Natren Infant Life Start Probiotic Powder, 1 billion CFU, 2.5 oz supplement bottle
Natren

Infant Life Start Probiotic Powder, 1 billion CFU, 2.5 oz

What We Researched
2 active ingredients analyzed · 2 inactive ingredients decoded · 1 retailer compared · Last updated: Mar 2026
81
Product Score Good
62
Brand Score Fair

Product Analysis

Transparency Excellent

Supplement Facts

IngredientAmount% DV
Vitamin C 15 mg 25%
Bifidobacterium InfantisSuper Strain NLS 1 billion CFU
Bioavailability Very Good

Absorption Rating

  • Vitamin C Fair
  • Bifidobacterium InfantisSuper Strain NLS Good
Other Ingredients Excellent

Fillers & Additives

  • Non-fat milk
  • Lactose and whey
Efficacy Fair

Dosage Analysis

  • Vitamin C 15 mg Under-dosed
  • Bifidobacterium InfantisSuper Strain NLS 1 billion CFU Effective

Supplement Facts

Ingredient Amount % Daily Value
Vitamin C 15 mg 25%
Bifidobacterium InfantisSuper Strain NLS 1 billion CFU

Other Ingredients

Inactive ingredients used in manufacturing. All rated for safety.

Non-fat milk Unknown
Lactose and whey Unknown

Price Comparison

Price History

Tracked across major retailers. Updated periodically.

$29$28$27$26$25 Mar 12 $27.29
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
Natren

Founded 1982 · Westlake Village, California, United States · 14 products · natren.com/

Transparency

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

Violation History

2 incidents
Lawsuit Website not accessible to visually impaired individuals.2021Source
Lawsuit Investigation into claims that 'Gastro-pH' and 'Healthy Trinity' probiotic supplements did not work as advertised (probiotic supplement fraud).2012Source
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Frequently Asked Questions
Is Natren Infant Life Start Probiotic Powder, 1 billion CFU a good supplement?

Natren Infant Life Start Probiotic Powder, 1 billion CFU, 2.5 oz received a product quality score of 81/100 in GoodSupp's independent analysis, indicating strong overall quality. The product contains 2 active ingredients with 140 servings per container. Of the 2 inactive ingredients, 0 are rated safe and 0 are flagged for review. The manufacturer, Natren, holds a brand trust score of 62/100.

What are the ingredients in Natren Infant Life Start Probiotic Powder, 1 billion CFU?

Natren Infant Life Start Probiotic Powder, 1 billion CFU contains 2 active ingredients: Vitamin C (15 mg), Bifidobacterium InfantisSuper Strain NLS (1 billion CFU). Each ingredient's dosage, form, and safety rating is analyzed independently in GoodSupp's full product breakdown.

Is Natren Infant Life Start Probiotic Powder, 1 billion CFU safe to take?

Natren Infant Life Start Probiotic Powder, 1 billion CFU, 2.5 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 Natren a trustworthy supplement brand?

Natren receives a brand trust score of 62/100 based on GoodSupp's independent analysis of certifications, regulatory history, and transparency practices. Founded in 1982 and headquartered in Westlake Village, California, United States, the company offers 14 products in their lineup. Note: Natren has 2 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.