NAC (N-Acetyl-Cysteine)
by Welessentials · tablet or pill · 60 vegetarian tablets
- On the market (NIH)
- UPC 6 35797 31785 9
- DSLD label 241061
- Serving 2 tablets
- 30 servings
NAC (N-Acetyl-Cysteine) by Welessentials lists 9 ingredients, 9 with an amount per serving of 2 tablets, such as 375 mg of vitamin C, 2 mg of vitamin B6, 400 mcg of folic acid and 6 mcg of vitamin B12. Its current label entered the NIH Dietary Supplement Label Database on January 22, 2021.
What is in NAC (N-Acetyl-Cysteine)?
Each row as the label prints it, per serving of 2 tablets. The capsule beside an amount places it among every product in the NIH database that lists the same ingredient: the bar is the middle half of their amounts, the line in it the median, the whiskers the 10th and 90th percentiles; the green tick is the FDA Daily Value and the red dashed tick the adult upper limit (IOM).
| Ingredient | Amount | % DV | Among products listing it |
|---|---|---|---|
| Vitamin Cas Ascorbic Acid | 375 mg | 625% | Higher than 79% of 18,583 products listing vitamin C (median 100 mg). |
| Vitamin B6as Pyridoxine HydrochlorideVitamin B6 (Form: as Pyridoxine HCl) | 2 mg | 100% | 69% of 15,277 products listing vitamin B6 give more (median 6 mg). |
| Folic Acid | 400 mcg | 100% | 24% of 7,022 products listing folate give more (median 400 mcg). |
| Vitamin B12as MethylcobalaminVitamin B12 (Form: as Methylcobalamin) | 6 mcg | 100% | 74% of 14,425 products listing vitamin B12 give more (median 36 mcg). |
| Zincas Zinc GluconateZinc (Form: as Zinc Gluconate) | 10 mg | 67% | 51% of 13,186 products listing zinc give more (median 11 mg). |
| Seleniumas L-SelenomethionineSelenium (Form: as L-Selenomethionine) | 25 mcg | 36% | 75% of 7,658 products listing selenium give more (median 55 mcg). |
| Molybdenumas Molybdenum Chelate | 50 mcg | 67% | 41% of 4,390 products listing molybdenum give more (median 50 mcg). |
| NAC | 600 mg | Higher than 80% of 1,259 products listing N-acetyl cysteine (median 150 mg). | |
| Grape Seed Extractas Polyphenols | 100 mg | Higher than 58% of 1,900 products listing grape (median 50 mg). |
Source: NIH ODS Dietary Supplement Label Database, label 241061 (entered January 22, 2021), version 9.4.0. See the label on DSLD. Amounts are what the maker printed; DSLD does not test products. Daily Values: the FDA's Daily Value page.
Is that a lot?
Every amount on this label with a position sits within the middle 80% of the products that list the same ingredient.
The NIH database records one serving a day from the label's directions; its % Daily Values are for adults and children 4 or more years of age. The directions as printed are further down this page.
The Tolerable Upper Intake Level is the most of a nutrient per day, from food, water and supplements together, that is likely to pose no risk for almost all adults (Institute of Medicine, 2011). It does not apply under medical supervision. This page compares labels; it is not medical advice.
Sources: amounts from the DSLD label; Daily Values from 21 CFR 101.9(c)(8)(iv); adult upper limits from the Institute of Medicine's DRI summary tables (2011). How positions are computed.
Which products have the closest formulas?
The products whose ingredient lists overlap most with NAC (N-Acetyl-Cysteine)'s, rare ingredients counting for more.
- MethylCareMetagenics 6 shared, 48% alike
- Methylation SupportAkasha Naturals 6 shared, 48% alike
- Brain ComplexHigher Nature 7 shared, 43% alike
- NAC 600 mgVitabase 3 shared, 43% alike
- N-Acetyl CysteinePhysician's Preference · off the market 3 shared, 43% alike
- Best NAC Detox RegulatorsDoctor's Best · off the market 3 shared, 43% alike
Source: ingredient lists of every product's current label in DSLD (version 9.4.0); similarity weights each shared ingredient by how rare it is.
What does the label say about taking it?
Quoted from the label as DSLD transcribed it: the maker's words, including any claim about what the product does, which the FDA has not evaluated and PlainVitamins does not endorse.
- Directions
- Suggested Use: Take 2 tablets per day or as directed by your qualified healthcare professional.
- Warnings
- Warning: If you are pregnant, breastfeeding, on medication or have a known medical condition, consult a qualified healthcare professional before taking this product.
- Keep out of reach of children.
- Do not use if seal under cap is broken or missing.
- Allergens and what it does not contain
- Contains No: Dairy, Soy, Fish, Gluten, Peanuts, Shellfish, Tree Nuts, Wheat or Yeast. No Artificial Flavors or Colors.
- Storage
- Store in a cool, dry place.
Source: label statements in DSLD label 241061.
What else is on the label?
Other ingredients: Cellulose, Stearic Acid, Dicalcium Phosphate, Croscarmellose Sodium, Magnesium Stearate, Silicon Dioxide, Xanthan Gum, Hydroxypropyl Cellulose, Hypromellose, natural Peppermint flavor, Carnauba wax.
How many labels does NAC (N-Acetyl-Cysteine) have?
One label is on file, entered on January 22, 2021.
- Label 241061 (current) Entered January 22, 2021 · on the market · 60 vegetarian tablets · UPC 6 35797 31785 9
Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).
Who makes it?
The label names Drinkwel, LLC (distributor), Irvine, CA. All Welessentials products.