NAC Md
by MD Prescriptives · capsule · 90 capsules
- On the market (NIH)
- DSLD label 261514
- Serving 1 capsule
- 90 servings
NAC Md by MD Prescriptives lists 3 ingredients, 3 with an amount per serving of 1 capsule, such as 15 mcg of selenium, 600 mg of N-acetylcysteine and 150 mcg of melatonin. Its current label entered the NIH Dietary Supplement Label Database on April 11, 2022.
What is in NAC Md?
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).
| Ingredient | Amount | % DV | Among products listing it |
|---|---|---|---|
| Seleniumas Sodium Selenite | 15 mcg | 27% | 90% of 7,658 products listing selenium give more (median 55 mcg). |
| N-Acetylcysteine | 600 mg | Higher than 80% of 1,259 products listing N-acetyl cysteine (median 150 mg). | |
| Melatonin | 150 mcg | over 99% of 1,557 products listing melatonin give more (median 3 mg). |
Source: NIH ODS Dietary Supplement Label Database, label 261514 (entered April 11, 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:
- 90% of the 7,658 products that print an amount of selenium list more than its 15 mcg of selenium (median 55 mcg).
- over 99% of the 1,557 products that print an amount of melatonin list more than its 0.15 mg of melatonin (median 3 mg).
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 Md's, rare ingredients counting for more.
- NACSuperiorLabs · off the market 2 shared, 62% alike
- NAC 600 mgVitabase 2 shared, 48% alike
- N-Acetyl CysteinePhysician's Preference · off the market 2 shared, 48% alike
- Best NAC Detox RegulatorsDoctor's Best · off the market 2 shared, 48% alike
- NAC N-Acetyl Cysteine 600 mgCalifornia Academy of Health 2 shared, 48% alike
- NAC 575 mgDr. Clark Store 2 shared, 48% 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
- Directions: Take one capsule at bedtime or as directed by your healthcare practitioner.
- Warnings
- Warning: Keep out of reach of children.
- Do not use if seal is broken.
- If you are nursing, pregnant, taking medication or have a medical condition, consult your physician before taking this product.
- Allergens and what it does not contain
- "Our products are uniquely formulated to be highly bioavailable and are hypoallergenic with no hidden fillers, artificial colors, fragrance or harsh chemicals. This product contains no milk, egg, fish, peanuts, crustacean shellfish (lobster, crab, shrimp), wheat, yeast, gluten, preservatives or artificial sweeteners. This product is also third party verified GMO-free, and is manufactured at a good manufacturing practices (cGMP) compliant facility. Manufactured with love in the USA."
Source: label statements in DSLD label 261514.
What else is on the label?
Other ingredients: Vegetarian Capsules, Cellulose, Rice Extract Blend.
How many labels does NAC Md have?
One label is on file, entered on April 11, 2022.
- Label 261514 (current) Entered April 11, 2022 · on the market · 90 capsules
Source: DSLD label entry and market events, version 9.4.0 (labels entered through September 25, 2025).
Who makes it?
The label names MD Prescriptives, LLC (manufacturer, distributor), Orlando, FL. All MD Prescriptives products.