NAC 750 mg

by dr.bo · capsule · 90 capsules

  • On the market (NIH)
  • UPC X003F1J3EV
  • DSLD label 328682
  • Serving 1 capsule
  • 90 servings

NAC 750 mg by dr.bo lists one ingredient: 750 mg of N-acetyl L-cysteine per serving of 1 capsule. Its current label entered the NIH Dietary Supplement Label Database on July 24, 2025.

What is in NAC 750 mg?

Each row as the label prints it, per serving of 1 capsule. 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).

NAC 750 mg: Supplement Facts rows against the market (DSLD label 328682, January 2026 release)
IngredientAmount% DVAmong products listing it
N-Acetyl L-Cysteine750 mgN-Acetyl Cysteine in NAC 750 mg against 1,259 products750 mg per serving; the middle half of products list 55 mg to 500 mg, the median 150 mg.750 mg

Higher than 94% of 1,259 products listing N-acetyl cysteine (median 150 mg). Per day at the most servings: 2,250 mg.

Source: NIH ODS Dietary Supplement Label Database, label 328682 (entered July 24, 2025), 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 750 mg of N-acetyl L-cysteine (filed by NIH under N-acetyl cysteine) is higher than 94% of the 1,259 N-acetyl cysteine products that print an amount; 61 list more.

The NIH database records 1 to 3 servings 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?

6 products list the very same ingredients; the nearest amounts come first.

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: 1 capsules taken 1 to 3 times daily preferably with meals or as directed by a healthcare professional.
Warnings
Caution: Do not exceed recommended dose.
Pregnant or nursing mothers, children under 18, and individuals with a known medical condition should consult a physician before using this or any dietary supplement.
This product is manufactured and packaged in a facility which may also process milk, soy, wheat, egg, peanuts, tree nuts, fish and crustacean shellfish.
Keep out of the reach of children.
Do not use if safety seal is damaged or missing.
Allergens and what it does not contain
GMO-Free Zero Artificial colors & preservatives
Storage
Store in a cool, dry place.

Source: label statements in DSLD label 328682.

What else is on the label?

Other ingredients: Cellulose, Magnesium Stearate, Silicon Dioxide, Vanilla Flavor, Natural.

Seals and symbols as the label prints them (the maker's; a certifier's own list confirms a seal): Lab Tested GMP Sourced from a GMP Certified Facility Formulated in USA.

How many labels does NAC 750 mg have?

One label is on file, entered on July 24, 2025.

  1. Label 328682 (current) Entered July 24, 2025 · on the market · 90 capsules · UPC X003F1J3EV

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

Who makes it?

The label names DR.BO (distributor), Sherman Oaks, CA. All dr.bo products.

Where next?