Legal status by country
Is NAC legal?
AntioxidantEvidence: Strong
How NACis 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.
| Country | Status | Classification | Note | Detail |
|---|---|---|---|---|
| United StatesFDA | Approved medicine | FDA-approved drug and sold as a supplement | Is NAC legal in the United States? | |
| United KingdomMHRA | Approved medicine | Licensed medicine and supplement | Is NAC legal in the United Kingdom? | |
| AustraliaTGA | Approved medicine | Approved medicine | Is NAC legal in Australia? | |
| CanadaHealth Canada | Approved medicine | Approved medicine and supplement | Is NAC legal in Canada? |
US FDA status: FDA-approved (mucolytic; acetaminophen overdose antidote); also sold as a supplement. 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.