THORNE 5-MTHF Active Methylfolate 1 mg, 60 Capsules for Methylation Support

THORNE 5-MTHF is a vitamin B9 supplement designed to support healthy methylation, with 1 mg of active methylfolate in a 60-capsule bottle.

• Bioactive, methylated folate — provides nutritional support for the body’s methylation cycle.
• 1 mg and 60 capsules — gives you a defined amount and bottle count.
• Cognitive support — formulated to support production of key neurotransmitters.
• Nerve, blood vessel, and fetal brain support — supports these functions, including healthy fetal brain development during pregnancy.
• Four rounds of testing — checks products from raw-material purity through finished-formula shelf life.
• Professional and clinical recognition — trusted by 100+ professional sports teams and ranked the #1 most recommended clinical brand in a 2026 independent US survey.

THORNE 5-MTHF is made for shoppers seeking vitamin B9 in a bioactive, methylated form as part of their nutritional support routine. Its stated areas of support include methylation, cognitive function, nerves, circulation, and fetal brain development during pregnancy. The format is straightforward: a bottle containing 60 capsules, with 1 mg of 5-MTHF.

What does THORNE 5-MTHF support?

THORNE 5-MTHF supplies methylated folate to support the body’s methylation cycle and is formulated to support production of neurotransmitters involved in brain function and mood. The product identifies serotonin, melatonin, and dopamine among these natural brain chemicals. These are nutritional support claims, not a promise of a particular result.

• Vitamin B9 is the vitamin supplied by the formula.
• Serotonin, melatonin, and dopamine are the specifically named neurotransmitters.

How does it support nerves and circulation?

THORNE 5-MTHF is formulated to support healthy blood vessel and nerve function. It also supports healthy fetal brain development during pregnancy, making these functions part of the product’s stated scope.

• Supports healthy blood vessel function.
• Supports healthy nerve function and fetal brain development during pregnancy.

How is THORNE 5-MTHF tested?

THORNE conducts four rounds of testing on every product in its laboratories, beginning with analysis of raw-material purity and extending to confirmation of finished-formula shelf life. The brand is trusted by more than 100 professional sports teams. Its #1 most-recommended clinical brand ranking is based on a 2026 independent survey of US supplement consumers and health-care practitioners.

• Testing covers both incoming raw materials and the finished formula.
• The recognition claim draws on a survey of consumers and health-care practitioners in the United States.

THORNE 5-MTHF suits shoppers looking for a defined 1 mg, 60-capsule source of methylated vitamin B9 for the product’s stated methylation, cognitive, nerve, and circulation support. It also includes support for healthy fetal brain development during pregnancy. Its active methylfolate format and documented four-round testing process are concrete features of this supplement.

Ingredients

One Capsule Contains: Folate (1 mg as L-5-Methyltetrahydrofolate) 1.7 mg DFE. Other Ingredients: Microcrystalline Cellulose, Hypromellose (derived from cellulose) capsule, Leucine, Silicon Dioxide.