PlainVitamins

Prosterin

by UniScience Group · other (e.g. tea bag) · 90 caplets

  • On the market (NIH)
  • DSLD label 240354
  • Serving 3 caplets
  • 30 servings

Prosterin by UniScience Group lists 13 ingredients, 13 with an amount per serving of 3 caplets, such as 600 mg of phytosterols, 150 mg of pumpkin extract, 135 mg of L-alanine and 100 mg of PomElla. Its current label entered the NIH Dietary Supplement Label Database on November 21, 2020.

What is in Prosterin?

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

Prosterin: Supplement Facts rows against the market (DSLD label 240354, January 2026 release)
IngredientAmount% DVAmong products listing it
Phytosterolsas natural Plant SourcesPhytosterols (Form: from natural Plant Sources)600 mgPhytosterols in Prosterin against 440 products600 mg per serving; the middle half of products list 100 mg to 667 mg, the median 400 mg.600 mg

Higher than 66% of 440 products listing phytosterols (median 400 mg).

Beta-Sitosterol275 mgBeta Sitosterol in Prosterin against 264 products275 mg per serving; the middle half of products list 50 mg to 221.25 mg, the median 100 mg.275 mg

Higher than 83% of 264 products listing beta sitosterol (median 100 mg).

Campesterol165 mgCampesterol in Prosterin against 34 products165 mg per serving; the middle half of products list 40.75 mg to 133 mg, the median 84.5 mg.165 mg

Higher than 79% of 34 products listing campesterol (median 84.5 mg).

Stigmasterol135 mgStigmasterol in Prosterin against 38 products135 mg per serving; the middle half of products list 40 mg to 100 mg, the median 66 mg.135 mg

Higher than 92% of 38 products listing stigmasterol (median 66 mg).

Brassicasterol25 mg
Pumpkin extract150 mgPumpkin in Prosterin against 294 products150 mg per serving; the middle half of products list 30 mg to 200 mg, the median 80 mg.150 mg

Higher than 68% of 294 products listing pumpkin (median 80 mg).

L-Alanine135 mgAlanine in Prosterin against 475 products135 mg per serving; the middle half of products list 100 mg to 972 mg, the median 483 mg.135 mg

71% of 475 products listing alanine give more (median 483 mg).

PomEllaas PunicalaginsPomElla (Form: standardized for 30% Punicalagins)100 mgPomegranate in Prosterin against 860 products100 mg per serving; the middle half of products list 12.5 mg to 250 mg, the median 70.5 mg.100 mg

Higher than 54% of 860 products listing pomegranate (median 70.5 mg).

Quercetin50 mgQuercetin in Prosterin against 1,548 products50 mg per serving; the middle half of products list 26.5 mg to 250 mg, the median 100 mg.50 mg

56% of 1,548 products listing quercetin give more (median 100 mg).

Stinging Nettle extractStinging Nettle extract PlantPart: root Note: 10:150 mgStinging Nettle in Prosterin against 710 products50 mg per serving; the middle half of products list 50 mg to 300 mg, the median 120 mg.50 mg

69% of 710 products listing stinging nettle give more (median 120 mg).

OptiZinc15 mg136%*Zinc in Prosterin against 13,186 products15 mg per serving; the middle half of products list 5 mg to 15 mg, the median 11 mg.DV 11 mgUL 40 mg15 mg

Higher than 56% of 13,186 products listing zinc (median 11 mg).

Lycopeneas Lycopene powderLycopene (Form: 50 mg Lycopene powder Note: 10% activity)5 mgLycopene in Prosterin against 1,691 products5 mg per serving; the middle half of products list 0.5 mg to 5 mg, the median 1.2 mg.5 mg

Higher than 73% of 1,691 products listing lycopene (median 1.2 mg).

Black Pepper extract5 mgBlack Pepper in Prosterin against 2,363 products5 mg per serving; the middle half of products list 5 mg to 10 mg, the median 5 mg.5 mg

33% of 2,363 products listing black pepper give more (median 5 mg).

* % Daily Value computed from the printed amount and the FDA Daily Value (21 CFR 101.9); the label prints none for that row.

Source: NIH ODS Dietary Supplement Label Database, label 240354 (entered November 21, 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?

The rows in the top or bottom tenth of the products that list the same ingredient, and any above the adult upper limit at the most servings a day the directions give:

  • Its 135 mg of stigmasterol is higher than 92% of the 38 stigmasterol products that print an amount; 2 list more.

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 Prosterin'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 else is on the label?

Other ingredients: Microcrystalline Cellulose, Calcium Sulfate, Stearic Acid, Croscarmellose Sodium, Magnesium Stearate, Silicon Dioxide, Shellac.

How many labels does Prosterin have?

One label is on file, entered on November 21, 2020.

  1. Label 240354 (current) Entered November 21, 2020 · on the market · 90 caplets

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

Who makes it?

The label names UniScience Group (manufacturer). All UniScience Group products.

Where next?