Yerba Prima Prebiotic Colon Formula Fiber supplement bottle
Yerba Prima

Prebiotic Colon Formula Fiber

What We Researched
4 active ingredients analyzed · 9 inactive ingredients decoded · 3 brand certifications checked · 1 retailer compared · Last updated: Mar 2026
65
Product Score Fair
66
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Calcium as calcium carbonate 100 mg 10%
Magnesium (as magnesium oxide) 56 mg 12%
Selenium as selenium amino acid chelate 17 mcg 31%
Potassium 99 mg <2%
Bioavailability Good

Absorption Rating

  • Calcium as calcium carbonate Fair
  • Magnesium (as magnesium oxide) Poor
  • Selenium as selenium amino acid chelate Good
  • Potassium Good
Other Ingredients Excellent

Fillers & Additives

  • Psyllium
  • Gluten Free oat bran
  • Non-GMO soy fiber
  • Acacia Gum
  • Calcium Carbonate
  • FOS prebiotic growth complex
  • Magnesium Oxide
  • Apple Fiber
  • Selenium amino acid chelate
Efficacy Very Poor

Dosage Analysis

  • Calcium as calcium carbonate 100 mg Under-dosed
  • Magnesium (as magnesium oxide) 56 mg Under-dosed
  • Selenium as selenium amino acid chelate 17 mcg Under-dosed
  • Potassium 99 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Calcium as calcium carbonate 100 mg 10%
Magnesium (as magnesium oxide) 56 mg 12%
Selenium as selenium amino acid chelate 17 mcg 31%
Potassium 99 mg <2%

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Psyllium Generally_safe

It is added as a source of fiber to promote digestive health.

Gluten Free oat bran Unknown
Non-GMO soy fiber Unknown
Acacia Gum Safe

Binds tablet ingredients together. Also a source of soluble fiber.

Calcium Carbonate Safe

Acts as a filler and provides supplemental calcium.

FOS prebiotic growth complex Unknown
Magnesium Oxide Generally_safe

It is used to provide magnesium, an essential mineral.

Apple Fiber Safe

It is used to add bulk and improve the texture of supplements.

Selenium amino acid chelate Unknown

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
Yerba Prima

Founded 1980 · Ashland, Oregon, United States · 22 products · yerba.com/

Certifications

3 certifications
Consumerlab Verified Source
Gluten Free Gfco Verified Source
Usda Organic Verified Source

Transparency

2 claims
Third Party Testing Claim — Claimed

Violation History

2 incidents
Recall Great Plains Bentonite + Herbal Detox Capsules2025-06-10Source
Prop 65 Lead and/or lead compounds2012-05-09Source
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Frequently Asked Questions
Is Yerba Prima Prebiotic Colon Formula Fiber a good supplement?

Yerba Prima Prebiotic Colon Formula Fiber received a product quality score of 65/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 4 active ingredients with 47 servings per container. Of the 9 inactive ingredients, 3 are rated safe and 0 are flagged for review. The manufacturer, Yerba Prima, holds a brand trust score of 66/100 with 3 verified certifications including Consumerlab, Gluten Free Gfco, Usda Organic.

What are the ingredients in Yerba Prima Prebiotic Colon Formula Fiber?

Yerba Prima Prebiotic Colon Formula Fiber contains 4 active ingredients: Calcium as calcium carbonate (100 mg), Magnesium (as magnesium oxide) (56 mg), Selenium as selenium amino acid chelate (17 mcg), Potassium (99 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Yerba Prima Prebiotic Colon Formula Fiber safe to take?

Yerba Prima Prebiotic Colon Formula Fiber 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 Yerba Prima a trustworthy supplement brand?

Yerba Prima receives a brand trust score of 66/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1980 and headquartered in Ashland, Oregon, United States, the company offers 22 products in their lineup. They hold 3 verified certifications including Consumerlab, Gluten Free Gfco, Usda Organic. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Yerba Prima has 2 historical regulatory incidents on record, which are factored into the trust score.

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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.