🟢 Vitamin B3 (Niacin) Deficiency

 

🟢 Vitamin B3 (Niacin) Deficiency

Deficiency can cause a condition called Pellagra, which is characterized by the “3 D’s”:

1. Dermatitis – dark, scaly rash on sun-exposed areas

2. Diarrhea – digestive issues, nausea, vomiting

3. Dementia – confusion, memory loss, irritability

Other symptoms may include:

• Fatigue and weakness

• Headache

• Loss of appetite

• Glossitis (inflamed tongue)

Who is at risk?

• People with poor diets low in niacin and protein

• Chronic alcoholism

• Certain medical conditions (like Hartnup disease or carcinoid syndrome)

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🟢 Foods Rich in Vitamin B3 (Niacin)

• Meat (chicken, turkey, beef, pork)

• Fish (tuna, salmon, anchovies)

• Whole grains and fortified cereals

• Peanuts and peanut butter

• Legumes (lentils, beans)

• Mushrooms

• Eggs and dairy products

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✅ Summary:

• Deficiency → Pellagra (dermatitis, diarrhea, dementia)

• Food sources → meat, fish, whole grains, peanuts, legumes, mushrooms

I can make a full Vitamin B-complex table (B1–B12) showing deficiency symptoms + food sources so it’s easy to study and remember. It would be very handy.