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Vitamin B12 Injection 2000mcg 10ml Vial _ BUY 3 SKU $14.84ea vial BUY 3 SPECIAL - SAVE $4.98 *Order Qty

PubMed 22962027 TB-4 Phase 1 human safety first-in-human randomized, double-blind, single- and multiple-dose Phase 1 of recombinant human thymosin 4 in healthy volunteers, no serious adverse events: PubMed 34346165

The recommended daily intake (RDI) of vitamin B12 is 6 micrograms per day

"Biochemical indicators of B vitamin status in the US population after folic acid fortification: results from the National Health and Nutrition Examination Survey 19992000"

Dietary Habits: Vegetarians, vegans, and individuals with restrictive diets may need regular B12 injections to maintain optimal levels