21st Century Niacinamide, Prolonged Release , 110 Tablets
UPC: 740985225509
21st Century Niacinamide 500 mg is a prolonged-release vitamin B3 supplement designed to support energy metabolism, heart health, and nervous system function. It uses niacinamide, a form of niacin that the manufacturer notes has a lower flushing effect compared to standard niacin, and includes calcium carbonate as an additional mineral.
This product is formulated with a prolonged-release tablet technology, which may help provide a steady supply of the vitamin over time. The manufacturer states it is vegan-friendly and free from added sugar, salt, yeast, preservatives, artificial flavors, or colors. It comes in a bottle of 110 tablets, with directions to take one daily with a meal to minimize stomach discomfort.
21st Century highlights over 30 years of experience in producing vitamins, with an emphasis on quality control through ingredient sourcing and testing processes. The product is certified gluten-free and non-GMO.
At a glance
Supplement Facts
| Ingredient | Amount Per Serving | % Daily Value |
|---|---|---|
| Niacinamide | 500 mg | 3,125% |
| Calcium (as Calcium Carbonate) | 160 mg | 12% |
| † Daily Value not established | ||
Other Ingredients
Cellulose, hydroxypropyl methylcellulose, stearic acid. Contains <2% of: Gum acacia, magnesium silicate, magnesium stearate, polyethylene glycol, polysorbate, polyvinyl alcohol, silicon dioxide.
No added sugar, salt, yeast, preservatives, artificial flavors or colors.
Certifications & Claims
Label Information
Directions, warnings, and other information directly from the product label.
Suggested Use
As a vitamin supplement, adults take one (1) tablet daily with any meal or as directed by a healthcare provider. Do not take on an empty stomach. Do not exceed recommended dosage.
Warning
Individual results may vary.Consult a healthcare provider prior to use if pregnant, nursing, on medications or other supplements, have a medical condition (especially, kidney disorders, liver damage, heart disease, diabetes, or gout) or are planning a medical procedure. Stop use and contact a physician if adverse reactions occur. Sensitive individuals may experience temporary flushing when using product. Keep out of reach of children. Do not use if product appears to be tampered with or seal is broken. Store at room temperature.
Product Info
- Brand
- 21st Century
- UPC
- 740985225509
- Package Qty
- 110 count
- Dimensions
- 1.8 x 2.4 x 3.7 in
- Shipping Weight
- 0.35 lb
- First Available
- 05/2012





