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However, functional deficiency can exist at levels up to 350 pg/mL, particularly when methylmalonic acid is also elevated
Higher-Caution Situations Extra medical supervision is important if you: have a history of reactions to injectable vitamins/cobalamins have significant kidney or liver disease are pregnant or breastfeeding are offered a compounded MIC B12 product without clear labeling of ingredients, concentrations, and compounding source The FDAs overview of compounding helps explain why quality can vary (see Compounding and the FDA: Questions and Answers )
Substantially larger published research base over 100 published studies spanning five decades
Other types need to be kept at room temperature
Takeaways Methylene blue is a blue liquid solution thats FDA-approved to treat a rare blood problem called methemoglobinemia, where red blood cells cant carry oxygen the right way
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