PlainVitamins

Prosta-Strong

by Irwin Naturals · softgel capsule · 180 liquid softgels

  • On the market (NIH)
  • UPC 7 10363 57829 9
  • DSLD label 292086
  • Serving 4 liquid softgels
  • 45 servings

Prosta-Strong by Irwin Naturals lists 14 ingredients, 12 with an amount per serving of 4 liquid softgels, such as 0.7 mcg (28 IU) of vitamin D, 11 mg of zinc, 2,028 mg of fish oil and 320 mg of saw palmetto extract; 2 sit inside a blend without their own amounts, beside 5 Nutrition Facts rows (calories, fat and the like). Its current label entered the NIH Dietary Supplement Label Database on July 18, 2023.

What is in Prosta-Strong?

Each row as the label prints it, per serving of 4 liquid softgels. 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).

Prosta-Strong: Supplement Facts rows against the market (DSLD label 292086, January 2026 release)
IngredientAmount% DVAmong products listing it
Calories30 Calories
Total Fat2.5 g3%Fat (unspecified) in Prosta-Strong against 11,965 products2.5 g per serving; the middle half of products list 1 g to 2.5 g, the median 1.5 g.2.5 g

Higher than 70% of 11,965 products listing fat (unspecified) (median 1.5 g).

Saturated Fat0.5 g4%Saturated fat in Prosta-Strong against 5,234 products0.5 g per serving; the middle half of products list 0.5 g to 1.5 g, the median 1 g.0.5 g

66% of 5,234 products listing saturated fat give more (median 1 g).

Cholesterol10 mg3%Cholesterol in Prosta-Strong against 5,275 products10 mg per serving; the middle half of products list 5 mg to 45 mg, the median 15 mg.10 mg

56% of 5,275 products listing cholesterol give more (median 15 mg).

Total Carbohydrates1 g1%Carbohydrate in Prosta-Strong against 21,979 products1 g per serving; the middle half of products list 1 g to 6 g, the median 3 g.1 g

74% of 21,979 products listing carbohydrate give more (median 3 g).

Protein1 gProtein in Prosta-Strong against 8,985 products1 g per serving; the middle half of products list 2 g to 24 g, the median 16 g.1 g

77% of 8,985 products listing protein give more (median 16 g).

Vitamin D0.7 mcg (28 IU)3%Vitamin D in Prosta-Strong against 14,175 products0.7 mcg per serving; the middle half of products list 10 mcg to 25 mcg, the median 15 mcg.DV 20 mcgUL 100 mcg0.7 mcg

over 99% of 14,175 products listing vitamin D give more (median 15 mcg).

Zincas Zinc PicolinateZinc (Form: as Zinc Picolinate)11 mg100%Zinc in Prosta-Strong against 13,186 products11 mg per serving; the middle half of products list 5 mg to 15 mg, the median 11 mg.DV 11 mgUL 40 mg11 mg

47% of 13,186 products listing zinc give more (median 11 mg).

Fish Oilas Omega-3 Fatty Acids30% omega-3 fatty acids, 608.4 mg2,028 mgFish Oil in Prosta-Strong against 1,990 products2.03 g per serving; the middle half of products list 1 g to 2 g, the median 1.2 g.2.03 g

Higher than 84% of 1,990 products listing fish oil (median 1.2 g).

Saw Palmetto Extractas Fatty Acids85% fatty acids, 272 mg320 mgSaw Palmetto in Prosta-Strong against 1,109 products320 mg per serving; the middle half of products list 100 mg to 320 mg, the median 200 mg.320 mg

Higher than 65% of 1,109 products listing saw palmetto (median 200 mg).

Graminex flower Pollen (Lolium perenne) extract200 mg
Quercetin200 mgQuercetin in Prosta-Strong against 1,548 products200 mg per serving; the middle half of products list 26.5 mg to 250 mg, the median 100 mg.200 mg

Higher than 66% of 1,548 products listing quercetin (median 100 mg).

Stinging Nettle extractStinging Nettle extract PlantPart: leaf Note: 5:1100 mgStinging Nettle in Prosta-Strong against 710 products100 mg per serving; the middle half of products list 50 mg to 300 mg, the median 120 mg.100 mg

51% of 710 products listing stinging nettle give more (median 120 mg).

Pygeum Bark Extractas Phytosterols13% phytosterols, 6.5 mg50 mgPygeum in Prosta-Strong against 326 products50 mg per serving; the middle half of products list 33.72 mg to 120 mg, the median 100 mg.50 mg

57% of 326 products listing pygeum give more (median 100 mg).

Green Tea Leaf Extractas Polyphenols50% polyphenols, 20 mg40 mgGreen Tea in Prosta-Strong against 2,595 products40 mg per serving; the middle half of products list 50 mg to 250 mg, the median 100 mg.40 mg

82% of 2,595 products listing green tea give more (median 100 mg).

Pumpkin Seed Extractas Fatty Acids25% fatty acids, 6 mg24 mgPumpkin in Prosta-Strong against 294 products24 mg per serving; the middle half of products list 30 mg to 200 mg, the median 80 mg.24 mg

82% of 294 products listing pumpkin give more (median 80 mg).

Lyc-O-Mato Tomato extractas Lycopene6% lycopene, 1.2 mg20 mgTomato in Prosta-Strong against 236 products20 mg per serving; the middle half of products list 10.75 mg to 100 mg, the median 31.5 mg.20 mg

59% of 236 products listing tomato give more (median 31.5 mg).

Beta-Sitosterol6 mgBeta Sitosterol in Prosta-Strong against 264 products6 mg per serving; the middle half of products list 50 mg to 221.25 mg, the median 100 mg.6 mg

97% of 264 products listing beta sitosterol give more (median 100 mg).

BioPerine Complex6 mg
Bioperine Black Pepper extractas PiperineBioperine Black Pepper extract (Form: 95% Piperine) PlantPart: fruitin the blend, no amount given
Ginger extractas GingerolsGinger extract (Form: 5% Gingerols) PlantPart: rhizomein the blend, no amount given

Source: NIH ODS Dietary Supplement Label Database, label 292086 (entered July 18, 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?

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:

  • over 99% of the 14,175 products that print an amount of vitamin D list more than its 0.7 mcg (28 IU) of vitamin D (median 15 mcg (600 IU)).
  • 97% of the 264 products that print an amount of beta sitosterol list more than its 6 mg of beta-sitosterol (filed by NIH under beta sitosterol) (median 100 mg).

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?

The products whose ingredient lists overlap most with Prosta-Strong'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
Directions: (Adult) Take four (4) Liquid Soft-Gels per day with meals and a full glass (8oz) of water. May be taken all at once or divided throughout the day.
Warnings
Usage Warnings: Do not use if safety seal is broken.
Check with your doctor before using this product if you are using medication or have any medical conditions, including heart disease, high blood pressure and hormone-sensitive conditions. Do not use if you may become pregnant, are pregnant or nursing.
Do not exceed recommended daily intake.
Not intended for use by persons under 18. Keep out of reach of children.
Warning: (State of California Prop 65) This product contains a chemical known to the State of California to cause birth defects or other reproductive harm.
Contains: Fish (anchovy, sardine), Soy
Allergens and what it does not contain
No preservatives added.
Storage
Store in a cool, dry place.

Source: label statements in DSLD label 292086.

What else is on the label?

Other ingredients: Gelatin, purified Water, Glycerin, Soy Lecithin, Beeswax, Titanium Dioxide, Maltodextrin, Sodium Copper Chlorophyllin.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Pass Quality Tested Guaranteed.

How many labels does Prosta-Strong have?

8 labels are on file under this name since April 24, 2015: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 292086 (current) Entered July 18, 2023 · on the market · 180 liquid softgels · UPC 7 10363 57829 9
  2. Label 276713 Entered September 22, 2022 · off the market November 15, 2021 · 180 liquid softgels · UPC 7 10363 57829 9
  3. Label 256402 Entered October 22, 2021 · on the market · 180 liquid softgels · UPC 7 10363 57829 9
  4. Label 256394 Entered October 22, 2021 · on the market · 90 liquid softgels · UPC 7 10363 26245 7
  5. Label 57639 Entered March 24, 2016 · off the market July 7, 2021 · 180 liquid softgels · UPC 7 10363 57829 9
  6. Label 57342 Entered March 24, 2016 · off the market July 7, 2021 · 90 liquid softgels · UPC 7 10363 26245 7
  7. Label 44805 Entered April 24, 2015 · off the market August 4, 2015 · 180 liquid softgels · UPC 7 10363 57829 9
  8. Label 44779 Entered April 24, 2015 · off the market August 4, 2015 · 90 liquid softgels · UPC 7 10363 26245 7

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

Who makes it?

The label names Irwin Naturals (manufacturer, distributor), Los Angeles, CA. All Irwin Naturals products.

Where next?