Legal status · United States
Is Pterostilbene legal in the United States?
Written by Aaron CuhaReviewed Sep 2026
Direct answer
Pterostilbene can be sold in the United States as a supplement or cosmetic ingredient, classified as "Sold as a supplement". That is not drug approval: FDA has not evaluated any health claim, and injectable or "research use only" versions fall outside supplement rules, so that label does not make human use lawful. On the evidence, 2 human studies are cited on its profile.
Pterostilbene in the United States at a glance
| Classification | Sold as a supplement |
|---|---|
| Note | Sold as a dietary supplement. No approved indication. The one randomised human trial reported an LDL cholesterol rise of 17.1 mg/dL at 250 mg a day. |
| FDA approval status | Not an approved drug. Sold as a dietary supplement, frequently bundled with nicotinamide riboside or resveratrol in longevity formulations. |
| Human studies cited | 2 of 4 citations on the profile |
| Reviewed | Sep 2026 |
Classification and note come from the Pterostilbene profile, checked against U.S. Food and Drug Administration (FDA) listings at the reviewed date.
What this means
- 01
Pterostilbene can be sold in the United States as a supplement, food or cosmetic ingredient under the classification above, without drug approval.
- 02
Supplement status means FDA has not evaluated any health claim; manufacturers are responsible for safety and labeling, and quality varies by product.
- 03
Injectable or "research use only" versions are not supplements. That label does not make human use lawful, and injectables fall under medicines rules.
What Pterostilbene is
One randomised human trial, 80 adults with raised cholesterol. At 250 mg a day it lowered systolic blood pressure by 7.8 mmHg and raised LDL cholesterol by 17.1 mg/dL in the same people. No human trial has measured an ageing endpoint of any kind.
Pterostilbene is sold as the better resveratrol, and on one narrow measure that claim is defensible. In rats given equimolar oral doses, resveratrol was about 20 percent bioavailable and pterostilbene about 80 percent, because replacing two hydroxyl groups with methoxy groups slows the glucuronidation that destroys resveratrol on its first pass through the liver.
Mechanism: Structurally, resveratrol with two of its three hydroxyl groups replaced by methoxy groups. That change makes the molecule more lipophilic and a much poorer substrate for the phase 2 conjugation enzymes that clear resveratrol, which is the entire pharmacokinetic argument for it.
Regulatory history: Not an approved drug. Sold as a dietary supplement, frequently bundled with nicotinamide riboside or resveratrol in longevity formulations.
How FDA treats this kind of product
Approves prescription drugs by indication and polices unapproved products, including peptides sold online. Compounding pharmacies may prepare some compounds under a prescription when the FDA places them on a permitted bulk-substances category.
The classification above is the The Longevity Archive reading of U.S. Food and Drug Administration listings for Pterostilbene at the reviewed date, not a legal opinion. Rules change, and importing, prescribing and possessing a compound can each be treated differently. Check the regulator directly before acting on anything here.
Pterostilbene in other countries
Frequently asked questions
Is Pterostilbene legal in the United States?
Pterostilbene can be sold in the United States as a supplement or cosmetic ingredient, classified as "Sold as a supplement". That is not drug approval: FDA has not evaluated any health claim, and injectable or "research use only" versions fall outside supplement rules, so that label does not make human use lawful. On the evidence, 2 human studies are cited on its profile. Note: Sold as a dietary supplement. No approved indication. The one randomised human trial reported an LDL cholesterol rise of 17.1 mg/dL at 250 mg a day.
Can I buy Pterostilbene in the United States?
Yes, in supplement or cosmetic form. In the United States Pterostilbene is classified as "Sold as a supplement", so oral, topical or cosmetic products can be sold under supplement rules. Injectable versions and products labeled "research use only" are not supplements and are not approved for human use. Note: Sold as a dietary supplement. No approved indication. The one randomised human trial reported an LDL cholesterol rise of 17.1 mg/dL at 250 mg a day.
Is Pterostilbene FDA approved?
No. FDA status: Not an approved drug. Sold as a dietary supplement, frequently bundled with nicotinamide riboside or resveratrol in longevity formulations.. Current US classification: "Sold as a supplement". On the evidence, 2 human studies are cited on its profile.
Related compounds in the United States
Full research profile
Mechanism, cited studies, FDA status and the full legal summary for Pterostilbene live on its compound profile.
Pterostilbene profileThis page is general information about the regulatory status of Pterostilbene in the United States, current as of Sep 2026. It is not legal advice, and classifications change; check U.S. Food and Drug Administration directly or consult 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 and does not recommend where to buy anything.