Douglas Laboratories · Vitamin supplement
Tri-Niacin 250 mg Sustained Release Niacin
3 ingredients on file in the NIH Dietary Supplement Label Database. Off-market, label data preserved for reference.
- 3
- Ingredients
- 3
- Nutrient categories
- Top 91%
- By ingredient count
Tri-Niacin 250 mg Sustained Release Niacin is a vitamin supplement by Douglas Laboratories in capsule form, listing 3 ingredients in the NIH Dietary Supplement Label Database (DSLD), maintained by the Office of Dietary Supplements at the National Institutes of Health. Currently listed as off-market (no longer available for purchase, but label data is preserved). Daily Value percentages shown below are based on FDA reference daily intake amounts for adults.
Product Details
- Type
- 💊 Vitamin
- Form
- Capsule
- Database Entry Date
- 2012-06-25
- Ingredients
- 3
How does Tri-Niacin 250 mg Sustained Release Niacin compare?
Ingredients listed on each label, against the vitamin category average of 6.8. Data from the NIH DSLD.
Tri-Niacin 250 mg Sustained Release Niacin lists 1 ingredient more than 100% Natural E Liquid. That is 4 below the vitamin average.
What the Label Data Shows
Tri-Niacin 250 mg Sustained Release Niacin is a compact, 3-ingredient vitamin supplement from Douglas Laboratories, sold in capsule form, cataloged in the NIH Dietary Supplement Label Database (DSLD). These ingredients span 3 nutrient categories, vitamin, fiber, protein, reflecting a multi-component formula rather than a single-nutrient product.
With only 3 ingredients on the label, 3 of 3 have no FDA reference-intake value at all, unremarkable on a short ingredient list drawn from botanicals, amino acids, or other specialty compounds the FDA has never assigned a Daily Value to.
Availability status shapes how this label record is best used. This product is currently listed as off-market in the DSLD, with its label first entered into the database on 2012-06-25. Off-market products are no longer being produced or distributed under this label, but the DSLD preserves their historical label data for researchers, consumers checking older bottles, and for tracking how formulations have evolved.
About the DSLD database
The DSLD is a label database, not an FDA approval list, under the 1994 DSHEA framework, dietary supplements do not require pre-market approval, and label information reflects what manufacturers self-declare rather than independent laboratory verification. This page presents factual label data for reference only and is not medical advice; consult a licensed healthcare provider before making decisions about any supplement.
Source: NIH Office of Dietary Supplements, Dietary Supplement Label Database (DSLD) Supplement label data for Tri-Niacin 250 mg Sustained Release Niacin: ingredients, % Daily Value, market status, brand · 2026 DSLD captures manufacturer-self-declared label information; the NIH does not verify accuracy or evaluate safety/efficacy. Dietary supplements are regulated under DSHEA 1994, no pre-market FDA approval is required.
Ingredient Breakdown by Category
Daily Value Coverage
Frequently Asked Questions
What ingredients are in Tri-Niacin 250 mg Sustained Release Niacin? ▼
Who manufactures Tri-Niacin 250 mg Sustained Release Niacin? ▼
Is Tri-Niacin 250 mg Sustained Release Niacin still available for purchase? ▼
What is the serving size of Tri-Niacin 250 mg Sustained Release Niacin? ▼
What type of supplement is Tri-Niacin 250 mg Sustained Release Niacin? ▼
Data Sources & Methodology
Data as of 2025. Source: NIH Office of Dietary Supplements, Dietary Supplement Label Database (DSLD).
Supplement label data sourced from the Source: NIH Dietary Supplement Label Database (DSLD), maintained by the Office of Dietary Supplements at the National Institutes of Health. The DSLD contains label information from dietary supplement products marketed in the United States.
Daily Value (DV) percentages are based on Source: FDA 21 CFR 101.9 Reference Daily Intake (RDI) values for adults. Products marked "Off Market" may no longer be available for purchase but their label data remains in the database for reference.
Disclaimer, Not Medical Advice
Label data from the Source: NIH Dietary Supplement Label Database (DSLD). This information is for educational and reference purposes only and does not constitute medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider before starting, stopping, or combining any dietary supplement, especially if you are pregnant, nursing, take prescription medication, or have a medical condition.
Read our methodology , how this data is sourced, computed, and verified.
Every figure on PlainVitamins is rendered directly from the NIH Dietary Supplement Label Database (DSLD), no number is typed in by an editor. This page draws directly on the NIH DSLD, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.