Bio-Active Folate for Brain Support - Folate is essential for methylation and healthy homocysteine pathways. L-5-MTHF provides folate in the bioidentical, bioactive form 5-methyltetrahydrofolate and offers brain and energy support.* Methylated Folate, Not Folic Acid - Some individuals cannot optimally process standard folic acid. L-f-MTHF uses patented Quatrefolic methylfolate (5-MTHF), which has demonstrated high bioavailability, solubility and long-lasting stability. Support Methylation, Cardiovascular + Nervous System Health - The body requires 5-MTHF for the methylation cycle to work efficiently. When this cycle is working optimally, it supports normal cardiovascular, neurological, detoxification, and reproductive activities.* 1mg Per Capsule - Each capsule contains 1mg (1000mcg) of 5-methyltetrahydrofolate from 1700mcg DFE (Dietary Folate Equivalent). Organic spinach powder gives the 5 MTHF supplement its green color.* Clinically-Trusted Care - DFH is the #1 practitioner supplement brand recommended by functional medicine professionals and the #1 practitioner supplement brand personally trusted by functional medicine professionals.**