Legal status by country
Is NRPT legal?
Written by Aaron CuhaReviewed Sep 2026
How NRPT is classified in the United States, United Kingdom, Australia and Canada, side by side. Each country has its own page with a direct answer, the regulator's approval status and what the classification means in practice.
All four countries, side by side
| Attribute | United States · FDA | United Kingdom · MHRA | Australia · TGA | Canada · Health Canada |
|---|---|---|---|---|
| Status | Not approved | Not approved | Not approved | Not approved |
| Classification | Sold as a supplement | Sold as a supplement | Available as a supplement / complementary medicine | Sold as a supplement |
| Note | Marketed as a dietary supplement. The published trials are supplement trials, not drug trials, and no health claim has been authorised. | Sold as a supplement. Nicotinamide riboside has been through novel food authorisation in the EU and UK. | Available as a complementary medicine. No registered therapeutic indication. | Sold as a natural health product. No approved therapeutic claim. |
US FDA status: Sold as a dietary supplement in the United States. Not approved as a drug for any indication. Nicotinamide riboside chloride has New Dietary Ingredient notifications on file and is generally recognised as safe for certain uses; pterostilbene is also marketed as a dietary ingredient.. Reviewed Sep 2026.
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General information current as of Sep 2026, not legal advice. Classifications change; confirm with the regulator or a lawyer for a specific situation. Educational use only. This database summarizes published research. It is not medical advice and contains no dosing protocols or recommendations for personal use. The Longevity Archive has no vendor relationships.