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High-dose biotin, also known as vitamin B7, can affect assays that use a biotin and streptavidin binding step, and the direction of the error depends on the assay format, with competitive designs prone to falsely high results and sandwich designs to falsely low ones
For many, these signs might lead them to wonder about their vitamin B12 levels
The FDA does not verify the safety, effectiveness, or quality of compounded drugs
Vitamin B12 injections are considered very safe with very little to no known adverse side effects and low potential for toxicity
After all, completely eliminating Methionine from a human diet would be nearly impossible (Methionine is found in meat, fish, and dairy)
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