PlainVitamins

Niacin 500 mg

by Wonder Laboratories · tablet or pill · 100 tablets

  • On the market (NIH)
  • DSLD label 260728
  • Serving 1 tablet
  • 100 servings

Niacin 500 mg by Wonder Laboratories lists 2 ingredients, 2 with an amount per serving of 1 tablet, such as 500 mg NE of niacin and 60 mg of calcium. Its current label entered the NIH Dietary Supplement Label Database on November 19, 2021.

What is in Niacin 500 mg?

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

Niacin 500 mg: Supplement Facts rows against the market (DSLD label 260728, January 2026 release)
IngredientAmount% DVAmong products listing it
Niacinas Nicotinic Acid500 mg NE3,125%Niacin in Niacin 500 mg against 12,413 products500 mg per serving; the middle half of products list 13.2 mg to 48 mg, the median 20 mg.DV 16 mgUL 35 mg500 mg

Higher than 98% of 12,413 products listing niacin (median 20 mg). 14.3 times the adult UL a day.

Calciumas Dicalcium Phosphate60 mg5%Calcium in Niacin 500 mg against 17,831 products60 mg per serving; the middle half of products list 50 mg to 252 mg, the median 115 mg.DV 1,300 mgUL 2,500 mg60 mg

68% of 17,831 products listing calcium give more (median 115 mg).

Source: NIH ODS Dietary Supplement Label Database, label 260728 (entered November 19, 2021), 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:

  • At 1 serving a day, the most its directions give, the label lists 500 mg of niacin, 14.3 times the adult Tolerable Upper Intake Level.

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?

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
Directions: As a dietary supplement, take 1 tablet daily.
Warnings
Tamper evident: Do not use this product if imprinted foil seal under cap is broken or missing.
Keep out of reach of children.
Warning: Niacin may cause a warm flushing of the skin. This reaction can usually be relieved by drinking one or two glasses of water.
If you are pregnant or nursing, consult your physician before taking this product.
In case of accidental overdose, seek professional assistance immediately.
Allergens and what it does not contain
Gluten free
Storage
Keep tightly closed. Store at room temperature: 59 degrees - 86 degrees F (15 degrees to 30 degrees C).

Source: label statements in DSLD label 260728.

What else is on the label?

Other ingredients: Vegetable Cellulose, Vegetable Stearic Acid, Vegetable Magnesium Stearate, Silica.

How many labels does Niacin 500 mg have?

One label is on file, entered on November 19, 2021.

  1. Label 260728 (current) Entered November 19, 2021 · on the market · 100 tablets

DSLD also links this label to: Niacin 500 mg Timed Release (package size difference, same product), Niacin Time Release 500 mg (package size difference, same product).

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

Who makes it?

The label names Wonder Laboratories (distributor), White House, TN. All Wonder Laboratories products.

Where next?