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Vitamin B2 (riboflavin)
Full ranking Dose tool Products (4,314)
Key facts
Daily Value (US FDA)1.3 mg
Tolerable Upper Intake Level (UL)—
Median（Per day）3.6 mgP5 0.25 – P95 60
Products4,314
Sources: https://ods.od.nih.gov/factsheets/Riboflavin-HealthProfessional/ · FDA DV 1.3 mg (https://www.fda.gov/food/nutrition-facts-label/daily-value-nutrition-and-supplement-facts-labels); pre-2016 DV [1.7] (https://www.federalregister.gov/documents/2016/05/27/2016-11867/food-labeling-revision-of-the-nutrition-and-supplement-facts-labels); no UL set; hard_high=1000 per serving (UL x10 or market maximum), hard_low=DV/1000
Daily dose across products（mg/day）
DV 1.3
0.043 mglog scale · n=4,314210 mg
Label data from official national databases and brand websites, as declared; not lab-verified.
Common forms
| Form | Products | Median | P5–P95 | Elemental fraction |
|---|---|---|---|---|
| Riboflavin | 3339 | 2.93 mg | 0.17 – 75 | — |
| Riboflavin 5-phosphate | 1048 | 5 mg | 0.43 – 50 | — |
Top ranked
| Rank | Brand | Product | Per day | Score |
|---|---|---|---|---|
| 1 | Nature's Bounty | B-2 100 mg | 100 mg | 88.0 |
| 1 | Swanson | Riboflavin 100 mg | 100 mg | 88.0 |
| 1 | Vitamin World | Vitamin B-2 100 mg | 100 mg | 88.0 |
| 1 | The Vitamin Shoppe | Vitamin B2 100 mg | 100 mg | 88.0 |
| 1 | Spring Valley | Vitamin B2 100 mg | 100 mg | 88.0 |
For information only; not medical advice. Talk to a doctor or pharmacist before starting or stopping any supplement.