Nature's Way Optima® Probiotic, Fortify®, Gut Comfort, 35 Billion, 60 Delayed-Release Capsules supplement bottle
Nature's Way

Optima® Probiotic, Fortify®, Gut Comfort, 35 Billion, 60 Delayed-Release Capsules

What We Researched
2 active ingredients analyzed · 4 inactive ingredients decoded · 5 brand certifications checked · 2 retailers compared · Last updated: Mar 2026
62
Product Score Fair
95
Brand Score Excellent

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Fortify™ Optima® Daily 35 Billion CFUProprietary Probiotic Blend: 525 mg **
Proprietary Plant-Based Prebiotic Blend:Gum Acacia Fiber, Chicory (root) Fiber 75 mg **
Bioavailability Fair

Absorption Rating

  • Fortify™ Optima® Daily 35 Billion CFUProprietary Probiotic Blend: Fair
  • Proprietary Plant-Based Prebiotic Blend:Gum Acacia Fiber, Chicory (root) Fiber Fair
Other Ingredients Excellent

Fillers & Additives

  • Cellulose
  • Plant-Derived Capsule (Hypromellose, Gellan Gum)
  • Magnesium Stearate
  • Silica
Efficacy Very Poor

Dosage Analysis

  • Proprietary Plant-Based Prebiotic Blend:Gum Acacia Fiber, Chicory (root) Fiber 75 mg Under-dosed

Supplement Facts

Ingredient Amount % Daily Value
Fortify™ Optima® Daily 35 Billion CFUProprietary Probiotic Blend: 525 mg **
Proprietary Plant-Based Prebiotic Blend:Gum Acacia Fiber, Chicory (root) Fiber 75 mg **

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Cellulose Safe

Provides bulk and structure in tablets and capsules.

Plant-Derived Capsule (Hypromellose, Gellan Gum) Safe

It is used to encapsulate the supplement ingredients.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$52$51$50$49$48 Mar 12 $49.99
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
Nature's Way

Founded 1969 · Green Bay, Wisconsin, USA · 481 products · naturesway.com

Certifications

5 certifications
Consumerlab Verified Source
Labdoor Verified Source
Non Gmo Project Verified Source
Nsf Gmp Verified Source
Usda Organic Verified Source

Transparency

5 claims
Third Party Testing Claim — Verified Source
Coa Availability — Claimed Source
Testing Lab Disclosure — Verified Source
In House Testing — Verified Source

Violation History

3 incidents
Fda Warning Violations of the Foreign Supplier Verification Program (FSVP) regulation.2022-12-20Source
Lawsuit Mislabeled and fraudulent herbal supplements.2015Source
Recall Nettle capsules2002-06-28Source
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Frequently Asked Questions
Is Nature's Way Optima® Probiotic, Fortify® a good supplement?

Nature's Way Optima® Probiotic, Fortify®, Gut Comfort, 35 Billion, 60 Delayed-Release Capsules received a product quality score of 62/100 in GoodSupp's independent analysis, suggesting some areas that could be improved. The product contains 2 active ingredients All 4 inactive ingredients (fillers, binders, capsule materials) are rated safe — a clean formulation with no flagged additives. The manufacturer, Nature's Way, holds a brand trust score of 95/100 with 5 verified certifications including Consumerlab, Labdoor, Non Gmo Project, Nsf Gmp.

What are the ingredients in Nature's Way Optima® Probiotic, Fortify®?

Nature's Way Optima® Probiotic, Fortify® contains 2 active ingredients: Fortify™ Optima® Daily 35 Billion CFUProprietary Probiotic Blend: (525 mg), Proprietary Plant-Based Prebiotic Blend:Gum Acacia Fiber, Chicory (root) Fiber (75 mg). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Nature's Way Optima® Probiotic, Fortify® safe to take?

Nature's Way Optima® Probiotic, Fortify®, Gut Comfort, 35 Billion, 60 Delayed-Release Capsules has been analyzed for ingredient safety across all its components. All 4 inactive ingredients — including capsule materials, fillers, and binders — are rated safe based on regulatory data and published safety research. This is a clean formulation with no controversial additives. Always consult your healthcare provider before starting any new supplement, especially if you take medications or have underlying health conditions.

Is Nature's Way a trustworthy supplement brand?

Nature's Way receives a brand trust score of 95/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1969 and headquartered in Green Bay, Wisconsin, USA, the company offers 481 products in their lineup. They hold 5 verified certifications including Consumerlab, Labdoor, Non Gmo Project, Nsf Gmp. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Nature's Way has 3 historical regulatory incidents on record, which are factored into the trust score.

Do probiotics make you poop?

The effects of supplements on the body vary based on the specific ingredients, dosages, and individual factors. Quality clinical research is the best guide for understanding what supplements actually do versus marketing claims. Be cautious of products that promise dramatic results — legitimate supplements support health gradually, not overnight. Checking the ingredient label, understanding the dosages, and reviewing the scientific evidence are essential steps before starting any supplement. GoodSupp evaluates over 250,000 products based on published research and evidence-based criteria.

What are probiotics good for?

Probiotics Good For is a topic many supplement consumers ask about. In the context of dietary supplements, understanding probiotics 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 probiotics help with constipation?

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.