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Non-nutrient/non-botanical · Supplement ingredient

N-Acetyl Cysteine

N-Acetyl Cysteine is listed on 1,027 U.S. supplement product labels in the NIH DSLD, #201 of 4,614 by label frequency.

1,027
Products
#201 of 4,614
By frequency

How common is N-Acetyl Cysteine?

Number of supplement labels listing N-Acetyl Cysteine vs nearby non-nutrient/non-botanical ingredients

products
Source NIH Dietary Supplement Label Database (DSLD) As of 2026

Products containing N-Acetyl Cysteine

Glutathione Formula
Beyond Health
8 ingredients · Other Combinations
On Market
Glutathione Precursor Complex
Swanson
13 ingredients · Other Combinations
On Market
Gluten Support Packets
NuMedica
38 ingredients · Other Combinations
On Market
Glycine & NAC
DoNotAge.org
3 ingredients · Other Combinations
On Market
GLYNAC-ET 1050/100 mg
Nutri
12 ingredients · Other Combinations
On Market
Hair Care Plus
SimplySupplements
8 ingredients · Other Combinations
On Market
Heavy Metal Cleanz
Signature Supplements
12 ingredients · Other Combinations
On Market
Hepatatone Plus
Designs for Health
10 ingredients · Other Combinations
On Market
Hepatic Detox
ProEnzol
24 ingredients · Other Combinations
On Market
Hepatic Detox
ProEnzol
24 ingredients · Other Combinations
On Market
High Potency Liver Support Supplement
Vitals
28 ingredients · Other Combinations
On Market
High Potency Vita-Lea Gold With Vitamin K
Shaklee
48 ingredients · Other Combinations
On Market
Homocysteine Supreme
Designs for Health
15 ingredients · Other Combinations
On Market
IGA+Intercellular Glutathione Inducers
Ecological Formulas
14 ingredients · Other Combinations
On Market
Immune Support Pack
Douglas Laboratories
60 ingredients · Other Combinations
On Market
Impact Pump Blue Raspberry
ALLMAX
21 ingredients · Other Combinations
On Market
Intracellular Detox Complex
NBX Wellness
14 ingredients · Other Combinations
On Market
intraKID All-In-One All Natural Raspberry Flavor
Drucker Labs
304 ingredients · Botanical with Nutrients
On Market
Joint Health Essentials
SeniorLife Health
16 ingredients · Other Combinations
On Market
Kid's Factors Daily Nutrient Boost With Whey Protein
Natural Factors
59 ingredients · Other Combinations
On Market
Kid's Factors Wild Berry Smoothie Mix
Natural Factors
60 ingredients · Other Combinations
On Market
Life Extension Mix Capsules
Life Extension
62 ingredients · Other Combinations
On Market
Life Extension Mix Capsules without Copper
Life Extension
71 ingredients · Other Combinations
On Market
Life Extension Mix Powder
Life Extension
74 ingredients · Other Combinations
On Market
Life Extension Mix Tablets
Life Extension
76 ingredients · Other Combinations
On Market
Life Extension Mix Tablets with Extra Niacin
Life Extension
66 ingredients · Other Combinations
On Market
Life Extension Mix Tablets without Copper
Life Extension
65 ingredients · Other Combinations
On Market
Life with Iron
Shaklee
81 ingredients · Other Combinations
On Market
Liver & Organ Defender
Rich Piana 5% Nutrition
26 ingredients · Other Combinations
On Market
Liver Cleanser
GNC Preventive Nutrition
15 ingredients · Other Combinations
On Market
Liver Formula
GNC Preventive Nutrition
22 ingredients · Other Combinations
On Market
Liver Health Formula
GNC Preventive Nutrition
23 ingredients · Other Combinations
On Market
Liver Health Formula
Nature's Truth
23 ingredients · Other Combinations
On Market
Liver Health QRF
Troponin Nutrition
6 ingredients · Other Combinations
On Market
Liver Nutrients
Seeking Health
10 ingredients · Other Combinations
On Market
Liver Protect
XYMOGEN
10 ingredients · Other Combinations
On Market
Liver Protect
XYMOGEN
10 ingredients · Other Combinations
On Market
Liver Support
eXplicit Supplements
28 ingredients · Other Combinations
On Market
Liver Support
NutraBio
6 ingredients · Other Combinations
On Market
Lung Capaci-T
LifeSeasons Therapeutics
25 ingredients · Other Combinations
On Market
Maxi NAC Complex
Maxi Health
8 ingredients · Other Combinations
On Market
Maximum Anti-Oxidant Formula
Radiance
32 ingredients · Other Combinations
On Market
Maximum Antioxidant
Vitamin World
27 ingredients · Other Combinations
On Market
Mega Men Citrus
GNC Mega Men
53 ingredients · Other Combinations
On Market
Metabolic Cleanse
Douglas Laboratories
75 ingredients · Other Combinations
On Market
Metabolic Detox
Metabolic Maintenance
6 ingredients · Other Combinations
On Market
Metabolic Matrix
Energetix
39 ingredients · Other Combinations
On Market
Metabolic Ovary Support
DaVinci Laboratories
15 ingredients · Other Combinations
On Market
Metal Cleanse+
Zemvelo
10 ingredients · Other Combinations
On Market
Metal-X-Synergy
Designs for Health
14 ingredients · Other Combinations
On Market

Nearby Ingredients in Non-nutrient/non-botanical

Other ingredients in the Non-nutrient/non-botanical category cataloged in the NIH DSLD. Useful for comparing how common different nutrients are across the US supplement market.

Compare N-Acetyl Cysteine vs Magnesium →

Nationwide ingredients with similar DSLD presence

Two peer sets for N-Acetyl Cysteine: closest on total DSLD label listings (1,027 here) and closest on distinct brands that list it (276 here). Peers exclude the same DSLD category, and rows stay link-disjoint so each axis is a distinct neighborhood.

Similar label frequency

Nearest other ingredients by distinct DSLD product labels (floored at ≥50), outside this category.

Similar brand breadth

Nearest other ingredients by distinct brands listing them (floored at ≥100 brands), distinct from the label-frequency row.

Frequently asked about N-Acetyl Cysteine

How many supplement products contain N-Acetyl Cysteine?
1,027 supplement product labels in the NIH DSLD currently lists N-Acetyl Cysteine as an ingredient. By label frequency it ranks #201 of 4,614 among ingredients PlainVitamins ranks (same sort as /rankings/most-common-ingredients). Browse them below.

Source: NIH Office of Dietary Supplements, Dietary Supplement Label Database (DSLD). Regulatory reference: Source: Dietary Supplement Health and Education Act (DSHEA), 1994, 21 U.S.C. § 321(ff).

Disclaimer, Not Medical Advice: Information on this page is based on manufacturer-declared label data and is provided for educational and reference purposes only. It does not constitute medical, nutritional, or health advice. Consult a licensed healthcare provider before starting, stopping, or combining any supplement, especially if you are pregnant, nursing, take prescription medication, or have a medical condition.

Every figure on PlainVitamins is rendered directly from the NIH Dietary Supplement Label Database (DSLD), no number is typed in by an editor. Ingredient figures are computed directly from the NIH DSLD, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.