BioStacks
Swanson

Prebiotic

2 Capsules · 60 servings · $0.29/serving

iHerbAmazon

Every active here is dosed below the amount studied to work. See how each one compares in the breakdown below.

Ingredients (1)

NutraFlora® scFOS

15%

Dose

750 mg

Target

5000–10000 mg

Form

—

Other Ingredients (4)

Silicon DioxideAnti-caking

Fine silica powder used to prevent clumping

Calcium LaurateEmulsifier

Calcium salt of lauric acid used as a lubricant

HypromelloseCapsule

Plant-derived capsule material from cellulose

Microcrystalline CelluloseBinder

Plant-derived cellulose used as a binder and filler in supplements

How to Take It

Take it anytime

Timing doesn't matter for this one — taking it consistently does.

With or without food

On the label

As a dietary supplement, take 2 capsules daily or as directed by a healthcare practitioner.

General guidance based on the ingredients, not a substitute for the label or your doctor.

Price Check

$17.69

$10$20

Near the median of 28 prebiotic fiber supplements

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Sources & Scoring

Nutrient data (RDA, UL, and safety thresholds) sourced from the NIH Office of Dietary Supplements and the National Academies Dietary Reference Intakes (DRI).

This is not medical advice. Consult a healthcare provider before making changes to your supplement routine.

The score analyzes what's on the label: ingredient doses vs. studied ranges, chemical forms, evidence levels, and known interactions. It does not verify label accuracy or test for contaminants — for that, look for third-party certifications like USP or NSF.

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