Skip to main content

Up to 15% off products when you checkout or sign up


  • Gluten free

  • Soy free

  • Non-GMO

  • Vegetarian

Quatrefolic® from Gnosis is a new generation of folic acid. It represents a breakthrough in folate supplementation with regard to an active, stable, and highly bioavailable form when compared to folic acid and the methyl derivative folate. Quatrefolic® provides folate in the (6S)-5-methyltetrahydrofolate form which is easily utilized and stored in the body. Quatrefolic® uses a glucosamine salt which has been proven in both human animal studies to have greater bioavailability over calcium salt versions.

Quatrefolic® is a registered trademark of Gnosis S.p.A. U.S. Patent No. 7, 947, 662


As a dietary supplement, take 1 capsule daily, or as directed by your healthcare practitioner.


Serving Size: 1 Vegetarian Capsule

Amount Per Serving
Folate ... 1, 000mcg
(as [6S]-5-methyltetrahydrofolic acid from 2, 000 mcg of Quatrefolic® [6S]-5-methyltetrahydrofolic acid, glucosamine salt)

Other Ingredients: microcrystalline cellulose, vegetable cellulose (capsule), vegetarian leucine.

Quatrefolic® is a registered trademark of Gnosis S.p.A. U.S. Patent No. 7, 947, 662


WARNING: If pregnant or nursing, consult your healthcare practitioner before taking this product.

Keep out of reach of children. Store in a cool, dry place.

Color of this product may vary due to color variations of the natural ingredients.

5-MTHF 1mg

DaVinci Labs

$28.99

Sign up for exclusive store pricing

Shop the entire wellness catalog, held to a higher standard

Shop practitioner-grade products, each meeting the same bar for quality through Fullscript's standards.

Powered by
Sign up to shop
  • Verified

    Sourced straight from the brand — no resellers or fakes

  • Enhanced testing

    Select products are tested in-house — get exactly what the label promises

  • Stored and shipped

    From certified facilities, to protect product integrity