21st Century Niacin Vitamin B3 Prolonged Release gives you 500 mg of niacin in a tablet designed to release gradually through your day. It suits adults who want simple daily support for energy metabolism and for their heart and nervous system. With 100 tablets in the bottle, it works well as part of an everyday routine.
Key Features
- 500 mg niacin (vitamin B3) per prolonged-release tablet
- Gradual-release design meters niacin out over time for smoother, steadier support
- Niacin helps convert food into usable energy and supports heart and nervous system health
- Non-GMO, gluten free and vegan-friendly
- 100 tablets per bottle for months of daily support
- Made in the USA from domestic and globally sourced ingredients in an FDA-registered, quality-tested facility, trusted for 35+ years
Ingredients
Niacin. Other Ingredients: Cellulose, Hydroxypropyl Methylcellulose, Stearic Acid, Silicon Dioxide, Magnesium Stearate, PEG.
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