Why you need both for MTHFR: Taking only methylfolate without B12: May improve methylation initially Can deplete B12 stores over time May not fully lower homocysteine Neurological symptoms may persist Taking only B12 without methylfolate: Wont bypass MTHFR enzyme bottleneck Methylation remains impaired Homocysteine may stay elevated Less effective for MTHFR mutations Taking both together: Synergistic effect on methylation More effective homocysteine reduction Better symptom improvement Supports complete methylation cycle Other B vitamins that support the partnership: B6 (as P5P): Cofactor for homocysteine conversion to cysteine Supports transsulfuration pathway Helps prevent homocysteine buildup B2 (riboflavin): Required for MTHFR enzyme function Particularly important for C677T homozygous mutations Can improve MTHFR enzyme efficiency by up to 50% Choline or TMG (betaine): Alternative methylation pathway Provides methyl groups independently of folate Helpful backup when folate pathway is impaired Food sources to support both: B12-rich foods: Meat, fish, eggs, dairy Shellfish (especially clams, oysters) Liver and organ meats Fortified plant milks (for vegans) Folate-rich foods: Dark leafy greens (spinach, kale) Asparagus, Brussels sprouts, broccoli Legumes (lentils, chickpeas, black beans) Avocado Avoid synthetic folic acid (fortified breads, cereals) Signs youre taking the right amounts: Homocysteine normalizing (below 10 mol/L, ideally 6-9) Energy improving Brain fog clearing Mood stabilizing Sleep improving No adverse reactions MTHFR B Vitamin Checklist Use this quick reference guide to ensure youre supporting your MTHFR mutation with the right B vitamins in the optimal forms and doses
N Engl J Med
Our team of medical doctors administer vitamin D shots with proper care
Laboratory factors Different assay methods and reference ranges can affect how results appear
The role of Vitamin B12 in the critically illa review
They are intended to complement a low-calorie diet and exercise as part of a weight loss or weight management plan
