Nature's Bounty NATURE'S BOUNTY Extra Strength Acidophilus Probiotic, Lactobacillus Acidophilus, Temporarily Modifies Gut Flora, Live Microorganisms, 2 Billion Colony Forming Units,150 Caplets 150.0 count, 150 Caplets supplement bottle
Nature's Bounty

NATURE'S BOUNTY Extra Strength Acidophilus Probiotic, Lactobacillus Acidophilus, Temporarily Modifies Gut Flora, Live Microorganisms, 2 Billion Colony Forming Units,150 Caplets 150.0 count, 150 Caplets

What We Researched
1 active ingredient analyzed · 7 inactive ingredients decoded · 6 brand certifications checked · 1 retailer compared · Last updated: Mar 2026
100
Product Score Excellent
86
Brand Score Good

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Lactobacillus acidophilus 2 billion CFU
Bioavailability Excellent

Absorption Rating

  • Lactobacillus acidophilus Good
Other Ingredients Excellent

Fillers & Additives

  • Dipotassium Phosphate
  • Magnesium Stearate
  • Microcrystalline Cellulose
  • Monobasic potassium phosphate
  • Silicon Dioxide
  • Stearic Acid
  • Trehalose
Efficacy Excellent

Dosage Analysis

  • Lactobacillus acidophilus 2 billion CFU Effective

Supplement Facts

Ingredient Amount % Daily Value
Lactobacillus acidophilus 2 billion CFU

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Dipotassium Phosphate Generally_safe

It is used to maintain the pH of supplements.

Magnesium Stearate Safe

Prevents ingredients from sticking to manufacturing equipment during tableting.

Microcrystalline Cellulose Safe

Adds bulk to small-dose supplements to make tablets/capsules a manageable size.

Monobasic potassium phosphate Unknown
Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Stearic Acid Safe

Helps ingredients flow smoothly through manufacturing equipment.

Trehalose Generally_safe

It is used as a sweetener and stabilizer.

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
Nature's Bounty

Founded 1971 · Ronkonkoma, New York, USA · 156 products · naturesbounty.com

Certifications

6 certifications
Clean Label Project Verified Source
Consumerlab Verified
Health Canada Licensed Verified Source
Labdoor Verified Source
Usda Organic Verified Source
Fda Gmp Inspections Verified Source

Transparency

3 claims
Third Party Testing Claim — Verified Source
In House Testing — Verified Source

Violation History

1 incident
Recall Nature's Bounty Kids Multivitamin Gummies2023-06-02Source
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Frequently Asked Questions
Is Nature's Bounty NATURE'S BOUNTY Extra Strength Acidophilus Probiotic, Lactobacillus Acidophilus a good supplement?

Nature's Bounty NATURE'S BOUNTY Extra Strength Acidophilus Probiotic, Lactobacillus Acidophilus, Temporarily Modifies Gut Flora, Live Microorganisms, 2 Billion Colony Forming Units,150 Caplets 150.0 count, 150 Caplets received a product quality score of 100/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. The product contains 1 active ingredients Of the 7 inactive ingredients, 4 are rated safe and 0 are flagged for review. The manufacturer, Nature's Bounty, holds a brand trust score of 86/100 with 6 verified certifications including Clean Label Project, Consumerlab, Health Canada Licensed, Labdoor.

What are the ingredients in Nature's Bounty NATURE'S BOUNTY Extra Strength Acidophilus Probiotic, Lactobacillus Acidophilus?

Nature's Bounty NATURE'S BOUNTY Extra Strength Acidophilus Probiotic, Lactobacillus Acidophilus contains 1 active ingredients: Lactobacillus acidophilus (2 billion CFU). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Nature's Bounty NATURE'S BOUNTY Extra Strength Acidophilus Probiotic, Lactobacillus Acidophilus safe to take?

Nature's Bounty NATURE'S BOUNTY Extra Strength Acidophilus Probiotic, Lactobacillus Acidophilus, Temporarily Modifies Gut Flora, Live Microorganisms, 2 Billion Colony Forming Units,150 Caplets 150.0 count, 150 Caplets 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 Nature's Bounty a trustworthy supplement brand?

Nature's Bounty receives a brand trust score of 86/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1971 and headquartered in Ronkonkoma, New York, USA, the company offers 156 products in their lineup. They hold 6 verified certifications including Clean Label Project, Consumerlab, Health Canada Licensed, Labdoor. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: Nature's Bounty has 1 historical regulatory incident 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.