Best Capsules Vitamin B9 (Folic Acid) Supplements of 2026

Name: L Methyl Folate 15mg plus Methyl B12 Cofactor
Brand: Triquetra Health

Elisa Drew

Last Updated: Jan 10, 2026

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Capsules Vitamin B9, also known as Folic Acid, are essential supplements for promoting overall health and wellness. They are particularly beneficial for pregnant women, as they can help prevent birth defects in the baby's brain and spine. Additionally, Folic Acid supplements can help improve the health of red blood cells and support a healthy immune system. These capsules are easy to take and are suitable for individuals of all ages. They are a great addition to any daily supplement regimen and can help support a healthy and active lifestyle.

At a Glance: Our Top Picks

#TOP 1

L Methyl Folate 15mg plus Methyl B12 Cofactor

9.9

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#TOP 2

Nutricost Folic Acid Capsules

9.8

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#TOP 3

Opti-Folate L-Methylfolate 15mg

9.6

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Top 10 Capsules Vitamin B9 (Folic Acid) Supplements

#TOP 1

L Methyl Folate 15mg plus Methyl B12 Cofactor

Triquetra Health
5-MTHF

L Methyl Folate 15mg Plus Methyl B12 Cofactor – High Potency, Active 5-MTHF Form - Supports Mood, Methylation, Cognition – Bioactive Forms of Vitamin B9 & B12 (60 Capsules – 60 Servings)

The L Methyl Folate 15mg plus Methyl B12 Cofactor supplement provides a professional strength dose of 15mg L Methyl folate in the active 5-MTHF calcium salt form, which supports mood, homocysteine methylation, cognition, and neurotransmitter production involved in concentration, sleep, energy, hormones & mood. It also supports heart health and nerve function by maintaining healthy homocysteine levels and nitric oxide production.

9.9

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What We Like

Provides clinically validated dosage of 15mg L Methyl folate in the 5-MTHF calcium salt form
Methylcobalamin B12 and Methylfolate have co-dependent relationships
Methylfolate is the most metabolically active and bloodstream-ready form of Folate or Folic Acid
Supports neurotransmitter production involved in concentration, sleep, energy, hormones & mood
Supports heart health and nerve function by maintaining healthy homocysteine levels and nitric oxide production

#TOP 2

Nutricost Folic Acid Capsules

Nutricost
ZL08081

Nutricost Folic Acid (Vitamin B9) 1000 mcg, 240 Capsules

If you're looking for a high-quality Folic Acid supplement, Nutricost Folic Acid Capsules are an excellent choice. With 240 capsules per bottle, you'll have a long-lasting supply of this essential vitamin. Each capsule contains 1000mcg of Folic Acid, providing an optimal dose for your daily needs. Nutricost uses only the highest quality Folic Acid, and this supplement is Non-GMO, Soy Free, and Gluten Free, making it a great option for those with dietary restrictions. Additionally, Nutricost Folic Acid Capsules are made in a GMP compliant, FDA registered facility, ensuring that you're getting a safe and reliable product.

9.8

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What We Like

240 capsules per bottle for a long-lasting supply
Contains 1000mcg of Folic Acid per capsule, providing an optimal dose
Non-GMO, Soy Free, and Gluten Free, making it a great option for those with dietary restrictions
High quality Folic Acid used
Made in a GMP compliant, FDA registered facility, ensuring a safe and reliable product

#TOP 3

Opti-Folate L-Methylfolate 15mg

Carlyle
CL14223

Opti-Folate L-Methylfolate 15mg is a complete formula that delivers 25,000 mcg Folate in quick-release capsules. It is a metabolically active form of Folic Acid, also known as Folate or B-9 Vitamin. Carlyle, the brand behind this supplement, provides premium, honest supplements to support your pursuit of healthy living. The product is naturally free of gluten, wheat, yeast, lactose, soy, artificial flavor, preservatives and is Non-GMO.

9.6

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What We Like

High potency and complete formula
Quick-release capsules for easy intake
Naturally free of harmful substances

#TOP 4

Jarrow Formulas Methyl Folate Supplement

Jarrow Formulas
5MTHF

Jarrow Formulas Extra Strength Methyl Folate 400 mcg, Dietary Supplement for Cardiovascular and Neurologic Health Support, 60 Veggie Capsules, 60 Day Supply

Jarrow Formulas Methyl Folate is a dietary supplement that features a highly biologically active form of folate, which is preferable for the body. The supplement uses 4th generation development in folate delivery, with a patent-pending technology formula that increases stability and bioavailability. Each capsule is convenient and delivers 400mcg of methyl folate, making it easy to take once a day without a meal or as directed by a healthcare professional.

9.5

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What We Like

Highly biologically active form of folate
Patent-pending technology formula with increased stability and bioavailability
Convenient veggie capsules that deliver 400mcg of methyl folate
Gluten-free and vegetarian-friendly
Supported by strong scientific research to ensure superior quality

#TOP 5

Nutricost Methyl Folate 1000mcg Capsules

Nutricost
NTC238101

Nutricost Methylfolate 1000mcg, 120 Vegetarian Capsules - Gluten Free, Non-GMO

Nutricost Folate Capsules offer you 120 servings of 1,000mcg Methyl Folate per serving. Encased in vegetarian capsules, they are Non-GMO, Gluten-Free, and 3rd Party Tested. Made in a GMP Compliant, FDA Registered Facility, these capsules provide you with a convenient way to boost your Vitamin B9 levels. By taking these capsules, you support your overall health and well-being, ensuring you get the necessary nutrients your body needs.

9.3

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What We Like

120 servings
Vegetarian capsules
Non-GMO & Gluten-Free

#TOP 6

Carlyle L-Methylfolate 7.5 mg Capsules

Carlyle
CL14531

The Carlyle Methylfolate Capsules offer a powerful dose of L-Methylfolate, the active form of folic acid, which supports your body's natural processes and overall health. Each quick-release capsule delivers 7.5 mg of this essential B9 vitamin, ensuring fast and effective absorption. Carlyle focuses on wellness by providing high-quality supplements that help you maintain a healthy lifestyle. Plus, their products are lab-tested and made with trusted ingredients, so you can feel confident about the quality and safety of what you’re taking every day.

9.2

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What We Like

Active L-Methylfolate form
Quick-release capsules
Supports healthy living
Lab-tested quality

#TOP 7

Thorne 5-MTHF 1mg Supplement - Supports Cardiovascular Health, Fetal Development, and Nerve Health

THORNE
B129

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

The Thorne 5-MTHF 1mg Supplement is a breakthrough in active folate supplementation that supports healthy methylation, blood vessel and nerve function, and optimal homocysteine metabolism. With 60 capsules per bottle, this gluten-free supplement provides the nutritional cofactors needed to support cardiovascular health, fetal development, and a healthy outlook. Thorne Research is a trusted brand, chosen by champions and partnered with Mayo Clinic for wellness research and content.

9.1

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What We Like

Supports healthy methylation, blood vessel and nerve function, and optimal homocysteine metabolism
Provides nutritional cofactors for cardiovascular health and fetal development
Gluten-free
Trusted brand chosen by champions and partnered with Mayo Clinic for wellness research and content

#TOP 8

Pure Encapsulations Folic Acid Supplement

Pure Encapsulations

Pure Encapsulations Folic Acid | Hypoallergenic Dietary Supplement | 60 Capsules

Pure Encapsulations Folic Acid is a premium quality dietary supplement that supports protein utilization, fetal neural development and healthy blood cells. It functions with vitamin B12 and ascorbic acid in breaking down and utilizing proteins. Pure Encapsulations supplements are free from allergens, gluten, artificial colors and flavors, GMOs, and unnecessary binders and preservatives. The product is a great choice for individuals seeking a hypoallergenic and high-quality folic acid supplement.

9.1

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What We Like

Pure quality ingredients
Free from allergens, gluten and GMOs
Supports protein utilization and cellular health
Essential for healthy fetal neural development

#TOP 9

Triquetra Health L Methylfolate 7.5mg + Methyl B12

Triquetra Health

L Methylfolate 7.5mg plus Methyl B12 - Active 5-MTHF Form, MTHFR Supplement - Bloodstream Ready Methylated Folate + B12 Cofactor - Supports Mood, Homocysteine Methylation, Cognition (60 Capsules)

The Triquetra Methylfolate B12 supplement provides you with a strong daily dose of 7.5 mg of L Methylfolate, which is the most active and easily absorbed form of folate. This means your body can use it quickly without extra processing, making it especially helpful if you have trouble converting regular folic acid. It also includes Methylcobalamin, an active form of Vitamin B12 that works closely with methylfolate to support important body functions like breaking down homocysteine. Together, these nutrients help support your mood, brain function, and energy levels, making it easier to stay focused and balanced throughout the day.

9.1

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What We Like

High-dose active folate
Includes methyl B12 cofactor
Supports mood and cognition
Quick bloodstream absorption

#TOP 10

MethylPro 15mg L-Methylfolate (90 Capsules)

MethylPro
Methyl-811-L-Methylfolate_15_mg

MethylPro L-Methylfolate 15 mg - L Methyl Folate, Methylfolate Supplement for Women & Men, Methylated Vitamin B9 (5-MTHF) for Brain Health, Focus, Calm - 90 Capsules (Pack of 1)

MethylPro 15mg L-Methylfolate is a professional strength active methyl folate supplement that provides faster and better results. It supports brain and mood, promotes cardiovascular and nerve health, and is free of fillers and excipients like bulking agents, glues, or binders. This product is ideal for those who have difficulty converting folate into its active form. MethylPro 15mg L-Methylfolate is gluten-free and contains the most advanced form of folate to cross the blood-brain-barrier, which is important for the production of neurotransmitters that affect focus, sleep, energy, hormones, and mood stability.

8.9

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What We Like

Free of fillers and excipients
Professional strength active methyl folate supplement
Supports brain and mood
May help promote cardiovascular and nerve health
Gluten-free

Frequently Asked Questions (FAQs)

1. What is folic acid vitamin B9 used for?

It aids in the production of DNA and RNA, the body's genetic material, and is especially important when cells and tissues are growing rapidly, such as in infancy, adolescence, and pregnancy. Folic acid also works closely with vitamin B12 to help make red blood cells and help iron work properly in the body.

2. Is vitamin B9 the same as folic acid?

There is no difference! Folates (or natural folic acid) are the forms of vitamin B9 that are naturally present in food. Folic acid is the synthetic form that serves as a supplement. No matter its form, vitamin B9 is THE growth vitamin.

3. What is the best form of vitamin B9?

The healthiest dietary sources of vitamin B9 are whole foods, such as leafy green vegetables....High-folate foods include:. asparagus.avocados.Brussels sprouts.leafy greens like spinach and lettuce.

Editor's Notes

During our capsules vitamin b9 (folic acid) supplement research, we found 24 capsules vitamin b9 (folic acid) supplement products and shortlisted 10 quality products. We collected and analyzed 203,493 customer reviews through our big data system to write the capsules vitamin b9 (folic acid) supplements list. We found that most customers choose capsules vitamin b9 (folic acid) supplements with an average price of $15.35.

The capsules vitamin b9 (folic acid) supplements are available for purchase. We have researched hundreds of brands and picked the top brands of capsules vitamin b9 (folic acid) supplements, including Triquetra Health, Nutricost, Carlyle, Jarrow Formulas, THORNE. The seller of top 1 product has received honest feedback from 2,937 consumers with an average rating of 4.9.

Written by

Elisa Drew

Elisa Drew is a really professional copywriter specializing in baby products with five years of experience working as a pediatrician once. She has published a series of baby books purchased by over thirty thousand people in the United States.