NAC 575 mg
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 Capsule(s)
Serving Size
100
Servings
Other Combinations
Product Type
67%
Evidence Coverage
Supplement Facts — Evidence Check
50 mcg
(71% DV)
✅ Within RDA (0.9× RDA of 0.055 mg)
📚 172 studies (Tier A: 0, B: 67)
50 mcg
(67% DV)
✅ 1.1× RDA — within safe limits
📚 2 studies — no high-quality reviews
575 mg
📊 Market median: 600.0mg (7 products)
📚 39 studies (Tier A: 2, B: 13)
Other Ingredients
Gelatin Capsules
Label Claims — Verification
❓
Nutrient
❓
All Other
❓
Structure/Function
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: Take 1 capsule, preferably with a meal, or as directed by a healthcare professional.
⚠️ Warnings & Precautions
Keep away from children.
Warning: If you are pregnant, nursing or taking any medications, consult your doctor before use.
If any adverse reactions occur, immediately stop using this product and consult your doctor. If seal under cap is damaged or missing, do not use.
🧪 Formulation Notes
Our products don’t contain flow agents like magnesium stearate. Not now, not ever.
N-acetyl cysteine
Antioxidant support
Additional Information
Store at room temperature.
Made in USA
Leader in purity Established by Dr. Clark’s Family in 1993
GMP Quality Assured
Company does not adopt any Dr. Clark claims.
Product Details
UPC / SKU
6 52384 10424 1
DSLD Entry Date
2020-05-22
Product Type
Other Combinations
Form
Capsule
Brand
Dr. Clark Store
DSLD ID
219990
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
Vitamin E and the risk of prostate cancer: the Selenium and Vitamin E Cancer Prevention Trial (SELECT)
B
Pharmacological interventions for preventing dry mouth and salivary gland dysfunction following radiotherapy
B
Selenium, antioxidants, cardiovascular disease, and all-cause mortality: a systematic review and meta-analysis of randomized controlled trials
B
The effect of selenium supplementation on coronary heart disease: A systematic review and meta-analysis of randomized controlled trials
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