For example, those with more severe deficiencies or certain health issues might need different doses
Your doctor may recommend reducing or stopping B12 supplementation, then retesting in 4 to 8 weeks
Gentle Cosmetic Care: Formulated for cosmetic use, this scalp & hair serum is fragrance-free, paraben-free, dye-free, and vegan-friendly
Choose methylcobalamin if: You have confirmed MTHFR mutations Elevated homocysteine levels Neurological or mood symptoms You tolerate methylated supplements well Choose hydroxocobalamin if: Sensitive to methyl-B12 (anxiety, insomnia) Histamine intolerance or MCAS Need gentle, balanced B12 support Want detoxification benefits Choose adenosylcobalamin if: Chronic fatigue is your primary concern Mitochondrial dysfunction Want to combine with methyl-B12 for comprehensive support Consider combination formulas: Many practitioners recommend combining forms: Methyl-B12 + Adeno-B12 (methylation + energy) Hydroxy-B12 + Adeno-B12 (gentle + energy) All three forms for comprehensive support The bottom line: For MTHFR mutations, methylcobalamin is typically most effective for supporting methylation and lowering homocysteine
AHK-Cu typically comes in a 50 mg vial
B12 injections have very few interactions with medications