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Trends in Endocrinology & Metabolism, 2017

Cochrane Database Syst Rev 2018

Bioactive B Complex Vitamins For Superior Absorption - This very powerful B-complex supplies most of the B vitamins in their coenzymated or methylated vitamin B form, meaning they are more readily available for the body to use than non-coenzymated forms.* Methylated B12 Form - Includes a Quatrefolic folate supplement, which has demonstrated high bioavailability, solubility, and long-lasting stability

If you do need replacement, your clinician will help choose the right route and schedule

The more times you puncture a vial, the higher the cumulative risk