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As a naturally occurring amino acid consumed in food daily, toxicity concerns are minimal

The lasting impact of a vitamin injection also depends on the patients overall health, sleep quality, diet, and hydration

If you have MTHFR mutations and previous poor response to cyanocobalamin supplements, you might prefer a formulation containing methylcobalamin instead

That does not mean AOD 9604 is worthless

For example, sugar alcohols like sorbitol or mannitol (used in some chewable or effervescent preparations) can have osmotic effects, drawing water into the intestinal lumen and potentially leading to loose stools in sensitive individuals