PlainVitamins

Mega NAC + Quercetin

by Body Kitchen · capsule · 60 capsules

  • On the market (NIH)
  • UPC 8 50001 18319 2
  • DSLD label 276322
  • Serving 2 vegetable capsules
  • 30 servings

Mega NAC + Quercetin by Body Kitchen lists 3 ingredients, 3 with an amount per serving of 2 vegetable capsules, such as 600 mg of N-acetyl cysteine, 600 mg of quercetin dihydrate and 10 mg of bioperine. Its current label entered the NIH Dietary Supplement Label Database on November 22, 2022.

What is in Mega NAC + Quercetin?

Each row as the label prints it, per serving of 2 vegetable capsules. 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).

Mega NAC + Quercetin: Supplement Facts rows against the market (DSLD label 276322, January 2026 release)
IngredientAmount% DVAmong products listing it
N-Acetyl Cysteine600 mgN-Acetyl Cysteine in Mega NAC + Quercetin against 1,259 products600 mg per serving; the middle half of products list 55 mg to 500 mg, the median 150 mg.600 mg

Higher than 80% of 1,259 products listing N-acetyl cysteine (median 150 mg).

Quercetin Dihydrate600 mgQuercetin in Mega NAC + Quercetin against 1,548 products600 mg per serving; the middle half of products list 26.5 mg to 250 mg, the median 100 mg.600 mg

Higher than 94% of 1,548 products listing quercetin (median 100 mg).

Bioperineas Black Pepper Extract10 mgBlack Pepper in Mega NAC + Quercetin against 2,363 products10 mg per serving; the middle half of products list 5 mg to 10 mg, the median 5 mg.10 mg

Higher than 71% of 2,363 products listing black pepper (median 5 mg).

Source: NIH ODS Dietary Supplement Label Database, label 276322 (entered November 22, 2022), version 9.4.0. See the label on DSLD or its label image (PDF). Amounts are what the maker printed; DSLD does not test products. Daily Values: the FDA's Daily Value page.

Is that a lot?

The rows in the top or bottom tenth of the products that list the same ingredient, and any above the adult upper limit at the most servings a day the directions give:

  • Its 600 mg of quercetin is higher than 94% of the 1,548 quercetin products that print an amount; 88 list more.

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 Mega NAC + Quercetin's, rare ingredients counting for more.

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
Directions: As a dietary supplement, adults take 2 capsules daily with 8 fl oz of liquid.
Warnings
If you are pregnant, nursing or have a medical condition, consult your physician before use.
Do not use if inner seal is broken or missing.
Storage
Store in a cool, dry place.

Source: label statements in DSLD label 276322.

What else is on the label?

Other ingredients: Vegetable Cellulose, Nuflow Complex.

How many labels does Mega NAC + Quercetin have?

2 labels are on file under this name since December 26, 2020: other sizes, label designs and reformulations. The current one leads this page.

  1. Label 276322 (current) Entered November 22, 2022 · on the market · 60 capsules · UPC 8 50001 18319 2
  2. Label 241120 Entered December 26, 2020 · off the market March 14, 2022 · 60 capsules · UPC 8 50001 18319 2

Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).

Who makes it?

The label names Body Kitchen LLC (distributor), Monroe Twp, NJ, Kitchen. All Body Kitchen products.

Where next?