Vitamin B3 (Niacin)

Definition

Vitamin B3, also known as Niacin, is a water-soluble vitamin that helps convert food into energy and is essential for the health of skin, nervous system, and digestion.

Scientific / Technical Definition

Vitamin B3, or Niacin, is an essential nutrient that plays a crucial role in cellular metabolism and energy production. It is involved in the synthesis of nicotinamide adenine dinucleotide (NAD), a coenzyme critical for over 400 enzymatic reactions in the human body.

Benefits

• Supports energy production
• Helps maintain healthy skin
• Supports the digestive system
• Contributes to normal nervous system function
• May aid in reducing cholesterol levels

Examples

• Chicken breast
• Tuna
• Salmon
• Whole grains
• Peanuts

Additional Information

• Side effects: Excessive intake of Niacin can lead to skin flushing, itching, and liver damage.

Related Terms

• Vitamin B complex
• NAD
• Nicotinamide
• Riboflavin
• Thiamine

References

• Niacin: Health Benefits, Uses, and Risks
• Vitamin B3 (Niacin) Fact Sheet for Health Professionals