Vitamin B3 (Niacin)

Definition

Vitamin B3, also known as niacin, is a nutrient that helps convert food into energy and supports skin, digestive, and nervous system health.

Scientific / Technical Definition

Vitamin B3 (Niacin) is an essential water-soluble vitamin that is part of the B-vitamin complex. It plays a critical role in energy production by participating in redox reactions through its involvement in the coenzymes NAD and NADP, which are crucial in metabolic pathways. Niacin is important for DNA repair, antioxidant defense, and can help regulate lipid metabolism and cholesterol levels.

Benefits

• Improves cholesterol levels by increasing high-density lipoprotein (HDL) cholesterol.
• Enhances brain function and may protect against neurodegenerative diseases.
• Supports digestive health by aiding in the production of stomach acid.
• Helps convert food into usable energy.
• May reduce symptoms of arthritis and may improve joint mobility.

Examples

• Chicken breast
• Tuna
• Turkey
• Salmon
• Brown rice
• Peanuts
• Avocado

Additional Information

• effects: This nutrient has important effects on the nervous and cardiovascular systems, and it helps maintain healthy skin.

Related Terms

• Vitamin B Complex
• Vitamin B6 (Pyridoxine)
• Vitamin B12 (Cobalamin)
• Riboflavin

References

• National Institutes of Health: Niacin - Health Professional Fact Sheet
• Mayo Clinic: Niacin (Vitamin B3)