10 Best Naturals Vitamin B2 of 2025

Tested and Reviewed: Top 10 Naturals Vitamin B2 deals with expert ratings from 8.1 to a perfect 10

March 2026 Edition

Editor's Choice

9.7

Nutricost

Nutricost Vitamin B2 (Riboflavin) 400mg, 120 Capsules - Gluten Free, Non-GMO

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Editor's bottom line:

“This naturals vitamin b2 is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

400mg of Premium Vitamin B2 (Riboflavin) Per Capsule
120 Capsules of Vitamin B2 Per Bottle
120 Servings Per Bottle, 1 Capsule is 1 Serving
Non-GMO, Gluten Free, 3rd Party Tested
Made In a NSF Certified, GMP Compliant, FDA Registered Facility

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Picked by 397 people today

9.5

Nutricost

Nutricost Vitamin B2 (Riboflavin) 100mg, 120 Capsules - Gluten Free and Non-GMO

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Main Highlights

100mg of Vitamin B2 In Each Capsule
120 Capsules Per Bottle
High Quality Riboflavin
Made in a GMP Compliant, FDA Registered Facility

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9.5

ForestLeaf

ForestLeaf Vitamin B2 Riboflavin 400mg - Energy, Skin & Cellular Health Supplement - Nervous System Support - Vitamin B 2 VIT B - Non-GMO & Gluten Free - B2 Vitamin 400mg Vegetable Capsules, 90 Count

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Main Highlights

High Potency Vitamin B2 Riboflavin 400mg Supplement Each capsule delivers 400mg of pure riboflavin vitamin b2, a powerful B 2 nutrient that helps convert food into energy, support metabolic activity, and promote daily cellular function. A reliable b2 riboflavin 400mg for women and men alike*
Supports Energy Metabolism and Red Blood Cell Production Vitamin b2 riboflavin plays a key role in helping your body maintain energy, supporting red blood cell formation, and transporting oxygen efficiently. This b2 vitamin 400mg supports sustained vitality and overall metabolic wellness*
Promotes Healthy Skin, Vision, and Nervous System Balance Riboflavin 400mg supports the maintenance of healthy skin, clear vision, and proper nerve function. Our b2 vitamin supplement may also benefit overall head comfort, making it an excellent support for migraine vitamin supplement for men and women*
Clean Label and Optimized Absorption This b 2 vitamin supplement 400 mg is non-GMO, gluten-free, dairy-free, soy-free, and free from artificial additives. ForestLeafs vitamin b2 (riboflavin) supplements are vegetarian-friendly and designed for purity, bioavailability, and consistent daily use*
Tested for Quality and Made in the USA ForestLeaf's riboflavin vitamin b2 400 mg is manufactured in GMP-certified facilities and third-party tested for potency and absorption. Our b2 vitamin supplement is trusted for its clean formulation and dedication to wellness, transparency, and efficacy*

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9.2

Best Naturals

Best Naturals Vitamin B2 (Riboflavin) 400mg - Migraine Relief - Veggie Capsules - Conezyme Precursor - 120 Count

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Main Highlights

3rd Party Lab Tested for Purity & Quality.
400 mg of Vitamin B2 per Vegetarian Capsule - 120 Capsules per Bottle.
Non-GMO & Gluten-Free.
Proudly Made in USA, GMP Compliant, FDA Registered Facility.
No Artificial Color, Flavor, or Sweetener, No Preservatives, No Sugar, No Milk, No Corn, No Soy, No Egg, No Lactose, No Gluten, No Wheat, No Yeast, No Fish. Sodium Free.

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9.0

Best Naturals

Best Naturals Vitamin B2 (Riboflavin) 400mg - Migraine Relief - Veggie Capsules - Conezyme Precursor - 120 Count (120 Count (Pack of 2))

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Main Highlights

PREMIUM FORMULA - Our Vitamin B2 Capsules are the made with high quality riboflavin (vitamin b2).).
3rd Party Lab Tested - Our All Best Naturals Products come with 3rd Party Independent Lab Tested
Supports healthy nervous system, healthy vision, skin and hair, fat & energy metabolism
No Articial Color, Flavor or Sweetener, No Preservatives, No Sugar, No Starch, No Corn, No Soy, No Egg, No Lactose, No Gluten, No Wheat, No Yeast, No Fish
All Best Naturals products are manufactured in accordance with Good Manufacturing Practices (GMP), among the highest standards in the world - Proudly Made in the USA

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8.8

Herb-Science

Herb-Science Vitamin B2 Supplement - Riboflavin Drops Liquid Extract - for Headache Relief, Natural Energy - Support for Hair, Skin, Nail Health,Collagen Production - Non-Alcoholic - 1 Fl.oz.

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Main Highlights

HARNESS MORE ENERGY - Fight off feelings of tiredness and lethargy by taking our riboflavin B2 drops. Vitamin B2 is needed for converting food into energy you can use for work or exercise.
SUPPORTS COLLAGEN PRODUCTION - Low collagen levels can lead to weak nails, dry skin, or brittle hair. Riboflavin is needed for producing collagen that helps maintain healthy hair, skin, and nails.
WARD OFF FREE RADICALS - Raise your defenses against ravaging free radicals by taking our liquid drops. Vit B2 may help protect against cell damage, oxidative stress, and premature aging.
NATURAL IS ALWAYS BEST - Our Vitamin B2 riboflavin liquid is as pure as it gets. It only uses natural ingredients. It is vegan friendly, non-alcoholic and quality tested.
CUSTOMER SATISFACTION - If, for any reason, you are not satisfied with the quality of our liquid Vitamin B2 formula, let us know within 30 days of purchase so we can provide a refund right away.
Our focus isn't on flavor or appearance, but solely on supporting your health and well-being.
Packaged in Premium Blue Cobalt Glass Protects the integrity of the liquid extract by shielding it from UV light, preserving freshness and potency without the risk of leaching from plastic containers.

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8.6

Carlyle

Carlyle Vitamin B-2 400mg | 180 Count | Non-GMO, Gluten Free Supplement | B2 Riboflavin

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Main Highlights

VITAMIN B2: Riboflavin is one of many B-Complex vitamins present in dairy and green vegetables
COMPLEX FORMULA: Delivers 400 mg of Vitamin B-2 in each serving for maximum support
ROOTED IN WELLNESS: Carlyle provides premium, honest supplements in your pursuit to healthy living
CARLYLE MANUFACTURERS: Laboratory Tested, Trusted Ingredients, Superior Quality, 100% Guaranteed!
NATURALLY FREE OF: Gluten, Wheat, Yeast, Lactose, Artificial Sweetener, Preservatives & Non-GMO

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8.3

Source Naturals

Source Naturals Vitamin B-2 Riboflavin 100 mg Supports Energy Production - 250 Tablets

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Main Highlights

Vitamin B-2 Benefits. These enzymes are important in energy production, and are essential for normal fatty acid and amino acid synthesis.
1 tablet daily.
Suitable For Vegetarians. Contains no yeast, dairy, egg, gluten, corn, soy or wheat. Contains no sugar, starch, salt, preservatives, or artificial color, flavor or fragrance.
Over 40 Years of Trust. Source Naturals was created in 1982 by CEO Ira Goldberg to support everyones potential to enjoy optimal health.
Manufactured in Scotts Valley, CA, under the Good Manufacturing Practices (cGMPs) established by the US Food and Drug Administration. (FDA)

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8.1

Natural Factors

Natural Factors - Vitamin B2 Riboflavin 100mg, Support for Energy & Normal Metabolism, 90 Tablets

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Main Highlights

ENERGY AND MORE: Vitamin B-2 can support energy and Riboflavin also helps maintain healthy vision, skin, hair and mucous membranes.
GIVE YOUR BODY THE ESSENTIAL VITAMINS ITS NEEDS: Without B-2, along with Niacin, the body can't utilize most food constitutes properly.
LOCAL, ORGANIC, AND NON-GMO: Because Natural Factors Farms are certified organic, we don't pollute the earth with pesticides and chemical fertilizers. We grow true species non-hybridized, non-GMO seeds, including many open-pollinated varieties. Growing locally also helps reduce the carbon emissions from overseas transportation, and keep jobs in the community.
JUST THE RIGHT SIZE: We believe we need to be big enough to do it right. We are one of the only nutritional companies to have our own organic farms, our own extraction, encapsulation, and production facilities, our own labs and research facilities. We are also one of the few branded manufacturers of nutraceuticals in North America to have our own soft gel encapsulation facility.
WHERE GREAT HEALTH BEGINS: Today, Natural Factors is one of the largest manufacturers of nutritional products in North America. But our origins reach back to the 1950s, and right from day one, we've always been fully committed to making products right. We are not a public company with shareholders to impress. Instead, we care about impressing you.

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8.1

Source Naturals

Source Naturals Vitamin B-2 Riboflavin 100 mg Supports Energy Production - 100 Tablets

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Main Highlights

Vitamin B-2 Benefits. These enzymes are important in energy production, and are essential for normal fatty acid and amino acid synthesis.
1 tablet daily.
Suitable For Vegetarians. Contains no yeast, dairy, egg, gluten, corn, soy or wheat. Contains no sugar, starch, salt, preservatives, or artificial color, flavor or fragrance.
Over 40 Years of Trust. Source Naturals was created in 1982 by CEO Ira Goldberg to support everyones potential to enjoy optimal health.
Manufactured in Scotts Valley, CA, under the Good Manufacturing Practices (cGMPs) established by the US Food and Drug Administration. (FDA)

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Our Best Overall Choice

Best Choice

9.7

Nutricost

Nutricost Vitamin B2 (Riboflavin) 400mg, 120 Capsules - Gluten Free, Non-GMO

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Editor's bottom line:

“This is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

400mg of Premium Vitamin B2 (Riboflavin) Per Capsule
120 Capsules of Vitamin B2 Per Bottle
120 Servings Per Bottle, 1 Capsule is 1 Serving
Non-GMO, Gluten Free, 3rd Party Tested
Made In a NSF Certified, GMP Compliant, FDA Registered Facility

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