Melatonin: authorised health claims in Great Britain
Register published 19 May 2026 · Last updated:
Short answer. There are 2 authorised health claims for Melatonin on the Great Britain nutrition and health claims register (published 19 May 2026). Each can be used only if your product meets its conditions of use, and in its authorised wording or wording with the same meaning.
The authorised claims, word for word
| Authorised claim | Conditions of use |
|---|---|
| Melatonin contributes to the alleviation of subjective feelings of jet lag | The claim may be used only for food which contains at least 0,5 mg of melatonin per quantified portion. In order to bear the claim, information shall be given to the consumer that the beneficial effect is obtained with a minimum intake of 0,5 mg to be taken close to bedtime on the first day of travel and on the following few days after arrival at the destination. |
| Melatonin contributes to the reduction of time taken to fall asleep | The claim may be used only for food which contains 1 mg of melatonin per quantified portion. In order to bear the claim, information shall be given to the consumer that the beneficial effect is obtained by consuming 1 mg of melatonin close to bedtime. |
The claims and conditions are copied from the register. Where the register contradicts itself and the correct reading is shown instead, our note beside the row says so. Check the register itself before you rely on a claim: it is updated from time to time.
Source
Great Britain nutrition and health claims (NHC) register, Department of Health and Social Care, published 19 May 2026. Contains public sector information licensed under the Open Government Licence v3.0.
Not legal advice. Last updated: 1 November 2026.