B3

Vitamin B3 (Niacin)

Essential for cellular health, mental clarity, and vibrant skin

Daily Target:

16.5 milligrams (mg) for men / 13.2 mg for women

Vitamin B3, or Niacin, is a multitasking nutrient that works at a foundational, cellular level. It's essential for converting the food you eat into energy and plays a critical role in DNA repair, which helps keep your cells healthy and functioning correctly. This vital work supports everything from your nervous system to the health of your skin. A practical quality of Niacin is its resilience. It is remarkably heat-stable, so its nutritional value holds up well during cooking, making it a reliable nutrient in many of your favorite meals.

Good sources

Brown rice serving

Brown rice
B3

provides

3 mg

1 chicken breast

Chicken
B3

provides

22.6 mg

20 peanuts

Peanuts
B3

provides

4 mg

1 portion of tuna (100 g)

Tuna
B3

provides

10 mg

1 slice of wholemeal bread

Wholemeal bread
B3

provides

2.5 mg

What the research says

🇬🇧Learn about the B vitamins' key role in your health, the best food sources, and the daily amount to aim for.NHS: vitamin B guide

This Nutrient Supports