Master Supplements Children's Theralac Multi-Strain Probiotic, 25 billion CFU, 1.05 oz supplement bottle
Master Supplements

Children's Theralac Multi-Strain Probiotic, 25 billion CFU, 1.05 oz

What We Researched
6 active ingredients analyzed · 6 inactive ingredients decoded · 4 brand certifications checked · 2 retailers compared · Last updated: Mar 2026
93
Product Score Excellent
75
Brand Score Fair

Product Analysis

Transparency Very Good

Supplement Facts

IngredientAmount% DV
Probiotic Blend
Lactobacillus Acidophilus LA-1 10 billion CFU
Bifidobacterium Lactis BL-04 10 billion CFU
Bifidobacterium Lactis Bi-07 3 billion CFU
Lactobacillus Rhamnosus LR-32 1 billion CFU
Lactobacillus Paracasei LPC-37 1 billion CFU
Bioavailability Excellent

Absorption Rating

  • Probiotic Blend Fair
  • Lactobacillus Acidophilus LA-1 Good
  • Bifidobacterium Lactis BL-04 Good
  • Bifidobacterium Lactis Bi-07 Good
  • Lactobacillus Rhamnosus LR-32 Good
  • Lactobacillus Paracasei LPC-37 Good
Other Ingredients Excellent

Fillers & Additives

  • Microcrystalline Cellulose
  • Sodium Alginate
  • Silicon Dioxide
  • Ascorbic Acid
  • Lactostim® (sunflower lecithin + oleic acid)
  • Calcium silcate
Efficacy Excellent

Dosage Analysis

  • Lactobacillus Acidophilus LA-1 10 billion CFU Effective
  • Bifidobacterium Lactis BL-04 10 billion CFU Effective
  • Bifidobacterium Lactis Bi-07 3 billion CFU Effective
  • Lactobacillus Rhamnosus LR-32 1 billion CFU Effective
  • Lactobacillus Paracasei LPC-37 1 billion CFU Effective

Supplement Facts

Ingredient Amount % Daily Value
Probiotic Blend
Lactobacillus Acidophilus LA-1 10 billion CFU
Bifidobacterium Lactis BL-04 10 billion CFU
Bifidobacterium Lactis Bi-07 3 billion CFU
Lactobacillus Rhamnosus LR-32 1 billion CFU
Lactobacillus Paracasei LPC-37 1 billion CFU

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Microcrystalline Cellulose Safe

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

Sodium Alginate Safe

It is used as a thickening agent and stabilizer.

Silicon Dioxide Safe

Prevents clumping and ensures consistent dosing.

Ascorbic Acid Safe

Prevents oxidation and provides vitamin C.

Lactostim® (sunflower lecithin + oleic acid) Unknown
Calcium silcate Unknown

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$42$41$40$39$38 Mar 12 $39.79
Vitacost

Prices shown at time of last check. Click a retailer to see current price. GoodSupp is not affiliated with any retailer.

Brand Trust Report
Master Supplements

Founded 2002 · Victoria, MN, United States · 3 products · master-supplements.com/

Certifications

4 certifications
Informed Sport Verified Source
Gluten Free Gfco Verified Source
Non Gmo Project Verified Source
Usda Organic Verified Source

Transparency

3 claims
Third Party Testing Claim — Claimed Source
Coa Availability — Claimed Source
In House Testing — Verified Source
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Frequently Asked Questions
Is Master Supplements Children's Theralac Multi-Strain Probiotic, 25 billion CFU a good supplement?

Master Supplements Children's Theralac Multi-Strain Probiotic, 25 billion CFU, 1.05 oz received a product quality score of 93/100 in GoodSupp's independent analysis, placing it in the top tier of supplements we've analyzed. The product contains 6 active ingredients with 40 servings per container. Of the 6 inactive ingredients, 4 are rated safe and 0 are flagged for review. The manufacturer, Master Supplements, holds a brand trust score of 75/100 with 4 verified certifications including Informed Sport, Gluten Free Gfco, Non Gmo Project, Usda Organic.

What are the ingredients in Master Supplements Children's Theralac Multi-Strain Probiotic, 25 billion CFU?

Master Supplements Children's Theralac Multi-Strain Probiotic, 25 billion CFU contains 6 active ingredients: Probiotic Blend, Lactobacillus Acidophilus LA-1 (10 billion CFU), Bifidobacterium Lactis BL-04 (10 billion CFU), Bifidobacterium Lactis Bi-07 (3 billion CFU), Lactobacillus Rhamnosus LR-32 (1 billion CFU), Lactobacillus Paracasei LPC-37 (1 billion CFU). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Master Supplements Children's Theralac Multi-Strain Probiotic, 25 billion CFU safe to take?

Master Supplements Children's Theralac Multi-Strain Probiotic, 25 billion CFU, 1.05 oz 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 Master Supplements a trustworthy supplement brand?

Master Supplements receives a brand trust score of 75/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 2002 and headquartered in Victoria, MN, United States, the company offers 3 products in their lineup. They hold 4 verified certifications including Informed Sport, Gluten Free Gfco, Non Gmo Project, Usda Organic. Third-party certifications are independently verified and indicate the brand meets specific quality, purity, and manufacturing standards. No regulatory violations or FDA warning letters were found in our research.

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.