🟢 100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 67% of ingredients have research evidence
A Label Compliance Grade

Product Label

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Label Data

1 Vegetarian Capsule(s) Serving Size
Other Combinations Product Type
67% Evidence Coverage

Supplement Facts — Evidence Check

70 mcg (100% DV)
✅ 1.3× RDA — within safe limits 📚 172 studies (Tier A: 0, B: 67)
RDA 0.055mg This product: 0.07mg UL 0.4mg
75 mcg (100% DV)
✅ 1.7× RDA — within safe limits 📚 2 studies — no high-quality reviews
RDA 0.045mg This product: 0.075mg UL 2mg
📊 Market median: 600.0mg (7 products) 📚 39 studies (Tier A: 2, B: 13)
This product: 600mg

Other Ingredients

Cellulose Water May contain one or more of the following:

Label Claims — Verification

All Other
All Other (98% of products) Structure/Function (79% of products) Nutrient (50% of products) Qualified Health (5% of products)

Target Groups

Adult (18 - 50 Years)

Product Information

📋 Directions for Use

Suggested Use: As a dietary supplement, adults take one (1) vegetarian capsule, two (2) to four (4) times daily between meals or as directed by a health care professional.

⚠️ Warnings & Precautions

Keep out of reach of children.

🧪 Formulation Notes

Contains No Added sugar, salt, dairy, yeast, wheat, corn, soy, preservatives, artificial colors or flavors.

Additional Information

Store in a cool, dry place and away from direct light.

QUALITY AND POTENCY GUARANTEED. MADE IN THE U.S.A.

Vb

N-Acetyl Cysteine

Product Details

DSLD Entry Date 2012-03-23
Product Type Other Combinations
Form Capsule
Brand Vitabase
DSLD ID 7174
Data Updated 2026-04-11

Research Evidence

273 Research Sources
55 Avg Quality Score
131 Meta Analysis
61 Systematic Review
55 Rct
19 Clinical Trial
2 Regulatory Source
1 Cochrane Review
1 Other
1 Observational
1 Openfda Safety
A Selenium for preventing cancer
Meta Analysis The Cochrane database of systematic reviews 2018
A Selenium supplementation for the primary prevention of cardiovascular disease
Meta Analysis The Cochrane database of systematic reviews 2013
A Selenium supplementation for critically ill adults
Meta Analysis The Cochrane database of systematic reviews 2015
A Vitamin E and the risk of prostate cancer: the Selenium and Vitamin E Cancer Prevention Trial (SELECT)
Rct JAMA 2011
B Selenium and prostate cancer: systematic review and meta-analysis
Meta Analysis The American journal of clinical nutrition 2012
B Selenium supplementation for Hashimoto's thyroiditis
Systematic Review The Cochrane database of systematic reviews 2013
B Pharmacological interventions for preventing dry mouth and salivary gland dysfunction following radiotherapy
Meta Analysis The Cochrane database of systematic reviews 2017
B Selenium, antioxidants, cardiovascular disease, and all-cause mortality: a systematic review and meta-analysis of randomized controlled trials
Meta Analysis The American journal of clinical nutrition 2020
B The effect of selenium supplementation on coronary heart disease: A systematic review and meta-analysis of randomized controlled trials
Meta Analysis Journal of trace elements in medicine and biology : organ of the Society for Minerals and Trace Elements (GMS) 2017
B Meta-analysis of selenium effects on the meat quality of broilers
Meta Analysis Poultry science 2024
View all evidence for Selenium →

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