Forest Leaf Riboflavin Vitamin B2 Dietary Supplement, Easy to Swallow 400mg per Capsule supplement bottle
Forest Leaf

Riboflavin Vitamin B2 Dietary Supplement, Easy to Swallow 400mg per Capsule

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

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Riboflavin (Vitamin B2) 400.0 mg
Bioavailability Excellent

Absorption Rating

  • Riboflavin (Vitamin B2) Good
Other Ingredients Excellent

Fillers & Additives

  • Hypromellose (Capsule)
  • Microcrystalline Cellulose
  • Vegetable Magnesium Stearate and Silicon Dioxide
Efficacy Excellent

Dosage Analysis

  • Riboflavin (Vitamin B2) 400.0 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Riboflavin (Vitamin B2) 400.0 mg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Hypromellose (Capsule) Safe

It is used as a material for making vegetarian capsules.

Microcrystalline Cellulose Safe

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

Vegetable Magnesium Stearate and Silicon Dioxide Generally_safe

It is used to prevent ingredients from sticking to manufacturing equipment and improve powder flow.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$19$18$17$16$15 $16.95
Target

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

Brand Trust Report
Forest Leaf

Founded 2016 · Garden Grove, CA, USA (mailing address) & Brooklyn, NY, USA (returns address) · 31 products · forestleaf.com/

Transparency

1 claim
Third Party Testing Claim — Claimed Source
Related Supplements
Frequently Asked Questions
Is Forest Leaf Riboflavin Vitamin B2 Dietary Supplement, Easy to Swallow 400mg per Capsule a good supplement?

Forest Leaf Riboflavin Vitamin B2 Dietary Supplement, Easy to Swallow 400mg per Capsule 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 90 servings per container. Of the 3 inactive ingredients, 2 are rated safe and 0 are flagged for review.

What are the ingredients in Forest Leaf Riboflavin Vitamin B2 Dietary Supplement, Easy to Swallow 400mg per Capsule?

Forest Leaf Riboflavin Vitamin B2 Dietary Supplement, Easy to Swallow 400mg per Capsule contains 1 active ingredients: Riboflavin (Vitamin B2) (400.0 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Forest Leaf Riboflavin Vitamin B2 Dietary Supplement, Easy to Swallow 400mg per Capsule safe to take?

Forest Leaf Riboflavin Vitamin B2 Dietary Supplement, Easy to Swallow 400mg per Capsule has been analyzed for ingredient safety across all its components. 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.