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The production of red blood cells reduces if vitamin B-12 levels are too low
Other ingredients listed on the label are vegetable cellulose for the capsule shell, microcrystalline cellulose, stearic acid, and silica
The Schilling test distinguished PA from other forms of B 12 deficiency, [50] specifically, from ImerslundGrsbeck syndrome, a B 12 -deficiency caused by mutations in CUBN that codes for cubilin the cobalamin receptor
In simple terms: Capsules: easier, gut-focused, less direct systemic exposure Injections: more direct, stronger systemic exposure, more care required This does not mean one form is always better
So supplementing with NAD or one of its precursors (NAD+, NADH, NR, NMN) can boost your stores and protect you from DNA damage