NOW OralBiotic Probiotic supplement bottle
NOW

OralBiotic Probiotic Review

What We Researched
1 active ingredient analyzed · 9 inactive ingredients decoded · 9 brand certifications checked · Last updated: Aug 2026
100
Product Score Excellent
100
Brand Score Excellent

Two independent scores — the product and the brand behind it, never blended into one number. See our methodology.

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Streptococcus salivarius (BLIS K12) 1 Billion CFU
Bioavailability Excellent

Absorption Rating

  • Streptococcus salivarius (BLIS K12) Good
Other Ingredients Excellent

Fillers & Additives

  • Fructooligosaccharides
  • Xylitol
  • Sorbitol
  • Cellulose
  • Silica
  • Stearic Acid (Vegetable Source)
  • Natural Strawberry Flavour
  • Natural Beet Colouring
  • Natural Vanilla Flavour
Efficacy Excellent

Dosage Analysis

  • Streptococcus salivarius (BLIS K12) 1 Billion CFU Effective

Supplement Facts

Ingredient Amount % Daily Value
Streptococcus salivarius (BLIS K12) 1 Billion CFU

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Fructooligosaccharides Generally_safe

They can be used as a filler and to promote gut health.

Xylitol Safe

Provides sweetness with reduced calorie content. Does not promote tooth decay.

Sorbitol Safe

Provides sweetness and helps retain moisture in chewables.

Cellulose Safe

Provides bulk and structure in tablets and capsules.

Silica Safe

Prevents ingredients from clumping and improves powder flow.

Stearic Acid (Vegetable Source) Generally_safe

It is used as a lubricant and release agent.

Natural Strawberry Flavour Unknown
Natural Beet Colouring Unknown
Natural Vanilla Flavour Unknown
Brand Trust Report
NOW

Founded 1968 · Bloomingdale, Illinois, USA · 1759 products · nowfoods.com

Certifications

9 certifications
Informed Sport Verified Source
Npa Gmp Verified Source
Consumerlab Verified Source
Labdoor Verified Source
Fda Gmp Inspections Verified Source
Non Gmo Project Verified Source
Usda Organic Verified Source
Vegan Certified Verified Source
Informed Choice Verified

Transparency

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

Violation History

8 incidents
Lawsuit Mislabeled St. John's Wort supplement, containing significantly less of the active ingredient than advertised.NoneSource
Lawsuit A data breach that compromised personal and health information of employees and dependents.2023Source
Prop 65 Lead2021-11-30Source
Recall NOW Real Food® Raw Macadamia Nuts2020-06-12Source
Recall NOW Real Food® Raw Macadamia Nuts2020-06-12Source
Recall NOW Real Food® Zesty Sprouting Mix2018-06-21Source
Lawsuit Misleadingly using slack-fill packaging for their Vitamin C supplements.2015Source
Fda Warning Adulterated Dietary Supplement due to pesticide (quintozene) contamination in American Ginseng.2007-10-12Source
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Frequently Asked Questions
Is NOW OralBiotic Probiotic a good supplement?

NOW OralBiotic Probiotic 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 9 inactive ingredients, 4 are rated safe and 0 are flagged for review. The manufacturer, NOW, holds a brand trust score of 100/100 with 9 verified certifications including Informed Sport, Npa Gmp, Consumerlab, Labdoor.

What are the ingredients in NOW OralBiotic Probiotic?

NOW OralBiotic Probiotic contains 1 active ingredients: Streptococcus salivarius (BLIS K12) (1 Billion CFU). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is NOW OralBiotic Probiotic safe to take?

NOW OralBiotic Probiotic 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 NOW a trustworthy supplement brand?

NOW receives a brand trust score of 100/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1968 and headquartered in Bloomingdale, Illinois, USA, the company offers 1759 products in their lineup. They hold 9 verified certifications including Informed Sport, Npa Gmp, Consumerlab, Labdoor. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. Note: NOW has 8 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 150,000 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 150,000 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 150,000 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 — read our methodology. 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.