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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
Verify with NIH DSLD → · FDA Daily Value reference → · Page 6 of 21

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

NOS Blast Creatine Nitro Solution
Precision Engineered
44 ingredients · Other Combinations
On Market
Nutra-Support Immune
Carlson
18 ingredients · Botanical with Nutrients
On Market
Ocu-Min Forte
Douglas Laboratories
36 ingredients · Other Combinations
On Market
One More Rep Berry Splash
BPI Sports
20 ingredients · Other Combinations
On Market
OptiCleanse GHI Chai
XYMOGEN
58 ingredients · Other Combinations
On Market
OptiCleanse GHI Chocolate Mint
XYMOGEN
66 ingredients · Other Combinations
On Market
OptiCleanse GHI Creamy Chocolate
XYMOGEN
59 ingredients · Other Combinations
On Market
OptiCleanse GHI Creamy Chocolate Sugar-& Stevia-Free
XYMOGEN
56 ingredients · Other Combinations
On Market
OptiCleanse GHI Lite Vanilla Delight Sugar- & Stevia-Free
XYMOGEN
55 ingredients · Other Combinations
On Market
OptiCleanse GHI Rice Original
XYMOGEN
58 ingredients · Other Combinations
On Market
OptiCleanse GHI Rice Raspberry Lemonade
XYMOGEN
62 ingredients · Other Combinations
On Market
OptiCleanse GHI Rice Vanilla Delight
XYMOGEN
62 ingredients · Other Combinations
On Market
OptiCleanse GHI Sugar-& Stevia-Free Chai
XYMOGEN
52 ingredients · Other Combinations
On Market
OptiCleanse Plus Creamy Chocolate No Added Sugar, No Stevia
XYMOGEN
50 ingredients · Other Combinations
On Market
OptiCleanse Plus Rice Original
XYMOGEN
53 ingredients · Other Combinations
On Market
OptiCleanse Plus Rice Raspberry Lemonade
XYMOGEN
57 ingredients · Other Combinations
On Market
OptiCleanse Plus Vanilla Delight No Added Sugar, No Stevia
XYMOGEN
49 ingredients · Other Combinations
On Market
Optimal Mineral Plus
Longevity Medical Clinic
17 ingredients · Other Combinations
On Market
Optimal Multivitamin
Seeking Health
67 ingredients · Other Combinations
On Market
Optimal Multivitamin Plus
Seeking Health
64 ingredients · Other Combinations
On Market
Oxy-5000 Forte
AB American Biologics
13 ingredients · Other Combinations
On Market
Oxy-5000 Forte
AB American Biologics
13 ingredients · Other Combinations
On Market
Oxy-5000 Forte
AB American Biologics
11 ingredients · Other Combinations
On Market
PaleoCleanse Functional Detoxification Powder
Designs for Health
58 ingredients · Other Combinations
On Market
PediaFocus - DF Natural Vanilla Flavor
Designs for Health
52 ingredients · Other Combinations
On Market
Picroliv & Boswellin Blend
AFI America's Finest
17 ingredients · Other Combinations
On Market
Poly-MVA Palladium Lipoic Complex
AMARC Enterprises
15 ingredients · Other Combinations
On Market
Poly-MVA Palladium Lipoic Complex
AMARC Enterprises
15 ingredients · Other Combinations
On Market
Power Liver Cleanse
Dr. Seth's Vitamin Vibrations
19 ingredients · Other Combinations
On Market
Power Vision Vitamins
California Academy of Health
15 ingredients · Other Combinations
On Market
Pre-Natal Packs
Biotics Research Corporation
46 ingredients · Other Combinations
On Market
ProGI Soothe Vanilla Flavor
NuMedica
56 ingredients · Other Combinations
On Market
Prostate Support
NaturesPlus AgeLoss
58 ingredients · Other Combinations
On Market
ProtoClear Detoxification Formula
Protocol For Life Balance
58 ingredients · Other Combinations
On Market
ProtoClear Natural Orange Flavor
Protocol For Life Balance
58 ingredients · Other Combinations
On Market
ProtoClear Natural Vanilla Flavor
Protocol For Life Balance
58 ingredients · Botanical with Nutrients
On Market
Pulmonary Factors
Nutra BioGenesis
17 ingredients · Other Combinations
On Market
Pure N-Acetyl L-Cysteine (NAC) Pharma Grade Powder
Hard Rhino
2 ingredients · Amino acid/Protein
On Market
Quantum Lung Support
Quantum Nutrition Labs
11 ingredients · Other Combinations
On Market
Quercetin 20x Plus
XYMOGEN
8 ingredients · Other Combinations
On Market
Quercetin 20x Plus
XYMOGEN
8 ingredients · Other Combinations
On Market
Quercetin Bromelain Complex with NAC
NHC Natural Healthy Concepts
9 ingredients · Other Combinations
On Market
Resbid N-Acetyl-L-Cysteine (Timed Release)
Ecological Formulas
5 ingredients · Non-Nutrient/Non-Botanical
On Market
RespiratoryCare+
Herbs SRA
9 ingredients · Other Combinations
On Market
Resveratrol Berberine Quercetin Apple Cider Vinegar Acai & Noni
Nutra Harmony
23 ingredients · Other Combinations
On Market
Seasonal Shield
NuMedica
14 ingredients · Other Combinations
On Market
Senior Men's Pack
Douglas Laboratories
75 ingredients · Other Combinations
On Market
Shockwave Fruit Punch
Sci-Fit
29 ingredients · Other Combinations
On Market
Shockwave Grape
Sci-Fit
29 ingredients · Other Combinations
On Market
Shockwave Orange
Sci-Fit
31 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 →

Magnesium
27,686 products · Non-nutrient/non-botanical
Citric Acid
10,081 products · Non-nutrient/non-botanical
Sucralose
5,697 products · Non-nutrient/non-botanical
Alcohol
4,787 products · Non-nutrient/non-botanical
Acesulfame potassium
3,384 products · Non-nutrient/non-botanical

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.

Read our methodology , how this data is sourced, computed, and verified.

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.