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Updated: 06 Apr 2026

10 Best Vitamin B2 Riboflavin Supplements

#1 Best Pick
Vitamatic Vitamin B2 (Riboflavin) 250 mg 200 Capsules - Support Cellular Energy and Red Blood Cell Production

Vitamatic Vitamin B2 (Riboflavin) 250 mg 200 Capsules - Support Cellular Energy and Red Blood Cell Production

Brand: Vitamatic
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  • Promotes healthier blood, nervous system, energy and metabolism*
  • Riboflavin is important for red blood cell production and helps the body release energy*
  • Non-GMO formula - Gluten Free
  • Free of sugar, starch, soy, yeast, corn, wheat, egg, artificial color, flavor & preservatives.
  • Made in the USA with Strict GMP standards.
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#2 Best Value
BulkSupplements.com Riboflavin Powder - as Vitamin B2, Vitamin B2 Supplement - Riboflavin 400mg, B Vitamins for Wellness, Gluten Free, 400mg per Serving, 250g (8.8 oz) (Pack of 1)

BulkSupplements.com Riboflavin Powder - as Vitamin B2, Vitamin B2 Supplement - Riboflavin 400mg, B Vitamins for Wellness, Gluten Free, 400mg per Serving, 250g (8.8 oz) (Pack of 1)

Brand: BulkSupplements
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  • ✔️ Essential Vitamin for Daily Intake - Make sure you're getting all the nutrients your body needs with our Vitamin B2 or Riboflavin 400mg powder! Our Riboflavin, or B2 Vitamins, is a great source of Vitamin B2, and it's important for maintaining optimal health.* Take our Vitamin B2 Riboflavin, or Vitamin B2 powder, for daily Vitamin B intake!
  • ✔️ Boost your Overall Wellness! - Riboflavin is a nutrient for overall health. Our Riboflavin, a Vitamin B supplements, is one of the most essential functions to the brain, as well as supports energy.* So make sure to add our Vitamin B2 400mg, or Riboflavin 400mg, to your supplement routine and get all the benefits of this Riboflavin Powder!* Get your daily dose of Vitamin B2 with every serving!
  • ✨ Free of Gluten, Dairy, & Soy - Get your daily dose of Vitamin B2! Our easy-to-use powder contains 400 mg of Riboflavin per serving with no artificial flavors, colors or preservatives. Plus, our Vitamin B2 400 mg or Riboflavin 400mg powder are gluten-free, dairy-free and soy-free so you can take it without the worry. Whether you take it with your favorite drink or just plain water, you'll get the boost you need on the go!
  • ✔️ Add to your Diet - Boost your nutrition level with our pure and natural Vitamin B2 powder or Riboflavin powder! This Vitamin B supplement, or B2 Vitamins, provides a great way to fill in any nutritional gaps in your daily diet for optimal health & wellness!* Plus, our B2 Vitamin 400mg can help you get all the essential vitamins your body needs.
  • ⭐ High Quality - All Vitamin B Supplements by BulkSupplements are manufactured according to cGMP Standards to ensure the highest quality for manufacturing, packaging, labeling, and holding operations. We third party test our Riboflavin 400mg in Riboflavin powder form at multiple stages during production, procedures and equipment to ensure compliance, standards and consistency.
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#3 Budget Pick
Micro Ingredients Vitamin B2 Riboflavin 400mg Serving, 200 Caplets, Premium Vitamin B2 Supplement, Promote Energy Production, No GMOs

Micro Ingredients Vitamin B2 Riboflavin 400mg Serving, 200 Caplets, Premium Vitamin B2 Supplement, Promote Energy Production, No GMOs

Brand: Micro Ingredients
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  • Micro Ingredients Vitamin B2 Supplement, Riboflavin 400mg Per Serving, 200 Caplets.
  • Riboflavin is an Important Enzyme Cofactor Necessary for Energy Production from Carbohydrate, Fat, and Protein. It is also Needed for the Regeneration of Glutathione, which Supports the Body's Natural Defense Mechanisms and Detoxification Systems.
  • Strongly Enhances Energy Production, Premium Vitamin B2 for Kids and Vitamin B2 for Adults.
  • No GMOs, No Preservatives, No Artificial Colors, No Flavors, No Soy and No Gluten.
  • 3rd Party Lab Tested for Purity and Safety.
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#4 Top Choice
Vitabod Vitamin B2 (Riboflavin) 400 mg 240 Vegetarian Capsules - Support Cellular Energy and Red Blood Cell Production

Vitabod Vitamin B2 (Riboflavin) 400 mg 240 Vegetarian Capsules - Support Cellular Energy and Red Blood Cell Production

Brand: Vitabod
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  • Promotes nervous system, energy and metabolism*
  • An essential vitamin for enzyme reactions*
  • Non-GMO formula - Gluten Free
  • Free of sugar, starch, soy, yeast, corn, wheat, egg, artificial color, flavor & preservatives.
  • Made in the USA with Strict GMP standards.
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#5 Popular Choice
Nutricost Vitamin B2 Capsules 1 Bottle

Nutricost Vitamin B2 Capsules 1 Bottle

Brand: Nutricost
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  • 400mg of Premium Vitamin B2 (Riboflavin) Per Capsule
  • 120 Capsules of Vitamin B2 Per Bottle
  • Vitamin B2 is Known To Support Energy Production
  • Non-GMO, Gluten Free, 3rd Party Tested
  • Made In a GMP Compliant, FDA Registered Facility
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#6 Top Pick
Deal Supplement Vitamin B2 Riboflavin Energy Production (120Caps)

Deal Supplement Vitamin B2 Riboflavin Energy Production (120Caps)

Brand: Deal Supplement
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  • Super Strength - Vitamin B2 500mg per serving, 120 Capsules, only take 1 capsule to get the benefits of vitamin b2 riboflavin.
  • Energy Production - Vitamin B2 helps break down proteins, fats, and carbohydrates. It plays a vital role in maintaining the body's energy supply. Riboflavin helps convert carbohydrates into adenosine triphosphate (ATP). The human body produces ATP from food, and ATP produces energy as the body requires it.
  • Prevent Migraine Headaches - Many studies showed that the beneficial effects in reducing migraine frequency appeared after a month of daily doses of vitamin b2 400 mg.
  • Top Grade Quality - Proudly manufactured in USA, Non-GMO, Gluten Free, No Diary,3rd Party Lab tested
  • Money Back Guarantee-60 Days Unconditional Money Back Guarantee
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#7 Top Pick
BulkSupplements.com Riboflavin Powder - as Vitamin B2, Vitamin B2 Supplement - Riboflavin 400mg, B Vitamins for Wellness, Gluten Free, 400mg per Serving, 100g (3.5 oz) (Pack of 1)

BulkSupplements.com Riboflavin Powder - as Vitamin B2, Vitamin B2 Supplement - Riboflavin 400mg, B Vitamins for Wellness, Gluten Free, 400mg per Serving, 100g (3.5 oz) (Pack of 1)

Brand: BulkSupplements
Read more
  • ✔️ Essential Vitamin for Daily Intake - Make sure you're getting all the nutrients your body needs with our Vitamin B2 or Riboflavin 400mg powder! Our Riboflavin, or B2 Vitamins, is a great source of Vitamin B2, and it's important for maintaining optimal health.* Take our Vitamin B2 Riboflavin, or Vitamin B2 powder, for daily Vitamin B intake!
  • ✔️ Boost your Overall Wellness! - Riboflavin is a nutrient for overall health. Our Riboflavin, a Vitamin B supplements, is one of the most essential functions to the brain, as well as supports energy.* So make sure to add our Vitamin B2 400mg, or Riboflavin 400mg, to your supplement routine and get all the benefits of this Riboflavin Powder!* Get your daily dose of Vitamin B2 with every serving!
  • ✨ Free of Gluten, Dairy, & Soy - Get your daily dose of Vitamin B2! Our easy-to-use powder contains 400 mg of Riboflavin per serving with no artificial flavors, colors or preservatives. Plus, our Vitamin B2 400 mg or Riboflavin 400mg powder are gluten-free, dairy-free and soy-free so you can take it without the worry. Whether you take it with your favorite drink or just plain water, you'll get the boost you need on the go!
  • ✔️ Add to your Diet - Boost your nutrition level with our pure and natural Vitamin B2 powder or Riboflavin powder! This Vitamin B supplement, or B2 Vitamins, provides a great way to fill in any nutritional gaps in your daily diet for optimal health & wellness!* Plus, our B2 Vitamin 400mg can help you get all the essential vitamins your body needs.
  • ⭐ High Quality - All Vitamin B Supplements by BulkSupplements are manufactured according to cGMP Standards to ensure the highest quality for manufacturing, packaging, labeling, and holding operations. We third party test our Riboflavin 400mg in Riboflavin powder form at multiple stages during production, procedures and equipment to ensure compliance, standards and consistency.
Check latest price on Amazon
#8 Top Pick
400mg Vitamin B2 (Riboflavin) Supplement with 400mg Magnesium Glycinate - 60 Capsules

400mg Vitamin B2 (Riboflavin) Supplement with 400mg Magnesium Glycinate - 60 Capsules

Brand: BEBEFEN
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  • Special Features - Vitamin B2 is from food sources that we provide from food sources every day. Like barley, grains, leafy vegetables, nuts & more. Vitamin B2 (Riboflavin) contains high-quality, precisely blended ingredients including Riboflavin (Vitamin B2), Magnesium Glycinate, and Rice flour.
  • Benefits & Use – Vitamin B2 is perhaps most well known for its potential benefits in comfortable mood, circulatory health, energy production & overall well-being.
  • Dosage & Servings – 60 capsules per bottle with 2 capsules per serving, contains 1000mg Riboflavin B2 complex up to a 30-day supply.
  • Quality, First, and Foremost - BEBEFEN products are produced in a GMP-certified state-of-the-art manufacturing facility right here in the USA.
  • Tested & Trusted Ingredients - Each and Every batch is 3rd Tested for Quality, Purity, and Potency to ensure our ingredients contain the correct standardized level of purity and active ingredients.
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#9 Top Pick
Best Naturals Vitamin B2 (Riboflavin) 100 mg 180 Tablets - Premium Formula - 3rd Party Lab Tested

Best Naturals Vitamin B2 (Riboflavin) 100 mg 180 Tablets - Premium Formula - 3rd Party Lab Tested

Brand: Best Naturals
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  • 3rd Party Lab Tested for Purity & Quality.
  • 100 mg of Vitamin B-2 per Tablet - 180 Tablets 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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#10 Top Pick
Nature's Own Vitamin B2 100mg Tablets 100 - Vitamin B Helps Reduce Occurrence of Mild Migraines, Supports Energy Levels - Helps Metabolise Carbohydrates, Fats, & Proteins

Nature's Own Vitamin B2 100mg Tablets 100 - Vitamin B Helps Reduce Occurrence of Mild Migraines, Supports Energy Levels - Helps Metabolise Carbohydrates, Fats, & Proteins

Brand: Nature's Own
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  • HELPS REDUCE OCCURRENCE OF MILD MIGRAINES: 4 tablets taken daily with food helps reduce occurrence of mild migraines
  • SUPPORTS ENERGY LEVELS: 1 tablet taken daily with food helps support the body’s energy levels
  • ASSISTS FAT METABOLISM: Vitamin B2 helps the body metabolise dietary fat
  • AIDS METABOLISM: Helps metabolise carbohydrates, fats, and proteins
  • MAINTAINS VITAMIN B2 LEVELS: Maintains Vitamin B2 levels in normal range in individuals in certain stages of life, such as seniors, women who exercise regularly, or vegans
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