PlainVitamins

Tribulus Formula

by Pure Encapsulations · capsule · 90 capsules

  • On the market (NIH)
  • UPC 7 66298 01475 3
  • DSLD label 278372
  • Serving 3 capsules
  • 30 servings

Tribulus Formula by Pure Encapsulations lists 4 ingredients, 4 with an amount per serving of 3 capsules, such as 250 mg of tribulus fruit extract, 1,000 mg of D-aspartic acid, 100 mg of chrysin and 50 mg of hesperetin. Its current label entered the NIH Dietary Supplement Label Database on January 23, 2023.

What is in Tribulus Formula?

Each row as the label prints it, per serving of 3 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).

Tribulus Formula: Supplement Facts rows against the market (DSLD label 278372, January 2026 release)
IngredientAmount% DVAmong products listing it
Tribulus Fruit Extractas ProtodioscinTribulus (Tribulus terrestris) extract (Form: standardized to contain 20% Protodioscin) PlantPart: fruit Genus: Tribulus Species: terrestris250 mgTribulus in Tribulus Formula against 555 products250 mg per serving; the middle half of products list 100 mg to 750 mg, the median 300 mg.250 mg

51% of 555 products listing tribulus give more (median 300 mg). Per day at the most servings: 500 mg.

D-Aspartic Acid1,000 mgD-Aspartic Acid in Tribulus Formula against 134 products1 g per serving; the middle half of products list 1 g to 3 g, the median 2.3 g.1 g

71% of 134 products listing D-aspartic acid give more (median 2.3 g). Per day at the most servings: 2 g.

Chrysin100 mgChrysin in Tribulus Formula against 78 products100 mg per serving; the middle half of products list 75 mg to 200 mg, the median 100 mg.100 mg

37% of 78 products listing chrysin give more (median 100 mg). Per day at the most servings: 200 mg.

Hesperetin50 mgHesperidin in Tribulus Formula against 552 products50 mg per serving; the middle half of products list 10 mg to 50 mg, the median 20 mg.50 mg

Higher than 67% of 552 products listing hesperidin (median 20 mg). Per day at the most servings: 100 mg.

Source: NIH ODS Dietary Supplement Label Database, label 278372 (entered January 23, 2023), version 9.4.0. See the label on DSLD or its label image (PDF). 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?

The products whose ingredient lists overlap most with Tribulus Formula's, rare ingredients counting for more.

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
Recommendations: As a dietary supplement, take 3 capsules, 1-2 times daily, between meals.
Warnings
Warning: Not to be taken by pregnant or lactating women. If you have any health condition or are taking any medication, consult your health professional before use.
Keep out of the reach of children.
Use only if safety seal is intact.
Allergens and what it does not contain
Gluten-free, Non-GMO & Hypoallergenic
Storage
Store in a cool, dry place.

Source: label statements in DSLD label 278372.

What else is on the label?

Other ingredients: hypoallergenic Plant Fiber, Vegetarian Capsule, Ascorbyl Palmitate.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Certified Gluten-free by the Gluten-free Certification Organization, www.gluten.org GFCO.org. Listed with: Certified gluten-free (GFCO) (a seal is the label's claim; the certifier's own list confirms it).

How many labels does Tribulus Formula have?

3 labels are on file under this name since February 25, 2019: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 278372 (current) Entered January 23, 2023 · on the market · 90 capsules · UPC 7 66298 01475 3
  2. Label 219338 Entered April 23, 2020 · off the market December 6, 2018 · 90 capsules · UPC 7 66298 01475 3
  3. Label 184937 Entered February 25, 2019 · off the market March 22, 2022 · 90 capsules · UPC 7 66298 01475 3

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

Who makes it?

The label names Pure Encapsulations (manufacturer), Sudbury, MA. All Pure Encapsulations products.

Where next?