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Products verified: June 11, 2026
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Riboflavin, also known as Vitamin B2, plays a crucial role in energy production, cell function, and metabolism. Ensuring you get enough of this essential nutrient is vital for overall well-being. Choosing the right supplement can help you meet your daily needs effectively and support your health goals.
SUPPORTS ENERGY METABOLISM (1) Nature’s Bounty Vitamin B-2 (Riboflavin) aids in the metabolism of carbohydrates, proteins and fats to support energy metabolism (1)
SUPPORTS A HEALTHY NERVOUS SYSTEM (1) As part of the Vitamin B family, B-2 helps maintain a healthy nervous system (1)
EASY TO SWALLOW Our Vitamin B-2 tablets are coated for easy swallowing, ensuring you get your daily dose of this essential B vitamin without hassle
QUALITY AND SAFETY Nature’s Bounty is committed to quality and safety, offering a vegetarian-friendly, non-GMO, gluten- and sugar-free vitamin B supplement with no artificial colors or flavors
TRUSTED QUALITY With 50 years of dedication to quality and scientific research, Nature’s Bounty Vitamin B2 is a product of excellence fitting seamlessly into your daily routine
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 b...
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...
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...
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. ForestLeaf’s vitamin b2 (riboflavin) supplements are vegetarian-friendly and designed for...
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...
100 mg RIBOFLAVIN: Vitamin B-2, also known as riboflavin, is a member of the B-vitamin family
ENERGY PRODUCTION*: 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...
CERTIFICATIONS/CLASSIFICATIONS: Non-GMO, Soy Free, Made without Gluten, Dairy Free, Egg Free
GMP Quality Assured: A-rated, third-party certification means that every aspect of the NOW manufacturing process has been examined. Our in-house laboratories are ISO/IEC accredited for laboratory testing including for stability, potency and product...
Founded in 1968 by Elwood Richard, NOW is one of the largest independent, family- and employee-owned manufacturers of natural products
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 b...
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...
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...
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. ForestLeaf’s vitamin b2 (riboflavin) supplements are vegetarian-friendly and designed for...
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...
Special Features – Extra strength vitamin B2 riboflavin capsule supplement. 2-in-1 enhanced formula with magnesium glycinate. Essential vitamin and mineral complex. High bioavailable top grade forms.
Benefits & Use – Taking vitamin B2 with magnesium glycinate supports a wide range of benefits around the body. Includes promoting healthy cells, food breakdown, nervous system, energy levels, and heart health.
Dosage & Servings – Enjoy 240 capsules per bottle that only take 2 capsules per serving. A 120-day supply that contains 400mg vitamin B2 plus 400mg magnesium glycinate.
Purpose – Each serving offers dual action benefits that are designed to promote overall daily balance. Vitamin B2 and magnesium have unique abilities but come together to form a synergistic bond.
Quality Ensured – Non-GMO ingredients that are 3rd party lab tested and passed. Made without preservatives gluten, dairy, eggs, peanuts, soy, wheat, & yeast.
B2 Vitamin 400mg Supplement - Our Vegan gummies contain vitamin b2 400 mg （riboflavin）and magnesium glycinate 400mg. Comes with 60 gummies, 30 days supply.
Migraine Relief - Backed by studies, riboflavin can relieve migraine. Our b2 gummies with magnesium glycinate can help relieve stress and reduce migraines, supporting a healthy nervous system!
Many Health Benefits - Unlock the potential of Vitamin b2 riboflavin–an essential micronutrient. Our riboflavin 400mg gummies optimize the function of red cells, protect your eyes' health, and boost your energy levels naturally. Your overall well-being...
Wonderful Lemon Flavor - Tired of capsules and tablets? Our vitamin B 2 gummies boast a delightful natural lemon flavor, making your daily health routine a tasty treat. Chew and swallow effortlessly for a delicious and healthy experience!
Choose with confidence! - These b 2 vitamin supplement are GMP certified, gluten-free, non-GMO, and vegan-friendly. They have been 3rd-Party Tested for superior quality and consistency. Choose our b2 riboflavin 400mg chewable for total care for your body!
Last update on 2026-06-11 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Vitamin B2 (Riboflavin) Supplements
Forms of Riboflavin
Riboflavin supplements are primarily available in two forms: riboflavin itself and riboflavin-5'-phosphate (RBP). RBP is the active form of the vitamin, meaning it's readily usable by the body. While both are effective, some individuals may prefer RBP for potentially faster absorption.
Dosage and Potency
The recommended daily allowance (RDA) for Vitamin B2 varies by age and sex. Supplements come in a wide range of potencies, from 25mg to over 100mg. It's important to consider your individual dietary intake and consult with a healthcare professional to determine the appropriate dosage for your needs. Avoid megadoses unless specifically recommended by a doctor.
Additional Ingredients and Purity
Check the ingredient list for any unnecessary fillers, artificial colors, or allergens if you have sensitivities. Look for supplements that are third-party tested for purity and potency. Certifications from organizations like USP or NSF International can provide added assurance of product quality and safety.
Frequently Asked Questions
What is the main function of Vitamin B2?
Vitamin B2, or riboflavin, is essential for energy production within your cells. It helps convert the food you eat into usable energy and also plays a vital role in cell growth, function, and metabolism.
Who might benefit from a riboflavin supplement?
Individuals with dietary restrictions, certain medical conditions, or those who don't consume enough B2-rich foods may benefit. Pregnant or breastfeeding women, older adults, and athletes might also have increased needs.
Can I take too much Vitamin B2?
Riboflavin is water-soluble, meaning excess amounts are typically excreted in urine. While toxicity is rare, extremely high doses might cause side effects. It's always best to stick to recommended dosages or consult a healthcare provider.
How should I store my riboflavin supplement?
Store your supplement in a cool, dry place away from direct sunlight. Keep the container tightly closed to protect it from moisture and air. Always follow the specific storage instructions provided by the manufacturer on the product label.
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