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Best vitamin b9 folic acid supplements - April 2026

Last Updated - April 4, 2026

1
Best Choice

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

THORNE

THORNE - 5-MTHF - Methylfolate (Active B9 Folate) Supplement - Supports Cardiovascular Health, Fetal Development, Nerve Health, Methylation & Homocysteine Levels* - 60 Servings - 5-MTHF 5mg

THORNE

$68.00

More Details
Main highlights
- Trusted: Thorne is chosen by champions and trusted by 100+ professional sports teams, a proud partner of U.S. National Teams, and the #1 recommended clinical brand by health-care practitioners (2023 Health-Care Practitioner Seller Survey)
- Nerves & Circulation: Supports healthy blood vessel and nerve function*
- Healthy Methylation: Provides essential nutritional support in the form of bioactive, methylated folate (vitamin B9) to promote the body's methylation cycle*
- Cognitive Support: Supports the production of key neurotransmitters like serotonin, melatonin, dopamine, and other natural brain chemicals that regulate mood*
- 4 Rounds of Testing: Our state-of-the-art laboratories enable us to conduct 4 rounds of testing on every product, from analyzing the purity of raw materials to confirming the shelf life of finished formulas
$68.00
2
Best Value
10% Off

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

THORNE
10% Off

THORNE - 5-MTHF - Methylfolate (Active B9 Folate) Supplement - Supports Cardiovascular Health, Fetal Development, Nerve Health, Methylation & Homocysteine Levels* - 60 Servings - 5-MTHF 5mg

THORNE

$61.20

$68.00
(10% Off)

More Details
Main highlights
- Trusted: Thorne is chosen by champions and trusted by 100+ professional sports teams, a proud partner of U.S. National Teams, and the #1 recommended clinical brand by health-care practitioners (2023 Health-Care Practitioner Seller Survey)
- Nerves & Circulation: Supports healthy blood vessel and nerve function*
- Healthy Methylation: Provides essential nutritional support in the form of bioactive, methylated folate (vitamin B9) to promote the body's methylation cycle*
- Cognitive Support: Supports the production of key neurotransmitters like serotonin, melatonin, dopamine, and other natural brain chemicals that regulate mood*
- 4 Rounds of Testing: Our state-of-the-art laboratories enable us to conduct 4 rounds of testing on every product, from analyzing the purity of raw materials to confirming the shelf life of finished formulas
$61.20
$68.00 (10% Off)
3

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

THORNE

THORNE - 5-MTHF - Methylfolate (Active B9 Folate) Supplement - Supports Cardiovascular Health, Fetal Development, Nerve Health, Methylation & Homocysteine Levels* - 60 Servings - 5-MTHF 1mg

THORNE

$24.00

More Details
Main highlights
- Trusted: Thorne is chosen by champions and trusted by 100+ professional sports teams, a proud partner of U.S. National Teams, and the #1 recommended clinical brand by health-care practitioners (2023 Health-Care Practitioner Seller Survey)
- Nerves & Circulation: Supports healthy blood vessel and nerve function, and supports healthy fetal brain development during pregnancy*
- Healthy Methylation: Provides essential nutritional support in the form of bioactive, methylated folate (vitamin B9) to support the body's methylation cycle*
- Cognitive Support: Enhances the production of key neurotransmitters like serotonin, melatonin, dopamine, and other natural brain chemicals that regulate brain function and mood*
- 4 Rounds of Testing: Our state-of-the-art laboratories enable us to conduct 4 rounds of testing on every product, from analyzing the purity of raw materials to confirming the shelf life of finished formulas
$24.00
4
10% Off

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

THORNE
10% Off

THORNE - 5-MTHF - Methylfolate (Active B9 Folate) Supplement - Supports Cardiovascular Health, Fetal Development, Nerve Health, Methylation & Homocysteine Levels* - 60 Servings - 5-MTHF 1mg

THORNE

$21.60

$24.00
(10% Off)

More Details
Main highlights
- Trusted: Thorne is chosen by champions and trusted by 100+ professional sports teams, a proud partner of U.S. National Teams, and the #1 recommended clinical brand by health-care practitioners (2023 Health-Care Practitioner Seller Survey)
- Nerves & Circulation: Supports healthy blood vessel and nerve function, and supports healthy fetal brain development during pregnancy*
- Healthy Methylation: Provides essential nutritional support in the form of bioactive, methylated folate (vitamin B9) to support the body's methylation cycle*
- Cognitive Support: Enhances the production of key neurotransmitters like serotonin, melatonin, dopamine, and other natural brain chemicals that regulate brain function and mood*
- 4 Rounds of Testing: Our state-of-the-art laboratories enable us to conduct 4 rounds of testing on every product, from analyzing the purity of raw materials to confirming the shelf life of finished formulas
$21.60
$24.00 (10% Off)
5

✖
Our rankings are cleverly generated from the algorithmic analysis of thousands of customer reviews about products, brands, merchant’s customer service level, popularity, trends and more. The rankings reflect our opinion and should be a good starting point for shopping.

Herb-Science

Herb-Science Liquid Vitamin B9 Folic Acid Supplements - VIT B Drops for Brain & Digestive Function, Liver Support - Gluten-Free, Non-GMO, Vegan - Nutritional Supplement for Adults - 1 fl. oz.

Herb-Science

$21.95

More Details
Main highlights
- ONLY NATURAL GOODNESS - Give your body only what it needs. This Vitamin B9-Folic Acid supplement is vegan friendly, non-alcoholic and quality tested.
- LIVER CARE - Folate deficiency is bad for the liver. Folic vitamins boost the regeneration of cells as well as DNA synthesis or repair which translates to metabolic benefits, especially in the liver.
- GOOD FOR YOUR GUT - B vitamins like folic acid play a vital role in stimulating digestive acids. Let our liquid folic acid vitamins help facilitate proper digestion and boost overall wellness.
- FORMULATED WITH NO FILLERS - We leave out the fluff and keep only the good stuff. This folic acid vitamin supplement is non-GMO.
- BOOST BRAIN FUNCTION - Studies suggest that optimal folic acid levels helps keep brain function in check. This liquid folic acid supplement can be your ally in steering clear of cognitive decline.
$21.95

Best vitamin b9 folic acid supplements - April 2026

THORNE - 5-MTHF - Methylfolate (Active B9 Folate) Supplement - Supports Cardiovascular Health, Fetal Development, Nerve Health, Methylation & Homocysteine Levels* - 60 Servings - 5-MTHF 5mg

THORNE - 5-MTHF - Methylfolate (Active B9 Folate) Supplement - Supports Cardiovascular Health, Fetal Development, Nerve Health, Methylation & Homocysteine Levels* - 60 Servings - 5-MTHF 5mg

THORNE - 5-MTHF - Methylfolate (Active B9 Folate) Supplement - Supports Cardiovascular Health, Fetal Development, Nerve Health, Methylation & Homocysteine Levels* - 60 Servings - 5-MTHF 1mg

THORNE - 5-MTHF - Methylfolate (Active B9 Folate) Supplement - Supports Cardiovascular Health, Fetal Development, Nerve Health, Methylation & Homocysteine Levels* - 60 Servings - 5-MTHF 1mg

Herb-Science Liquid Vitamin B9 Folic Acid Supplements - VIT B Drops for Brain & Digestive Function, Liver Support - Gluten-Free, Non-GMO, Vegan - Nutritional Supplement for Adults - 1 fl. oz.

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