PlainVitamins

Longevity XR

by U.S. Longevity Institute · capsule · 60 veg capsules

  • Off the market since October 2024 (NIH)
  • DSLD label 228457
  • Serving 2 vegetarian capsules
  • 30 servings

Longevity XR by U.S. Longevity Institute lists 6 ingredients, 6 with an amount per serving of 2 vegetarian capsules, such as 200 mg of red wine extract, 200 mg of polygonum cuspidatum extract, 200 mg of green tea extract and 100 mg of grape seed extract. Its current label entered the NIH Dietary Supplement Label Database on June 24, 2020.

What is in Longevity XR?

Each row as the label prints it, per serving of 2 vegetarian capsules. 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).

Longevity XR: Supplement Facts rows against the market (DSLD label 228457, January 2026 release)
IngredientAmount% DVAmong products listing it
Red Wine extractas PolyphenolsRed Wine extract (Form: standardized for Polyphenols) PlantPart: fruit Genus: Vitis Species: vinifera Note: alcohol-free200 mgRed Wine in Longevity XR against 115 products200 mg per serving; the middle half of products list 25 mg to 90 mg, the median 25 mg.200 mg

Higher than 84% of 115 products listing red wine (median 25 mg).

Polygonum cuspidatum extract200 mgHu Zhang in Longevity XR against 269 products200 mg per serving; the middle half of products list 50 mg to 400 mg, the median 150 mg.200 mg

Higher than 54% of 269 products listing hu zhang (median 150 mg).

natural Trans-Resveratrol100 mgResveratrol in Longevity XR against 1,123 products100 mg per serving; the middle half of products list 20 mg to 125 mg, the median 50 mg.100 mg

Higher than 59% of 1,123 products listing resveratrol (median 50 mg).

Green Tea extractas CatechinsGreen Tea extract (Form: min. 70% Catechins) PlantPart: leaf Genus: Camellia Species: sinensis200 mgGreen Tea in Longevity XR against 2,595 products200 mg per serving; the middle half of products list 50 mg to 250 mg, the median 100 mg.200 mg

Higher than 63% of 2,595 products listing green tea (median 100 mg).

natural Caffeine<= 14 mg
Grape seed extractas PolyphenolsGrape seed extract (Form: standardized for Polyphenols) PlantPart: seed Genus: Vitis Species: vinifera100 mgGrape in Longevity XR against 1,900 products100 mg per serving; the middle half of products list 25 mg to 100 mg, the median 50 mg.100 mg

Higher than 58% of 1,900 products listing grape (median 50 mg).

Source: NIH ODS Dietary Supplement Label Database, label 228457 (entered June 24, 2020), 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 one serving 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?

3 products list the very same ingredients; the nearest amounts come first.

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 2 capsule daily.
Warnings
Caution: For adults only.
Resveratrol may interact with many pharmaceutical medications (especially 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 a GMP facility that processes other ingredients containing these allergens.
Allergens and what it does not contain
Not manufactured with wheat, gluten, soy, milk, egg, fish, shellfish or tree nut ingredients.
Non-GMO
Storage
Store in a cool, dry place after opening.

Source: label statements in DSLD label 228457.

What else is on the label?

Other ingredients: Cellulose, Cellulose powder, Magnesium Stearate, Silica.

How many labels does Longevity XR have?

One label is on file, entered on June 24, 2020.

  1. Label 228457 (current) Entered June 24, 2020 · off the market October 31, 2024 · 60 veg capsules

Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).

Who makes it?

The label names U.S. Longevity Institute (distributor), Mechanicsburg, PA. All U.S. Longevity Institute products.

Where next?