Routine checkups typically dont test for it, and many symptoms associated with MTHFR mutations are misunderstood or misdiagnosed
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StatPearls [Internet], 2024 Jan Avinoam Shiran, Eric Remer, Ihab Asmer, Basheer Karkabi, Eran Zittan, Aliza Cassel, Mira Barak, Orit Rozenberg, Khaled Karkabi, Moshe Y Flugelman
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Vitamin B12 5,000 mcg Methylcobalamin Highly Bioavailable Form of Vitamin B12 in a Berry-Flavored Lozenge for Healthy B12 Status, Neurological Function, Cellular Energy Metabolism, Cellular Repair, Detoxification Pathways, Cognition, Mood, Methylation, and Homocysteine Metabolism* Key Performance Benefits Supports healthy vitamin B12 status* Promotes neurological function* Supports healthy cellular energy metabolism* Helps support optimal cellular function* Promotes healthy detoxification pathways* Supports healthy cognition and mood* Supports healthy methylation and homocysteine metabolism* What This Product Is Vitamin B12, also known as cobalamin, is a water-soluble micronutrient essential for normal cellular repair and function, cellular energy metabolism, and neurological function