B-2 100 mg
NOW
B-2 100 mg
4.8
★ ★ ★ ★ ★
(9220 ratings)
Riboflavin 100 mg
Score 95.0
A top-tier, highly popular, and cost-effective 100mg Riboflavin supplement, offering exceptional value and widespread consumer trust for general B2 support.
Quantity: 100 Capsule(s)Servings size: 1 Capsule(s) (100 servings)
Selected goals:
Other goals:
Energy
General Health
Vision Support
Skin Health
leaderboard Score 95.0
A top-tier, highly popular, and cost-effective 100mg Riboflavin supplement, offering exceptional value and widespread consumer trust for general B2 support.
insights Analysis
NOW B-2 100 mg provides a robust 100mg dose of Riboflavin in its standard form, which is an excellent amount for daily supplementation to support energy metabolism and overall health. What sets this product apart is its remarkable popularity, evidenced by over 8,800 reviews, signifying widespread consumer satisfaction and trust in the brand's quality and efficacy. The very affordable price per serving further enhances its appeal, positioning it as a highly accessible and reliable choice for most individuals seeking a pure B2 supplement. While it is not the activated form, for the majority of users, the standard form is adequately converted and utilized by the body.
- Massively high review count indicates broad consumer trust and satisfaction.
- Very low price per serving, offering excellent affordability.
- Provides a standard and effective 100mg dose of Riboflavin.
- Utilizes standard Riboflavin, not the more bioavailable activated form.
$5.09($0.05 per serving)
 Vitacost | $ 5.09 | |
 Daily Vita | $ 5.20 | |
 Pure Formulas | $ 5.46 | |
 iHerb | $ 5.50 |
bolt Effectiveness for goals
Riboflavin is essential for cellular energy production, the metabolism of fats, and the conversion of other B vitamins into their active forms. It plays a crucial role in maintaining healthy skin, eyes, and nerve function by supporting various metabolic processes.
Some research suggests that high-dose Riboflavin supplementation may help reduce the frequency and duration of migraine attacks in certain individuals. This effect is thought to be due to its role in improving mitochondrial energy metabolism.
Riboflavin is vital for the body's energy production processes by helping convert food into usable energy. While essential for preventing fatigue due to deficiency, supplemental Riboflavin typically does not provide an 'energy boost' in individuals who are not deficient.
Riboflavin is important for normal vision and is being studied for its potential role in preventing or slowing the progression of certain eye conditions, such as cataracts. Its involvement in antioxidant pathways may help protect eye tissues from oxidative damage.
Riboflavin supplementation is highly effective in preventing and treating Riboflavin deficiency, also known as ariboflavinosis. Deficiency can lead to symptoms like sore throat, cracks at the corners of the mouth, and certain skin and eye conditions.
schedule Dosage, timing & forms
The Recommended Dietary Allowance (RDA) for adult men is 1.3 mg per day and for adult women is 1.1 mg per day. Higher doses might be used in supplements, often ranging from 5 mg to 100 mg, depending on individual needs or specific conditions. It's best to consult a healthcare professional for personalized dosage advice.
There is no established tolerable upper intake level (UL) for Riboflavin because there is no evidence of toxicity from high intakes. Even at very high doses, excess Riboflavin is typically excreted in the urine. However, extremely high doses can sometimes lead to temporary digestive upset.
For specific conditions, such as migraine prevention, higher doses of Riboflavin are often used, typically around 400 mg per day. This specific dosage should only be taken under the guidance and supervision of a healthcare professional. These doses are significantly higher than the RDA.
Taking Riboflavin with food can enhance its absorption, particularly if the food contains protein. It is fat-soluble in some forms and its absorption is improved in the presence of food. Many recommend taking it with a meal.
Riboflavin is commonly available in supplement form as riboflavin or riboflavin 5'-phosphate (FMN). It can be found in capsules, tablets, and sometimes in liquid formulations. Riboflavin 5'-phosphate is the metabolically active form and is sometimes preferred for better absorption.
health_and_safety Safety & interactions
Riboflavin is generally considered safe for most healthy adults when taken at recommended doses. As a water-soluble vitamin, excess amounts are typically excreted in the urine. Serious adverse effects are rare.
Adequate Riboflavin intake is crucial during pregnancy and lactation for both maternal and infant health. While generally considered safe at recommended doses, pregnant or breastfeeding individuals should consult their healthcare provider before taking any new supplements. Excessively high doses are not recommended without medical supervision.
Riboflavin is generally well-tolerated, even at high doses. The most common noticeable effect is a harmless, bright yellow-orange discoloration of urine. Gastrointestinal upset is rare but possible with very high intakes.
Riboflavin (Vitamin B2) is generally considered safe when consumed in amounts found naturally in foods or from supplements at recommended doses. It is a water-soluble vitamin, meaning excess amounts are typically excreted by the body. Serious adverse effects are rare.
Since Riboflavin is water-soluble, excess amounts are primarily excreted in the urine, leading to bright yellow urine. There is no established Upper Tolerable Intake Level (UL) for Riboflavin due to its low toxicity. However, extremely high doses might rarely cause mild digestive upset.
Ingredients
| Ingredient | Amount per serving |
|---|---|
Riboflavin | 100 mg |
Categories
Riboflavin 95.0
As a dedicated Riboflavin supplement, this product excels by providing a highly effective 100mg dose coupled with exceptional consumer trust due to its vast number of positive reviews. It stands out as a leading option within the Riboflavin collection.
Goals
Energy 90.0
Riboflavin is a critical coenzyme in energy metabolism, converting macronutrients into usable energy (ATP). The 100mg dose is effective for supporting cellular energy production, and the product's high popularity suggests user satisfaction with its effects.
General Health 90.0
As a key B vitamin, Riboflavin plays a vital role in numerous metabolic processes, including antioxidant defense and maintaining healthy mucous membranes. This product delivers a robust dose contributing significantly to overall physiological well-being.
Vision Support 85.0
Riboflavin is essential for maintaining healthy vision, particularly in preventing oxidative damage to the eyes and supporting corneal health. While higher doses are often used for specific eye conditions, 100mg still provides beneficial support for general vision maintenance.
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