© 2026 Supplement DB
Information is based on public data such as DSLD and PubChem. Always check the product label before purchasing.
Vitamins
Products with this ingredient (on market): 72
Across the listed products that contain Niacin/Niacinamide, we counted whether the amount is disclosed, how much is used, in which dosage forms and brands, and what it is combined with. This shows how the ingredient is used in a way a single label cannot.
| Amount disclosed | 72 | The label states a quantity |
|---|---|---|
| Amount not disclosed | 0 | Typically a component of a proprietary blend, where the manufacturer does not publish the amount |
| Measure | Amount | Meaning |
|---|---|---|
| Minimum | 15 mg | Lowest label value in the database |
| 25th percentile | 42.3 mg | A quarter of products are at or below this |
Klean Multivitamin
Klean Athlete
Ultra Preventive 2 Daily
Douglas Laboratories
Ultra Anti-Oxidant
Douglas Laboratories
C.V. Support Formula
Douglas Laboratories
Ultra Protein Plus Natural Chocolate Flavor
Douglas Laboratories
Gluco-Support Formula
Douglas Laboratories
Ultra Preventive
Douglas Laboratories
Executive Stress Formula
Douglas Laboratories
Ultra Preventive III with Copper
Douglas Laboratories
Ultra Preventive III With Copper & Iron
Douglas Laboratories
| Median | 95 mg | The middle value |
|---|
| 75th percentile | 190 mg | A quarter of products are at or above this |
|---|
| Maximum | 190 mg | Highest label value in the database |
|---|
| Form | Products | Share |
|---|---|---|
| Tablet | 43 | 60% |
| Capsule | 13 | 18% |
| Other (e.g. tea bag) | 12 | 17% |
| Powder | 4 | 6% |
| Brand | Products | Share |
|---|---|---|
| Douglas Laboratories | 31 | 43% |
| Douglas Laboratories | 6 | 8% |
| Douglas Laboratories | 6 | 8% |
| Martin Avenue Pharmacy | 6 | 8% |
| Douglas Laboratories |
| Ingredients | Products | Share |
|---|---|---|
| Choline | 73 | 101% |
| Vitamin D3 (Cholecalciferol) | 72 | 100% |
| Biotin (Vitamin B7) | 71 | 99% |
| Pantothenic Acid (Vitamin B5) | 71 | 99% |
These figures are mechanical summaries of label values from on-market products in our database. Serving definitions (number of capsules and so on) vary by product, and the figures are not intake guidance or recommendations. Check each product page and label for actual amounts.
| 5 |
| 7% |
| Douglas Laboratories | 4 | 6% |
| Douglas Laboratories | 4 | 6% |
| Klean Athlete | 2 | 3% |
| Douglas Laboratories | 1 | 1% |
| Douglas Laboratories | 1 | 1% |
| Vitamin A |
| 70 |
| 97% |
| Vitamin E | 69 | 96% |
| Zinc | 69 | 96% |
| Chromium | 69 | 96% |
| Inositol | 68 | 94% |
| Selenium | 67 | 93% |
| Molybdenum | 67 | 93% |
| Riboflavin (Vitamin B2) | 66 | 92% |
| Vitamin B12 | 66 | 92% |
| Thiamine (Vitamin B1) | 65 | 90% |
| Vitamin C | 63 | 88% |