Pterostilbene & Resveratrol 50 mg/250 mg
by NOW · capsule · 60 veg capsules
- On the market (NIH)
- UPC 7 33739 03357 4
- DSLD label 77823
- Serving 1 veg capsule
Pterostilbene & Resveratrol 50 mg/250 mg by NOW lists 2 ingredients, 2 with an amount per serving of 1 veg capsule, such as 50 mg of trans-pterostilbene and 500 mg of polygonum cuspidatum extract. Its current label entered the NIH Dietary Supplement Label Database on January 25, 2018.
What is in Pterostilbene & Resveratrol 50 mg/250 mg?
Each row as the label prints it, per serving of 1 veg capsule. The capsule beside an amount places it among every product in the NIH database that lists the same ingredient: the bar is the middle half of their amounts, the line in it the median, the whiskers the 10th and 90th percentiles; the green tick is the FDA Daily Value and the red dashed tick the adult upper limit (IOM).
| Ingredient | Amount | % DV | Among products listing it |
|---|---|---|---|
| Trans-Pterostilbene | 50 mg | 30% of 115 products listing pterostilbene give more (median 50 mg). Per day at the most servings: 100 mg. | |
| Polygonum cuspidatum extractas Natural Trans-ResveratrolPolygonum cuspidatum extract (Form: 50% Natural Trans-Resveratrol Note: 250 mg) (Alt. Name: Japanese Knotweed) PlantPart: root/rhizome Genus: Polygonum Species: cuspidatum | 500 mg | Higher than 80% of 269 products listing hu zhang (median 150 mg). Per day at the most servings: 1,000 mg. |
Source: NIH ODS Dietary Supplement Label Database, label 77823 (entered January 25, 2018), version 9.4.0. See the label on DSLD. Amounts are what the maker printed; DSLD does not test products. Daily Values: the FDA's Daily Value page.
Is that a lot?
Every amount on this label with a position sits within the middle 80% of the products that list the same ingredient.
The NIH database records 1 to 2 servings a day from the label's directions; its % Daily Values are for adults and children 4 or more years of age. The directions as printed are further down this page.
The Tolerable Upper Intake Level is the most of a nutrient per day, from food, water and supplements together, that is likely to pose no risk for almost all adults (Institute of Medicine, 2011). It does not apply under medical supervision. This page compares labels; it is not medical advice.
Sources: amounts from the DSLD label; Daily Values from 21 CFR 101.9(c)(8)(iv); adult upper limits from the Institute of Medicine's DRI summary tables (2011). How positions are computed.
Which products have the closest formulas?
1 product lists the very same ingredients; the nearest amounts come first.
- Pterostilbene & Resveratrol 50 mg / 250 mgProtocol For Life Balance same ingredients
- PterostilbeneIndiana Botanic Gardens 1 shared, 55% alike
- Ptero-BBronson Laboratories 1 shared, 55% alike
- PteroActivBiotivia 1 shared, 55% alike
- Trans-PterostilbeneJarrow Formulas · off the market 1 shared, 55% alike
- pTeroPure Pterostilbene 50 mgSwanson Ultra · off the market 1 shared, 55% alike
Source: ingredient lists of every product's current label in DSLD (version 9.4.0); similarity weights each shared ingredient by how rare it is.
What does the label say about taking it?
Quoted from the label as DSLD transcribed it: the maker's words, including any claim about what the product does, which the FDA has not evaluated and PlainVitamins does not endorse.
- Directions
- Suggested Usage: Take 1 capsule 1 to 2 times daily.
- Warnings
- Caution: For adults only.
- Resveratrol may interact with many pharmaceutical medications (especially anticonvulsants and NSAIDs, including diclofenac). Consult physician if pregnant/nursing, taking medication, or have a medical condition before using this product.
- This product may cause digestive upset in some sensitive individuals. If you experience any gastrointestinal discomfort after using this product, discontinue use.
- Keep out of reach of children.
- Not manufactured with wheat, gluten, soy, milk, egg, fish, shellfish or tree nut ingredients. Produced in GMP facility that processes other ingredients containing these allergens.
- Allergens and what it does not contain
- Non-GMO
- Not manufactured with wheat, gluten, soy, milk, egg, fish, shellfish or tree nut ingredients.
- Storage
- Store in a cool, dry place after opening.
Source: label statements in DSLD label 77823.
What else is on the label?
Other ingredients: Cellulose, Cellulose powder, Silica, Stearic Acid.
Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): GMP Quality Assured.
How many labels does Pterostilbene & Resveratrol 50 mg/250 mg have?
4 labels are on file under this name since December 24, 2013: other sizes, label designs and reformulations. The current one leads this page.
- Label 77823 (current) Entered January 25, 2018 · on the market · 60 veg capsules · UPC 7 33739 03357 4
- Label 55959 Entered January 25, 2016 · off the market June 22, 2017 · 60 veg capsules · UPC 7 33739 03357 4
- Label 37115 Entered October 10, 2014 · off the market November 24, 2015 · 60 veg capsules · UPC 7 33739 03357 4
- Label 28866 Entered December 24, 2013 · off the market July 2, 2014 · 60 veg capsules · UPC 7 33739 03357 4
Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).
Who makes it?
The label names NOW Foods (manufacturer), Bloomingdale, IL. All NOW products.