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Use bacteriostatic (not plain sterile) water for a multi-dose vial so the preservative supports the multi-draw window, and reconstitute gently down the vial wall rather than blasting the powder

Pyridoxine (B) in high doses is known to interact with certain drugs: it can reduce the therapeutic efficacy of levodopa by increasing peripheral conversion of levodopa to dopamine (vitamin B speeds up decarboxylation)

This autoimmune condition attacks the intrinsic factor, a protein your stomach makes that's required for B12 absorption

Causes of Anxiety B12 Side Effects Another common side effect or issue reported from taking B12 or B vitamins is anxiety, heart palpitations and difficulty sleeping

Feel tired and need an energy boost

HPLC identity, purity, mass spec, sterility, endotoxin