Vitamins & Nutritional Supplements

5-MTHF 100ml | High Strength Folic Acid as 5-Methyltetrahydrofolate Vitamin B9 Liquid Drops 1000mcg | Methylfolate Made in UK & Vegan Friendly | Over 4 Months Supply. BIOACTIVE FORM OF FOLIC ACID. Unlike standard folic acid, 5-MTHF is the active, methylated form of Vitamin B9, ready for immediate use by the body. This is particularly beneficial for those with a genetic enzyme deficiency, who may struggle to... 5-MTHF 100ml | High Strength Folic Acid as 5-Methyltetrahydrofolate Vitamin B9 Liquid Drops 1000mcg | Methylfolate Made in UK & Vegan Friendly | Over 4 Months Supply.