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Attan, C
However, caution is warranted here
Do I need blood tests before a vitamin B12 injection
When your urine is bright yellow, you are likely getting more than enough and could back off a bit
"Methylcobalamin is the naturally occuring form found in foods, while cyanocobalamin in the synthetic form found in most supplements." Agyeman further explains that cyanocobalamin is commonly found in supplements and food, and the body changes it into active forms
Regardless, most research applications utilize the injected version, and this is also the form that is most often used in both research and clinical settings
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