| NRV | 1.4 mg |
|---|---|
| 15% NRV (minimum for most claims) | 0.21 mg |
| Example ingredient form | riboflavin or riboflavin 5′-phosphate |
| Authorised claims (examples) | 6 |
Showing Riboflavin in the nutrient table
Give the amount of Riboflavin per daily dose, in mg, and the %NRV. A daily dose of 1.4 mg works out as 1.4 ÷ 1.4 × 100 = 100% NRV. Check other doses with our %NRV calculator.
The nutrient table names the nutrient. The ingredients list names the form used, such as riboflavin.
Is there a maximum dose?
The UK has no legal maximum for riboflavin in food supplements. The Department of Health and Social Care advice, published on the NHS website, is: 40 mg or less a day from supplements is unlikely to cause harm.
Authorised health claims
These are examples of authorised claims on the GB nutrition and health claims register. Use them word for word or with wording that means exactly the same, and only when the daily dose provides at least 15% of the NRV (0.21 mg).
- “Riboflavin contributes to normal energy-yielding metabolism”
- “Riboflavin contributes to the maintenance of normal skin”
- “Riboflavin contributes to the maintenance of normal vision”
- “Riboflavin contributes to the maintenance of normal red blood cells”
- “Riboflavin contributes to the protection of cells from oxidative stress”
- “Riboflavin contributes to the reduction of tiredness and fatigue”
Check the full register entry before you print: some claims have extra conditions. See our health claims guide and how to check a claim on the register.
Labelling notes
Riboflavin (vitamin B2) can turn urine bright yellow. Some brands mention this to reassure customers.
Check before you print. Claims and dose advice are summarised from the GB nutrition and health claims register and the NHS vitamins and minerals pages, as of October 2026. Confirm your final wording against the register.