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b12 injections and covid vaccine vitamin injection is b12 injection good Boosting Your Energy with Vitamin B12 How Often Should I Get
Description
Some drugs (including colchicine and metformin), as well as vitamins like vitamin C and folic acid, can reduce the levels of vitamin B12 in your body or affect the absorption of it

When injected, B12 is more easily absorbed as it bypasses your gut and instead enters the bloodstream directly

However, it exhibits low cell membrane permeability and demonstrates substantial toxicity in animal models, thereby constraining its potential application as a therapeutic agent (Zweygarth et al., 1986)

Applying a cold compress and avoiding rubbing the area can provide relief
