Niacin (Vitamin B3) is a water-soluble vitamin essential for energy metabolism, as it plays a role in converting food into usable cellular energy. It also supports cardiovascular and nervous system health.
For physically active individuals, niacin contributes to optimal energy production and may aid in circulation and cholesterol regulation.
Its vasodilatory effect (niacin flush) can improve blood flow temporarily, which is sometimes sought after in pre-workout formulations.
Synonyms:
Vitamin B3, Nicotinic Acid, Nicotinamide (related form).
Benefits:
- Supports energy production from carbohydrates and fats
- Enhances circulation and nutrient delivery
- May help regulate cholesterol and triglycerides
- Essential for nervous system function
Sources:
Found in meats, fish, whole grains, legumes, and fortified foods.
Observations:
Often included in B-complex supplements or multivitamins. High doses may cause a flushing sensation. Prolonged high intake can affect liver health.
Areas of Study Related:
Biochemistry, Sports Nutrition, Cardiovascular Science.