Source Naturals Prosta-Response supplement bottle
Source Naturals

Prosta-Response

What We Researched
29 active ingredients analyzed · 6 inactive ingredients decoded · 1 brand certification checked · 1 retailer compared · Last updated: Mar 2026
75
Product Score Fair
66
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Total Carbohydrates 1 g 1%
Vitamin C 1 mg 2%
Vitamin D3 (as Cholecalciferol) 400 IU 100%
Vitamin E (as D-Alpha-Tocopheryl Succinate) 200 IU 667%
Zinc (as Zinc Citrate, Zinc Monomethionine) 30 mg 200%
Selenium (as L-Selenomethionine, Sodium Selenite) 200 mcg 286%
Copper (as Copper Sebacate) 1 mg 50%
SoyLife Non-GMO Isoflavone Complex 1 g
Saw Palmetto berry extract 765 mg
Quercetin 300 mg
L-Alanine 150 mg
L-Glutamic Acid 150 mg
Glycine 150 mg
Swedish Flower pollen extract (as Alpha-Amino Acids) 150 mg
Phytosterol Complex 140 mg
Marshmallow Root Extract 130 mg
Stinging Nettle root extract 120 mg
Pumpkin seed oil extract 100 mg
Red Clover flowering tops extract 50 mg
Ginkgo leaf extract (as Flavone Glycosides, Terpene Lactones) 40 mg
Uva Ursi 40 mg
Goldenseal root extract 30 mg
Pygeum bark extract (as Sterols) 15 mg
Green Tea leaf extract (as EGCG, Polyphenols) 15 mg
Ginger 10 mg
Grape seed extract 10 mg
Lycopene 10 mg
Bioavailability Very Good

Absorption Rating

  • Total Carbohydrates Fair
  • Vitamin C Fair
  • Vitamin D3 (as Cholecalciferol) Good
  • Vitamin E (as D-Alpha-Tocopheryl Succinate) Good
  • Zinc (as Zinc Citrate, Zinc Monomethionine) Good
  • Selenium (as L-Selenomethionine, Sodium Selenite) Good
  • Copper (as Copper Sebacate) Fair
  • Saw Palmetto berry extract Poor
  • Quercetin Fair
  • L-Alanine Good
  • L-Glutamic Acid Fair
  • Glycine Good
  • Swedish Flower pollen extract (as Alpha-Amino Acids) Fair
  • Phytosterol Complex Good
  • Marshmallow Root Extract Good
  • Stinging Nettle root extract Good
  • Pumpkin seed oil extract Fair
  • Red Clover flowering tops extract Good
  • Ginkgo leaf extract (as Flavone Glycosides, Terpene Lactones) Poor
  • Uva Ursi Fair
  • Goldenseal root extract Good
  • Pygeum bark extract (as Sterols) Fair
  • Green Tea leaf extract (as EGCG, Polyphenols) Good
  • Ginger Good
  • Grape seed extract Good
  • Lycopene Good
Other Ingredients Excellent

Fillers & Additives

  • Microcrystalline Cellulose
  • Silica
  • Stearic Acid
  • Magnesium Stearate
  • Hydroxypropyl Cellulose
  • Modified Cellulose Gum
Efficacy Poor

Dosage Analysis

  • Vitamin C 1 mg Under-dosed
  • Vitamin D3 (as Cholecalciferol) 400 IU Under-dosed
  • Vitamin E (as D-Alpha-Tocopheryl Succinate) 200 IU Effective
  • Zinc (as Zinc Citrate, Zinc Monomethionine) 30 mg Effective
  • Selenium (as L-Selenomethionine, Sodium Selenite) 200 mcg Effective
  • Copper (as Copper Sebacate) 1 mg Effective
  • Saw Palmetto berry extract 765 mg High
  • Quercetin 300 mg Under-dosed
  • L-Glutamic Acid 150 mg Under-dosed
  • Glycine 150 mg Under-dosed
  • Swedish Flower pollen extract (as Alpha-Amino Acids) 150 mg Effective
  • Phytosterol Complex 140 mg Under-dosed
  • Marshmallow Root Extract 130 mg Under-dosed
  • Stinging Nettle root extract 120 mg Under-dosed
  • Pumpkin seed oil extract 100 mg Under-dosed
  • Red Clover flowering tops extract 50 mg Under-dosed
  • Ginkgo leaf extract (as Flavone Glycosides, Terpene Lactones) 40 mg Under-dosed
  • Uva Ursi 40 mg Under-dosed
  • Goldenseal root extract 30 mg Under-dosed
  • Pygeum bark extract (as Sterols) 15 mg Under-dosed
  • Green Tea leaf extract (as EGCG, Polyphenols) 15 mg Under-dosed
  • Ginger 10 mg Under-dosed
  • Grape seed extract 10 mg Under-dosed
  • Lycopene 10 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Calories 15 kcal
Total Carbohydrates 1 g 1%
Vitamin C 1 mg 2%
Vitamin D3 (as Cholecalciferol) 400 IU 100%
Vitamin E (as D-Alpha-Tocopheryl Succinate) 200 IU 667%
Zinc (as Zinc Citrate, Zinc Monomethionine) 30 mg 200%
Selenium (as L-Selenomethionine, Sodium Selenite) 200 mcg 286%
Copper (as Copper Sebacate) 1 mg 50%
Sodium 10 mg 1%
SoyLife Non-GMO Isoflavone Complex 1 g
Saw Palmetto berry extract 765 mg
Quercetin 300 mg
L-Alanine 150 mg
L-Glutamic Acid 150 mg
Glycine 150 mg
Swedish Flower pollen extract (as Alpha-Amino Acids) 150 mg
Phytosterol Complex 140 mg
Marshmallow Root Extract 130 mg
Stinging Nettle root extract 120 mg
Pumpkin seed oil extract 100 mg
Red Clover flowering tops extract 50 mg
Ginkgo leaf extract (as Flavone Glycosides, Terpene Lactones) 40 mg
Uva Ursi 40 mg
Goldenseal root extract 30 mg
Pygeum bark extract (as Sterols) 15 mg
Green Tea leaf extract (as EGCG, Polyphenols) 15 mg
Ginger 10 mg
Grape seed extract 10 mg
Lycopene 10 mg

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Microcrystalline Cellulose Safe

Adds bulk to small-dose supplements to make tablets/capsules a manageable size.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Hydroxypropyl Cellulose Safe

Binds tablet ingredients and can form tablet coatings.

Modified Cellulose Gum Generally_safe

It is used to improve the texture and stability of products.

Price Comparison

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

Brand Trust Report
Source Naturals

Founded 1982 · Scotts Valley, CA, USA · 837 products · sourcenaturals.com/

Certifications

1 certification
Fda Gmp Inspections Verified Source

Transparency

2 claims
Third Party Testing Claim — Claimed Source
In House Testing — Verified Source
Related Supplements
Frequently Asked Questions
Is Source Naturals Prosta-Response a good supplement?

Source Naturals Prosta-Response received a product quality score of 75/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 29 active ingredients with 15 servings per container. Of the 6 inactive ingredients, 5 are rated safe and 0 are flagged for review. The manufacturer, Source Naturals, holds a brand trust score of 66/100 with 1 verified certifications including Fda Gmp Inspections.

What are the ingredients in Source Naturals Prosta-Response?

Source Naturals Prosta-Response contains 29 active ingredients: Calories (15 kcal), Total Carbohydrates (1 g), Vitamin C (1 mg), Vitamin D3 (as Cholecalciferol) (400 IU), Vitamin E (as D-Alpha-Tocopheryl Succinate) (200 IU), Zinc (as Zinc Citrate, Zinc Monomethionine) (30 mg), and 23 more. Notable high-dose ingredients include Vitamin E at 667% DV, Selenium at 286% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Source Naturals Prosta-Response safe to take?

Source Naturals Prosta-Response has been analyzed for ingredient safety across all its components. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Source Naturals a trustworthy supplement brand?

Source Naturals receives a brand trust score of 66/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1982 and headquartered in Scotts Valley, CA, USA, the company offers 837 products in their lineup. They hold 1 verified certifications including Fda Gmp Inspections. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. No regulatory violations or FDA warning letters were found in our research.

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Disclaimer: GoodSupp provides independent supplement quality analysis for informational purposes only. Scores are generated algorithmically based on ingredient profiles, brand certifications, and public records. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Product data is sourced from manufacturer labels and public databases. GoodSupp is not affiliated with any supplement brand.