cyanocobalamin b12 injectable (B12) Injection 1000 mcg/mL, Multiple Dose Vial 30 mL so treating deficiencies is crucial Cyanocobalamin B12: Energy & Nerve

The FDA does not approve compounded medications for safety, quality, or manufacturing

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Several drugs, including para-aminosalicylic acid, have been reported to reduce the absorption of methylcobalamin, vitamin B12

A 3-ounce serving of cooked beef liver has 70.7 micrograms of vitamin B12

These figures come from preclinical and pharmacokinetic literature, not from approved human dosing and note the standard route for this molecule is oral

The cause of B12 deficiency, vegetarian diet, pregnancy, and breastfeeding, can impact the dosage and duration of therapy