are b12 injections better than supplements

Bacteriostatic Water for Injection USP 30 mL Canada Medical Ltd. https://bsbcompounds.com/cdn/shop/files/IMG-0409.png?v=1787254424&width=3840 Type_Injectable The kidneys The kidneys are the main route by which surplus B12 leaves the body Size:1000 mcg/ml - 30 ml x 5

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