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As well, some people may have allergies or medical conditions that do not allow them to be a good candidate to receive vitamin B12 shots, such as kidney problems, low potassium levels, deficiencies in other vitamins such as iron or folic acid, or just an allergy or sensitivity to vitamin B12 itself

B12 doses ranging from 500-1000 mcg, with methionine, inositol, and choline ratios adjusted per formula

For more details, our article on whether peptides show up on drug tests covers the testing landscape comprehensively

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