EVIDENCE-BASED SUPPLEMENT SCORING
7.0/10
SOLID OPTION

Confidence: 100%

NOW Supplements, Saccharomyces Boulardii, 5 Billion CFU Probiotic, 60 Veg Capsules

NOW Supplements, Saccharomyces Boulardii, 5 Billion CFU Probiotic, 60 Veg Capsules

B0053W995W

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Decision summary

CONSIDERSOLID OPTION

A middling option. It may be usable, but weaker ingredient form quality makes better alternatives worth comparing.

Best for

People prioritizing high absorption and overall formula quality.

Consider another option if

You want fewer compromises on formulation quality.

Score breakdown

Tap a module to see what it measures. A 0 can reflect missing disclosure, not just a negative result.

Dosage quality

7.0/10

Generally solid dosing

Checks whether labeled ingredient amounts fall within clinically studied ranges (not just regulatory minimums). Low/0 can reflect under-dosing or missing amounts (e.g., proprietary blends).

Score summary

The supporting evidence profile is relatively strong. The main limitation is that saccharomyces-boulardii: no form data available — bio score = 0.

Strengths

The supporting evidence profile is relatively strong
The formula stays relatively clean on excipients
The formulation has a clearer overall purpose

Weaknesses

Saccharomyces-boulardii: no form data available — bio score = 0
Product name or brand not detected (-1)

Final verdict

A middling option. It may be usable, but weaker ingredient form quality makes better alternatives worth comparing.

Ingredient Analysis & Evidence

A closer look at the main ingredients, how they influence the score, and the supporting evidence when available. Tap any ingredient to expand.

✔ Clinically effective dose with strong supporting evidence

Supports the formula, but not a major driver: Dose is directionally useful, but not a standout strength.

Scientific evidence

Meta-analysis

McFarland meta-analysis Saccharomyces boulardii and diarrhea prevention

World Journal of Gastroenterology • 2010

PMID: 20152783.0

NOW Supplements, Saccharomyces Boulardii, 5 Billion CFU Probiotic, 60 Veg Capsules

NOW Supplements, Saccharomyces Boulardii, 5 Billion CFU Probiotic, 60 Veg Capsules

Warnings & notes

Important label or formulation details that may affect how this product should be interpreted.

There is a formulation caveat worth noting

Saccharomyces-boulardii: no form data available — bio score = 0

Note

Methodology

Read our methodology overview to understand how SuppScoreLab combines multiple scientific dimensions into one practical score.

View methodology →

This evaluation is based on the product label and declared Supplement Facts available at review time. It does not verify laboratory-tested composition, purity, or batch-level quality. This content is educational and not medical advice. Consult a qualified healthcare professional for personal health decisions. Affiliate disclosure: SuppScoreLab may earn a commission from qualifying Amazon links.

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