b12 subcutaneous vs intramuscular injection Optimal Sites for Maximum Absorption and Benefits Subcutaneous vs intramuscular 💉what’s the

Piazzolla et al

It goes straight into your muscle, your body takes up nearly all of it, and levels rise faster and stay higher than oral dosing

Some sources recommend refrigeration, while others suggest room temperature storage is adequate for reasonable periods

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Refrigeration can be beneficial for short-term storage, while freezing is recommended for long-term preservation to prevent degradation

Because vitamin B 12 in supplements is not bound to protein, and because intrinsic factor (IF) is still available, the absorption of supplemental vitamin B 12 is not reduced as it is in pernicious anemia