Amazing Nutrition Riboflavin, 400 mg, 120 Capsules supplement bottle
Amazing Nutrition

Riboflavin, 400 mg, 120 Capsules

What We Researched
1 active ingredient analyzed · 4 inactive ingredients decoded · 3 retailers compared · Last updated: Mar 2026
100
Product Score Excellent

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Riboflavin (as Vitamin B2) 400 mg 30,769%
Bioavailability Excellent

Absorption Rating

  • Riboflavin (as Vitamin B2) Good
Other Ingredients Excellent

Fillers & Additives

  • Gelatin (Capsule)
  • Magnesium Stearate
  • Silicon Dioxide
  • Microcrystalline Cellulose
Efficacy Excellent

Dosage Analysis

  • Riboflavin (as Vitamin B2) 400 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Riboflavin (as Vitamin B2) 400 mg 30,769%

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Gelatin (Capsule) Safe

It is used as a material for making capsules.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Microcrystalline Cellulose Safe

Adds bulk to small-dose supplements to make tablets/capsules a manageable size.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$21$19$18$17$15 Mar 12 $18.69$17.19
iHerb
Vitacost

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

Brand Trust Report
Amazing Nutrition

Founded 2014 · South Hackensack, NJ 07606-1805, United States · 114 products · amazingnutrition.com/

Transparency

2 claims
Third Party Testing Claim — Claimed Source

Violation History

1 incident
Prop 65 Lead2019-08-13Source
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Frequently Asked Questions
Is Amazing Nutrition Riboflavin, 400 mg a good supplement?

Amazing Nutrition Riboflavin, 400 mg, 120 Capsules received a product quality score of 100/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. The product contains 1 active ingredients with 120 servings per container. All 4 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives.

What are the ingredients in Amazing Nutrition Riboflavin, 400 mg?

Amazing Nutrition Riboflavin, 400 mg contains 1 active ingredients: Riboflavin (as Vitamin B2) (400 mg). Notable high-dose ingredients include Riboflavin at 30,769% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Amazing Nutrition Riboflavin, 400 mg safe to take?

Amazing Nutrition Riboflavin, 400 mg, 120 Capsules has been analyzed for ingredient safety across all its components. All 4 inactive ingredients — including capsule materials, fillers, and binders — are rated safe based on regulatory data and published safety research. This is a clean formulation with no controversial additives. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

How much vitamin d3 should i take daily?

The optimal dosage depends on your individual health needs, age, sex, and current nutrient levels. Recommended daily amounts are established by health authorities but may vary from therapeutic doses used in clinical research. It's important to check the Supplement Facts label for the exact amount per serving and compare it against the % Daily Value. Some supplements provide mega-doses well above the Daily Value, which may not be necessary and in some cases could be harmful — particularly for fat-soluble vitamins (A, D, E, K) that accumulate in the body. GoodSupp's efficacy analysis evaluates whether a product's dosages align with clinically studied amounts. Always consult your healthcare provider for personalized dosage recommendations.

What does vitamin d do?

This is an important question for supplement consumers. The dietary supplement industry is largely self-regulated, which means product quality, ingredient transparency, and safety practices vary significantly between brands and products. The most reliable way to evaluate any supplement is to check for third-party testing certifications, review the full ingredient list and dosages, and research the brand's regulatory track record. GoodSupp's database of over 250,000 analyzed products provides independent quality scores, ingredient safety ratings, and brand trust reports to help you make evidence-based decisions.

How much vitamin d3 per day for a woman?

The optimal dosage depends on your individual health needs, age, sex, and current nutrient levels. Recommended daily amounts are established by health authorities but may vary from therapeutic doses used in clinical research. It's important to check the Supplement Facts label for the exact amount per serving and compare it against the % Daily Value. Some supplements provide mega-doses well above the Daily Value, which may not be necessary and in some cases could be harmful — particularly for fat-soluble vitamins (A, D, E, K) that accumulate in the body. GoodSupp's efficacy analysis evaluates whether a product's dosages align with clinically studied amounts. Always consult your healthcare provider for personalized dosage recommendations.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.