🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 50% of ingredients have research evidence
A Label Compliance Grade

Product Label

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Label Data

1 Double-Layer Vegetable Capsule(s) Serving Size
30 Servings
Other Combinations Product Type
50% Evidence Coverage

Supplement Facts — Evidence Check

📊 Market median: 100.0mg (1 products) 📚 42 studies (Tier A: 1, B: 15)
This product: 50mg

Other Ingredients

Glycerin Hypromellose Microcrystalline Cellulose Magnesium Stearate Silica Sodium Copper Chlorophyllin

Label Claims — Verification

All Other
Structure/Function
All Other (98% of products) Structure/Function (83% of products) Nutrient (55% of products) Approved Health (6% of products) Qualified Health (3% of products)

Target Groups

Adult (18 - 50 Years) Dairy Free

Product Information

📋 Directions for Use

Directions for use: Take 1 to 3 capsules a day with meals.

⚠️ Warnings & Precautions

Note: Pregnant or nursing women and people with known medical conditions should consult with a physician prior to taking supplements.

🧪 Formulation Notes

Probiotic Defense Formula Supports healthy digestive functions and immunities

doTERRA PB Assist + is a proprietary formula of pre-biotic fiber and six strains of probiotic microorganisms in a unique double-layer vegetable capsule delivering 6 billion CFUs of active probiotic cultures and a soluble pre-biotic fiber that encourages culture adhesion and growth.

The time-release system protects sensitive probiotic cultures from stomach acid and is safe for your whole family.

Does not contain wheat or milk products.

Additional Information

Store in a cool, dry place.

Product Details

DSLD Entry Date 2022-05-19
Product Type Other Combinations
Form Capsule
DSLD ID 267516
Data Updated 2026-04-11

Research Evidence

120 Research Sources
51 Avg Quality Score
47 Clinical Trial
38 Rct
20 Meta Analysis
13 Systematic Review
2 Cochrane Review
A The Gut Microbiome in Depression and Potential Benefit of Prebiotics, Probiotics and Synbiotics: A Systematic Review of Clinical Trials and Observational Studies
Systematic Review International journal of molecular sciences 2022
A Prebiotics for induction and maintenance of remission in ulcerative colitis
Systematic Review The Cochrane database of systematic reviews 2024
A Effect of chicory-derived inulin-type fructans on abundance of Bifidobacterium and on bowel function: a systematic review with meta-analyses
Meta Analysis Critical reviews in food science and nutrition 2023
A Probiotics for management of functional abdominal pain disorders in children
Meta Analysis The Cochrane database of systematic reviews 2023
A Dietary fiber intervention on gut microbiota composition in healthy adults: a systematic review and meta-analysis
Meta Analysis The American journal of clinical nutrition 2018
B Effect of psyllium (Plantago ovata) fiber on LDL cholesterol and alternative lipid targets, non-HDL cholesterol and apolipoprotein B: a systematic review and meta-analysis of randomized controlled trials
Meta Analysis The American journal of clinical nutrition 2018
B Prebiotic and probiotic supplementation and the tryptophan-kynurenine pathway: A systematic review and meta analysis
Meta Analysis Neuroscience and biobehavioral reviews 2021
B Prebiotics, probiotics, fermented foods and cognitive outcomes: A meta-analysis of randomized controlled trials
Meta Analysis Neuroscience and biobehavioral reviews 2020
B Synbiotics, prebiotics and probiotics for people with chronic kidney disease
Systematic Review The Cochrane database of systematic reviews 2023
B Effects of Prebiotics and Probiotics on Symptoms of Depression and Anxiety in Clinically Diagnosed Samples: Systematic Review and Meta-analysis of Randomized Controlled Trials
Meta Analysis Nutrition reviews 2025
View all evidence for Prebiotics →

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