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high vitamin b12 levels after injection Do I still need injections with elevated levels? Vitamin B12 Test: High Blood
Description
Recent B12 supplementation, even over-the-counter preparations, can artificially elevate serum levels and mask deficiency

BMJ 315 (7109), 629634

Its a game-changer for your metabolic health
Methylmalonic acid (MMA) : Elevated levels indicate functional B12 deficiency [*]
