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Vitamin B-2 400 mg

Best Naturals
4.8
★ ★ ★ ★ ★
(299 ratings)
Riboflavin 400 mg
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Score95

A high-dose 400 mg riboflavin capsule designed for intensive therapeutic metabolic support.

How scoring works
Quantity:120 Capsule(s) • (120 servings)
Goals:

Score 95

A high-dose 400 mg riboflavin capsule designed for intensive therapeutic metabolic support.

How scoring works
$15.05($0.12 per serving)
iHerb
$ 15.05
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Analysis

Each capsule delivers 400 mg of riboflavin, targeting specific high-level metabolic and neurological needs. This potency is significantly above the daily value and is intended for intensive support. The capsule format allows for a clean delivery without the compression of tablets.

This product is a practical choice for someone who needs to maintain a very high riboflavin intake affordably. The 120-count bottle provides a four-month supply even at this strength. It is a reliable tool for focused nutritional goals.

Pros

  • Potent 400 mg therapeutic dose
  • Four-month supply per bottle
  • Competitive price for high potency
  • Clean capsule format

Cons

  • Dose is too high for the average user
  • Standard riboflavin form
  • May cause mild stomach upset if taken empty

Warnings

  • Use 400 mg daily only under professional guidance
  • Bright yellow urine is a normal side effect

Nutrient quality

91 Highest impact

High-potency 400 mg dosage targets specific and advanced mitochondrial support needs. Capsule format provides a straightforward and clean delivery of standard riboflavin for maximum impact.

Ingredient transparency

98 Highest impact

Labeling provides clear disclosure of the potent active amount and all included excipients. Simple naming conventions and clear serving instructions facilitate easy consumer evaluation.

Customer satisfaction

93 Highest impact

Consistently strong ratings suggest that users experience effective results with this high-potency formula. Review volume is sufficient to provide confidence in the product's quality and performance.

Value for money

95 Highest impact

High cost-to-potency ratio makes this one of the most economical therapeutic B2 options. Low price per serving provides significant savings for users requiring high daily doses.

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Ingredients

IngredientAmount per serving
Riboflavin (Vitamin B2)
400 mg
Gluten Free Adults 18–50 Dairy Free Sugar Free
Report overview
D- Active Ingredient Quality & BioavailabilityA+ Dose, Safety & Label TransparencyA+ Value
This high-dose riboflavin capsule offers a maximum therapeutic level of Vitamin B2 in a highly soluble format. It is exceptionally well-priced and delivers great bioavailability for targeted energy support.
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