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Glutathionylcobalamin as an intermediate in the formation of cobalamin coenzymes
The absence of FDA approval means no verified manufacturing standards, dosing protocols, or safety benchmarks exist for human use
Severe allergic reactions, including anaphylaxis, have also been reported and require immediate medical attention
These are research conventions, not clinical guidance, and are provided for research use only
Neurological issues like neuropathy may take longer, up to 3-6 months (Carmel, 2008)
Oral supplements, on the other hand, require ingestion and absorption through the digestive system
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