Mason Natural Ultra Collagen with Horsetail Concentrate, 100 Capsules supplement bottle
Mason Natural

Ultra Collagen with Horsetail Concentrate, 100 Capsules

What We Researched
15 active ingredients analyzed · 3 inactive ingredients decoded · 2 brand certifications checked · 3 retailers compared · Last updated: Mar 2026
77
Product Score Fair
66
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin C (as ascorbic acid &  ascorbyl palmitate) 60 mg 70%
Calcium (as tricalcium phosphate) 225 mg 15%
Vitamin E (as dl-alpha tocopheryl acetate) (60 IU) 27 mg 180%
D-Biotin 2,500 mcg 8,330%
Zinc (as zinc citrate) 15 mg 140%
Selenium (as selenomethionine) 150 mcg 270%
Copper (as amino acid chelate) 2 mg 220%
Manganese (as manganese gluconate) 4 mg 170%
Choline (as choline bitartrate) 100 mg 20%
Collagen Complex 725 mg **
Horsetail Concentrate(Equisetum arvense - aerial parts) 4:1 concentrate 50 mg equivalent to 200 mg 200 mg **
Fo Ti Concentrate(Polygonum multiflorum) (root) 12:1 concentrate 8.334 mg equivalent to 100 mg 100 mg **
L-Methionine 25 mg **
N-Acetyl L-Cysteine 25 mg **
Silicon (as silicon dioxide) 12 mg **
Bioavailability Good

Absorption Rating

  • Vitamin C (as ascorbic acid &  ascorbyl palmitate) Fair
  • Calcium (as tricalcium phosphate) Fair
  • Vitamin E (as dl-alpha tocopheryl acetate) (60 IU) Poor
  • D-Biotin Good
  • Zinc (as zinc citrate) Good
  • Selenium (as selenomethionine) Good
  • Copper (as amino acid chelate) Fair
  • Manganese (as manganese gluconate) Good
  • Choline (as choline bitartrate) Poor
  • Collagen Complex Good
  • Horsetail Concentrate(Equisetum arvense - aerial parts) 4:1 concentrate 50 mg equivalent to 200 mg Fair
  • Fo Ti Concentrate(Polygonum multiflorum) (root) 12:1 concentrate 8.334 mg equivalent to 100 mg Fair
  • L-Methionine Good
  • N-Acetyl L-Cysteine Good
  • Silicon (as silicon dioxide) Poor
Other Ingredients Excellent

Fillers & Additives

  • Gelatin
  • Maltodextrin
  • Magnesium Stearate
Efficacy Fair

Dosage Analysis

  • Vitamin C (as ascorbic acid &  ascorbyl palmitate) 60 mg Under-dosed
  • Calcium (as tricalcium phosphate) 225 mg Under-dosed
  • Vitamin E (as dl-alpha tocopheryl acetate) (60 IU) 27 mg Effective
  • D-Biotin 2,500 mcg Effective
  • Zinc (as zinc citrate) 15 mg Effective
  • Selenium (as selenomethionine) 150 mcg Effective
  • Copper (as amino acid chelate) 2 mg Effective
  • Manganese (as manganese gluconate) 4 mg Effective
  • Choline (as choline bitartrate) 100 mg Under-dosed
  • Collagen Complex 725 mg Under-dosed
  • Horsetail Concentrate(Equisetum arvense - aerial parts) 4:1 concentrate 50 mg equivalent to 200 mg 200 mg Under-dosed
  • Fo Ti Concentrate(Polygonum multiflorum) (root) 12:1 concentrate 8.334 mg equivalent to 100 mg 100 mg Under-dosed
  • L-Methionine 25 mg Under-dosed
  • N-Acetyl L-Cysteine 25 mg Under-dosed
  • Silicon (as silicon dioxide) 12 mg Effective

Supplement Facts

Ingredient Amount % Daily Value
Vitamin C (as ascorbic acid &  ascorbyl palmitate) 60 mg 70%
Calcium (as tricalcium phosphate) 225 mg 15%
Vitamin E (as dl-alpha tocopheryl acetate) (60 IU) 27 mg 180%
D-Biotin 2,500 mcg 8,330%
Zinc (as zinc citrate) 15 mg 140%
Selenium (as selenomethionine) 150 mcg 270%
Copper (as amino acid chelate) 2 mg 220%
Manganese (as manganese gluconate) 4 mg 170%
Choline (as choline bitartrate) 100 mg 20%
Collagen Complex 725 mg **
Horsetail Concentrate(Equisetum arvense - aerial parts) 4:1 concentrate 50 mg equivalent to 200 mg 200 mg **
Fo Ti Concentrate(Polygonum multiflorum) (root) 12:1 concentrate 8.334 mg equivalent to 100 mg 100 mg **
L-Methionine 25 mg **
N-Acetyl L-Cysteine 25 mg **
Silicon (as silicon dioxide) 12 mg **

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Gelatin Safe

Forms the capsule shell that holds the supplement contents.

Maltodextrin Generally_safe

Helps carry and stabilize active ingredients. Provides bulk.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$24$23$22$21$20 Mar 12 $22.00
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
Mason Natural

Founded 1967 · Miami Lakes, Florida, USA · 161 products · masonvitamins.com

Certifications

2 certifications
Consumerlab Verified Source
Fda Gmp Inspections Verified Source

Transparency

2 claims
Third Party Testing Claim — Claimed Source

Violation History

4 incidents
Recall Herbal Colon Cleanser Capsules2025-09-02Source
Recall Healthy Sense Daily Multiple with Iron and People's Choice Women's Daily Vitamins with Iron2022-11-17Source
Prop 65 Lead2017-03-10Source
Prop 65 Lead2016-03-28Source
Related Supplements
Frequently Asked Questions
Is Mason Natural Ultra Collagen with Horsetail Concentrate, 100 Capsules a good supplement?

Mason Natural Ultra Collagen with Horsetail Concentrate, 100 Capsules received a product quality score of 77/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 15 active ingredients with 50 servings per container. Of the 3 inactive ingredients, 2 are rated safe and 0 are flagged for review. The manufacturer, Mason Natural, holds a brand trust score of 66/100 with 2 verified certifications including Consumerlab, Fda Gmp Inspections.

What are the ingredients in Mason Natural Ultra Collagen with Horsetail Concentrate, 100 Capsules?

Mason Natural Ultra Collagen with Horsetail Concentrate, 100 Capsules contains 15 active ingredients: Vitamin C (as ascorbic acid &  ascorbyl palmitate) (60 mg), Calcium (as tricalcium phosphate) (225 mg), Vitamin E (as dl-alpha tocopheryl acetate) (60 IU) (27 mg), D-Biotin (2,500 mcg), Zinc (as zinc citrate) (15 mg), Selenium (as selenomethionine) (150 mcg), and 9 more. Notable high-dose ingredients include D-Biotin at 8,330% DV, Selenium at 270% DV, Copper at 220% DV. Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Mason Natural Ultra Collagen with Horsetail Concentrate, 100 Capsules safe to take?

Mason Natural Ultra Collagen with Horsetail Concentrate, 100 Capsules 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 Mason Natural a trustworthy supplement brand?

Mason Natural receives a brand trust score of 66/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1967 and headquartered in Miami Lakes, Florida, USA, the company offers 161 products in their lineup. They hold 2 verified certifications including Consumerlab, Fda Gmp Inspections. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Mason Natural has 4 historical regulatory incidents on record, which are factored into the trust score.

What is collagen?

Collagen is a topic many supplement consumers ask about. In the context of dietary supplements, understanding collagen helps you make more informed choices about what you put in your body. The quality and form of ingredients matters significantly — two products listing the same ingredient can differ dramatically in bioavailability and effectiveness. GoodSupp analyzes over 250,000 supplement products to help consumers understand exactly what's in their supplements and whether the formulation meets quality standards.

What is collagen good for?

Collagen Good For is a topic many supplement consumers ask about. In the context of dietary supplements, understanding collagen good for helps you make more informed choices about what you put in your body. The quality and form of ingredients matters significantly — two products listing the same ingredient can differ dramatically in bioavailability and effectiveness. GoodSupp analyzes over 250,000 supplement products to help consumers understand exactly what's in their supplements and whether the formulation meets quality standards.

Do collagen tablets work?

This is an important question for supplement consumers. The dietary supplement industry is largely self-regulated, which means product quality, ingredient transparency, and safety practices vary significantly between brands and products. The most reliable way to evaluate any supplement is to check for third-party testing certifications, review the full ingredient list and dosages, and research the brand's regulatory track record. GoodSupp's database of over 250,000 analyzed products provides independent quality scores, ingredient safety ratings, and brand trust reports to help you make evidence-based decisions.

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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.