About Vitamin B3
Vitamin B3, also known as niacin, is a water-soluble vitamin that supports metabolism and helps the body convert food into usable energy.
It is essential for nervous system health, digestion, and maintaining healthy skin.
Why Is Vitamin B3 Important?
Vitamin B3 plays a key role in energy production, supports brain function, and helps maintain healthy cholesterol levels.
Benefits of Vitamin B3
- Supports energy production
- Helps brain and nervous system function
- Supports heart health
- Helps maintain healthy skin
- Supports metabolism
Foods Rich in Vitamin B3
- Chicken breast
- Tuna
- Turkey
- Beef
- Peanuts
- Mushrooms
- Whole grains
Top 3 Foods Highest in Vitamin B3
- Chicken Breast – one of the best sources of niacin
- Tuna – very rich in vitamin B3 and protein
- Peanuts – great plant-based source
Vitamin B3 Daily Intake
| Group | Recommended Daily Intake |
| Adult Men | 16 mg |
| Adult Women | 14 mg |
| Children | 6–12 mg |
Vitamin B3 Deficiency Symptoms
- Fatigue
- Skin problems
- Digestive issues
- Memory problems
- Irritability
Vitamin B3 Overdose Risks
- Skin flushing
- Nausea
- Liver problems (high doses)
Vitamin B3 Supplements
Supplements may help people with deficiencies or specific health conditions.
High doses should be used carefully and only with medical advice.
Related Vitamins and Minerals
FAQ
What happens if I don’t get enough vitamin B3?
Deficiency can cause fatigue, skin issues, and digestive problems.
Can I get vitamin B3 from food only?
Yes, meat, fish, and nuts provide enough for most people.
Is vitamin B3 important for energy?
Yes, it helps convert food into energy.