BioStacks
Natural Factors

Ultra-Lax

1 Tablet · 90 servings · $0.10/serving

iHerbAmazon

Ingredients (8)

Cascara Sagrada

100%

Dose

130 mg

Target

100–1000 mg

Form

—

Senna extract 4:1

100%

Dose

60 mg

Target

15–30 mg

Form

Not listed

Licorice

27%

Dose

40 mg

Target

150–500 mg

Form

—

Peppermint oil

8%

Dose

15 mg

Target

180–675 mg

Form

Premium

Gentian

5%

Dose

5 mg

Target

100–1000 mg

Form

—

Other Ingredients (3)

Magnesium StearateLubricant

A salt of stearic acid used as a lubricant in tablet and capsule production

Croscarmellose SodiumDisintegrant

Cross-linked cellulose derivative used as a superdisintegrant

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

For the relief of occasional constipation take 1 tablet at bedtime. If bowel does not act by midmorning of the following day, take another tablet.

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

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Sources & Scoring

Nutrient data (RDA, UL, and safety thresholds) sourced from: NIH Office of Dietary Supplements and 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. clinical 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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