water is left
For pain-free and safe injections, we recommend using our insulin needles and bacteriostatic water
Continuous dosing past the 20 day window blunts that signal
The entire process is designed to be quick, comfortable, and simple, especially when youre in a relaxing environment like a med spa
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