Ultra-Lax

product on market Tablet or Pill Natural Factors HerbalFactors Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 12% of ingredients have research evidence
B Label Compliance Grade

What the Evidence Says

AI-generated · Qwen 3.6 · methodology

Senna and Cascara Sagrada are stimulant laxatives with strong evidence for treating short-term constipation. Peppermint and licorice are used to soothe the digestive tract, though evidence for their efficacy in this specific combination is limited. The overall evidence coverage for this particular formulation is very low.

AI-generated summary based on research evidence. Not medical advice.

Label

Product Label

Label for Ultra-Lax
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Tablet(s)
Serving Size
Botanical with Nutrients
Product Type
12%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Calcium
80 mg (6% DV)
Market median: 142.5mg (70 products)
Cascara Sagrada
130 mg
40 mg
Market median: 420.0mg (127 products) 4 studies (A:0, B:1)
15 mg
Market median: 60.0mg (107 products) 1 studies — no high-quality reviews
Gentian
5 mg
Rhubarb
4 mg
Market median: 60.0mg (107 products) 1 studies — no high-quality reviews

Other Ingredients

Microcrystalline Cellulose Croscarmellose Sodium Magnesium Stearate
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested Usage: 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.

Warnings & Precautions

Notice: This product contains senna and cascara. Read and follow directions carefully. Do not use if you have or develop diarrhea, loose stools, or abdominal pain because senna and cascara may worsen these conditions and be harmful to your health.

Consult your health professional if you have frequent diarrhea, are pregnant or breastfeeding, are taking medication, or have a medical condition.

Sealed for your protection. Do not use if seal is broken.

Formulation Notes

Notice: This product contains senna and cascara.

Contains no artificial colors, preservatives, or sweeteners; no dairy, starch, sugar, wheat, gluten, yeast, soy, egg, fish, shellfish, animal products, salt, tree nuts, or GMOs.

Suitable for vegetarians/vegans.

Additional Information

isura Non-GMO - Mass spec Documentation - Lab tested

Natural Factors Ultra-Lax contains natural active herbal ingredients that product a gentle laxative effect in 6-12 hours.

Manufactured by Natural Factors to ensure safety and potency in accordance with Good Manufacturing Practices (GMP) of the FDA and Health Canada.

For freshness, store in a cool, dry place.

Product of Canada

Purity & potency guaranteed

Recyclable container and label.

Herbal formula

Gentle laxative relief

R4

Metadata

Product Details

UPC / SKU0 68958 04110 0
DSLD Entry Date2017-08-22
Product TypeBotanical with Nutrients
FormTablet or Pill
DSLD ID76280
Data Updated2026-04-11
Research

Research Evidence

849
Research Sources
56
Avg Quality
450
Meta Analysis
152
Rct
137
Systematic Review
73
Clinical Trial
11
Regulatory Source
7
Other
7
Guideline
3
Openfda Safety
2
Cochrane Review
2
Observational
A Phosphate binders for preventing and treating chronic kidney disease-mineral and bone disorder (CKD-MBD)
Meta Analysis The Cochrane database of systematic reviews 2018 PubMed DOI
A Calcium supplementation (other than for preventing or treating hypertension) for improving pregnancy and infant outcomes
Meta Analysis The Cochrane database of systematic reviews 2024 PubMed DOI
A Calcium supplementation (other than for preventing or treating hypertension) for improving pregnancy and infant outcomes
Meta Analysis The Cochrane database of systematic reviews 2015 PubMed DOI
A Vitamin and mineral supplementation for maintaining cognitive function in cognitively healthy people in mid and late life
Meta Analysis The Cochrane database of systematic reviews 2018 PubMed DOI
A Calcium supplementation during pregnancy for preventing hypertensive disorders and related problems
Meta Analysis The Cochrane database of systematic reviews 2025 PubMed DOI
A Dietary calcium supplementation for preventing colorectal cancer and adenomatous polyps
Systematic Review The Cochrane database of systematic reviews 2008 PubMed DOI
A Calcium and vitamin D for increasing bone mineral density in premenopausal women
Systematic Review The Cochrane database of systematic reviews 2023 PubMed DOI
A Dietary sodium, sodium-to-potassium ratio, and risk of stroke: A systematic review and nonlinear dose-response meta-analysis
Meta Analysis Clinical nutrition (Edinburgh, Scotland) 2019 PubMed DOI
A The association between circulating magnesium and clinically relevant outcomes in patients with chronic kidney disease: A systematic review and meta-analysis
Meta Analysis Clinical nutrition (Edinburgh, Scotland) 2021 PubMed DOI
A Calcium channel blockers versus other classes of drugs for hypertension
Systematic Review The Cochrane database of systematic reviews 2021 PubMed DOI
View all evidence for Electrolytes →
Compare

Similar Products

View all Electrolytes products →

This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.