Source Naturals Prosta-Response supplement bottle
Source Naturals

Prosta-Response

What We Researched
28 active ingredients analyzed · 7 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 4 g 1%
Vitamin D3 (as Cholecalciferol) 63 mcg 313%
Vitamin E (as D-Alpha-Tocopheryl Succinate) 147 mg 983%
Zinc (as OptiZinc, Zinc Citrate) 28 mg 255%
Selenium (as L-Selenomethionine, Sodium Selenite) 175 mcg 318%
Copper (as Copper Sebacic Acid Complex) 1 mg 111%
SoyLife Non-GMO Isoflavone Complex 1 g
Saw Palmetto berry extract 800 mg
Phytosterol Complex 314 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
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
Oregon Grape 30 mg
Pygeum bark extract (as Sterols) 15 mg
Green Tea Leaf Extract 15 mg
Ginger 10 mg
Proanthodyn (as Grape seed extract) 10 mg
Lycopene 10 mg
Bioavailability Good

Absorption Rating

  • Total Carbohydrates Fair
  • Vitamin D3 (as Cholecalciferol) Good
  • Vitamin E (as D-Alpha-Tocopheryl Succinate) Good
  • Zinc (as OptiZinc, Zinc Citrate) Good
  • Selenium (as L-Selenomethionine, Sodium Selenite) Good
  • Copper (as Copper Sebacic Acid Complex) Fair
  • Saw Palmetto berry extract Poor
  • Phytosterol Complex Good
  • Quercetin Fair
  • L-Alanine Good
  • L-Glutamic Acid Fair
  • Glycine Good
  • Swedish Flower pollen extract (as Alpha-Amino Acids) Fair
  • 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
  • Oregon Grape Poor
  • Pygeum bark extract (as Sterols) Fair
  • Green Tea Leaf Extract Good
  • Ginger Good
  • Proanthodyn (as Grape seed extract) Fair
  • Lycopene Good
Other Ingredients Excellent

Fillers & Additives

  • Microcrystalline Cellulose
  • Hydroxypropylcellulose
  • Dibasic Calcium Phosphate
  • Silica
  • Stearic Acid
  • Modified Cellulose Gum
  • Magnesium Stearate
Efficacy Poor

Dosage Analysis

  • Vitamin D3 (as Cholecalciferol) 63 mcg Effective
  • Vitamin E (as D-Alpha-Tocopheryl Succinate) 147 mg Effective
  • Zinc (as OptiZinc, Zinc Citrate) 28 mg Effective
  • Selenium (as L-Selenomethionine, Sodium Selenite) 175 mcg Effective
  • Copper (as Copper Sebacic Acid Complex) 1 mg Effective
  • Saw Palmetto berry extract 800 mg High
  • Phytosterol Complex 314 mg Under-dosed
  • 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
  • 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
  • Oregon Grape 30 mg Under-dosed
  • Pygeum bark extract (as Sterols) 15 mg Under-dosed
  • Green Tea Leaf Extract 15 mg Under-dosed
  • Ginger 10 mg Under-dosed
  • Proanthodyn (as Grape seed extract) 10 mg Under-dosed
  • Lycopene 10 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Calories 22 kcal
Total Carbohydrates 4 g 1%
Vitamin D3 (as Cholecalciferol) 63 mcg 313%
Vitamin E (as D-Alpha-Tocopheryl Succinate) 147 mg 983%
Zinc (as OptiZinc, Zinc Citrate) 28 mg 255%
Selenium (as L-Selenomethionine, Sodium Selenite) 175 mcg 318%
Copper (as Copper Sebacic Acid Complex) 1 mg 111%
Sodium 11 mg 1%
SoyLife Non-GMO Isoflavone Complex 1 g
Saw Palmetto berry extract 800 mg
Phytosterol Complex 314 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
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
Oregon Grape 30 mg
Pygeum bark extract (as Sterols) 15 mg
Green Tea Leaf Extract 15 mg
Ginger 10 mg
Proanthodyn (as 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.

Hydroxypropylcellulose Generally_safe

It is added to bind ingredients together and provide a smooth coating.

Dibasic Calcium Phosphate Generally_safe

It is used as a filler and to improve tablet hardness.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Modified Cellulose Gum Generally_safe

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

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

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 28 active ingredients with 36 servings per container. Of the 7 inactive ingredients, 4 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 28 active ingredients: Calories (22 kcal), Total Carbohydrates (4 g), Vitamin D3 (as Cholecalciferol) (63 mcg), Vitamin E (as D-Alpha-Tocopheryl Succinate) (147 mg), Zinc (as OptiZinc, Zinc Citrate) (28 mg), Selenium (as L-Selenomethionine, Sodium Selenite) (175 mcg), and 22 more. Notable high-dose ingredients include Vitamin D3 at 313% DV, Vitamin E at 983% DV, Zinc at 255% 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.