Source Naturals Prosta-Response™, 45 Tablets supplement bottle
Source Naturals

Prosta-Response™, 45 Tablets

What We Researched
33 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
Vitamin D-3 (as cholecalciferol) (2,000 IU) 50 mcg 250%
Vitamin E (as d-alpha tocopheryl succinate) 134 mg 893%
Calcium (as dibasic calcium phosphate) 34 mg 3%
Iron (naturally occurring) 0.5 mg 3%
Zinc (as zinc citrate & methionine sulfate complex [OptiZinc®]) 30 mg 273%
Selenium (as sodium selenite & L-selenomethionine) 200 mg 364%
Copper (as copper citrate) 1 mg 111%
SoyLife® Non-GMO Isoflavone Complex (from soy)(providing 20 mg isoflavones) 1 g
Saw Palmetto Berry Extract (providing 320 mg fatty acids) 800 mg
Phytosterol Complex (providing 125 mg beta-sitosterol) 314 mg
Quercetin 300 mg
L-Alanine 150 mg
L-Glutaminc Acid 150 mg
Glycine 150 mg
Swedish Flower Pollen Extract (yielding 1.4% 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 (24% flavone glycosides & 6% terpene lactones) 40 mg
Uva Ursi Leag Extract 40 mg
Oregon Grape Root 30 mg
Pygeum Bark Extract (2.5% sterols) 15 mg
Green Tea Leaf Extract 15 mg
Ginger Root 10 mg
Grape Seed Extract (Proanthodyn™) with a Procyanidolic Value of 95 10 mg
Lycopene 10 mg
Bioavailability Good

Absorption Rating

  • Vitamin D-3 (as cholecalciferol) (2,000 IU) Good
  • Vitamin E (as d-alpha tocopheryl succinate) Good
  • Calcium (as dibasic calcium phosphate) Fair
  • Iron (naturally occurring) Fair
  • Zinc (as zinc citrate & methionine sulfate complex [OptiZinc®]) Good
  • Selenium (as sodium selenite & L-selenomethionine) Good
  • Copper (as copper citrate) Good
  • Saw Palmetto Berry Extract (providing 320 mg fatty acids) Poor
  • Phytosterol Complex (providing 125 mg beta-sitosterol) Good
  • Quercetin Fair
  • L-Alanine Good
  • Glycine Good
  • Swedish Flower Pollen Extract (yielding 1.4% 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 (24% flavone glycosides & 6% terpene lactones) Poor
  • Uva Ursi Leag Extract Fair
  • Oregon Grape Root Poor
  • Pygeum Bark Extract (2.5% sterols) Fair
  • Green Tea Leaf Extract Good
  • Ginger Root Fair
  • Grape Seed Extract (Proanthodyn™) with a Procyanidolic Value of 95 Good
  • Lycopene Good
Other Ingredients Excellent

Fillers & Additives

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

Dosage Analysis

  • Vitamin D-3 (as cholecalciferol) (2,000 IU) 50 mcg Effective
  • Vitamin E (as d-alpha tocopheryl succinate) 134 mg Effective
  • Calcium (as dibasic calcium phosphate) 34 mg Under-dosed
  • Iron (naturally occurring) 0.5 mg Under-dosed
  • Zinc (as zinc citrate & methionine sulfate complex [OptiZinc®]) 30 mg Effective
  • Selenium (as sodium selenite & L-selenomethionine) 200 mg High
  • Copper (as copper citrate) 1 mg Effective
  • Saw Palmetto Berry Extract (providing 320 mg fatty acids) 800 mg High
  • Phytosterol Complex (providing 125 mg beta-sitosterol) 314 mg Under-dosed
  • Quercetin 300 mg Under-dosed
  • Glycine 150 mg Under-dosed
  • Swedish Flower Pollen Extract (yielding 1.4% 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 (24% flavone glycosides & 6% terpene lactones) 40 mg Under-dosed
  • Uva Ursi Leag Extract 40 mg Under-dosed
  • Oregon Grape Root 30 mg Under-dosed
  • Pygeum Bark Extract (2.5% sterols) 15 mg Under-dosed
  • Green Tea Leaf Extract 15 mg Under-dosed
  • Ginger Root 10 mg Under-dosed
  • Grape Seed Extract (Proanthodyn™) with a Procyanidolic Value of 95 10 mg Under-dosed
  • Lycopene 10 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Calories 20
Total Fat 1 g 1 %*
Saturated Fat 1 g 5%*
Total Carbohydrate 3 g 1%*
Dietary Fiber 2 g 7%*
Vitamin D-3 (as cholecalciferol) (2,000 IU) 50 mcg 250%
Vitamin E (as d-alpha tocopheryl succinate) 134 mg 893%
Calcium (as dibasic calcium phosphate) 34 mg 3%
Iron (naturally occurring) 0.5 mg 3%
Zinc (as zinc citrate & methionine sulfate complex [OptiZinc®]) 30 mg 273%
Selenium (as sodium selenite & L-selenomethionine) 200 mg 364%
Copper (as copper citrate) 1 mg 111%
Sodium 35 mg 2%
SoyLife® Non-GMO Isoflavone Complex (from soy)(providing 20 mg isoflavones) 1 g
Saw Palmetto Berry Extract (providing 320 mg fatty acids) 800 mg
Phytosterol Complex (providing 125 mg beta-sitosterol) 314 mg
Quercetin 300 mg
L-Alanine 150 mg
L-Glutaminc Acid 150 mg
Glycine 150 mg
Swedish Flower Pollen Extract (yielding 1.4% 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 (24% flavone glycosides & 6% terpene lactones) 40 mg
Uva Ursi Leag Extract 40 mg
Oregon Grape Root 30 mg
Pygeum Bark Extract (2.5% sterols) 15 mg
Green Tea Leaf Extract 15 mg
Ginger Root 10 mg
Grape Seed Extract (Proanthodyn™) with a Procyanidolic Value of 95 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.

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.

Hydroxypropyl Cellulose Safe

Binds tablet ingredients and can form tablet coatings.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Dibasic Calcium Phosphate Generally_safe

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

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$11$10$9$8$7 Mar 12 $8.84
iHerb

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™, 45 Tablets a good supplement?

Source Naturals Prosta-Response™, 45 Tablets received a product quality score of 75/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 33 active ingredients with 9 servings per container. Of the 7 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™, 45 Tablets?

Source Naturals Prosta-Response™, 45 Tablets contains 33 active ingredients: Calories (20), Total Fat (1 g), Saturated Fat (1 g), Total Carbohydrate (3 g), Dietary Fiber (2 g), Vitamin D-3 (as cholecalciferol) (2,000 IU) (50 mcg), and 27 more. Notable high-dose ingredients include Vitamin D-3 at 250% DV, Vitamin E at 893% DV, Zinc at 273% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Source Naturals Prosta-Response™, 45 Tablets safe to take?

Source Naturals Prosta-Response™, 45 Tablets 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.