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This is a technique step, not just a cleanliness step
For deficiency without neurological involvement or for borderline levels, oral supplementation with high-dose cyanocobalamin (1000-2000 mcg daily) is often effective, as approximately 1% of an oral dose is absorbed through passive diffusion even in the absence of intrinsic factor
Nevertheless, they are safely prescribed under medical supervision for therapeutic and regenerative use through FDA-regulated U.S
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Despite what some sources claim, glutathione and Vitamin C work independently
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