Top 12 Food Sources Niacin or Vitamin B3

Niacin, also referred to as vitamin B3, is a water-soluble vitamin. It is a necessary micronutrient produced from the amino acid tryptophan. It can get obtained from each crops in addition to animals.

It can also be referred to as nicotinic acid and nicotinamide as a result of it acts as precursors to the nicotinamide coenzymes, nicotinamide adenine dinucleotide (NAD) and nicotinamide adenine dinucleotide phosphate (NADP). These coenzymes are important for the right functioning of the physique. Hence it is very important devour niacin-rich meals to maintain your physique wholesome.

Niacin or vitamin B-3 is of course present in some meals. It works as a cofactor, with greater than 400 enzymes depending on it for a number of reactions. Vitamin B-3 helps to transform vitamins into vitality.

It is necessary for the metabolism of macronutrients like proteins, carbohydrates, and fat. They are additionally useful in cell signalling, DNA restore, mobile metabolism, and respiration.

Moreover, it helps in sustaining wholesome pores and skin, digestive and nervous methods. Niacin can also be prescribed as a drugs for treating dyslipidemia. Studies point out that this micronutrient reduces levels of cholesterol by virtually 25 per cent and raises good levels of cholesterol by 15 to 35 per cent. 

Niacin deficiency results in crucial situations characterised by 3 D’s – Diarrhoea, Dermatitis and Dementia. Diarrhoea in pellagra is normally related to anorexia, nausea, glossaries, and dysphagia. It is because of irritation that extends all through the gastrointestinal tract. In dermatitis, there’s extreme pores and skin redness, resembling extreme sunburn, significantly on the arms, legs, and neck.

These lesions normally darken and peel off, leaving bleeding websites. The mobility of the affected areas will get lowered. Dementia results in temper adjustments and irritability. Chronic deficiency of niacin causes developmental abnormalities and may result in neoplasms.

The Recommended Dietary Allowance(RDA) of niacin for adults is 16 mg/day for males and 14 mg/day for girls. For pregnant girls, 18mg/day, and for lactating girls, 17mg/day will get really useful.

Health Benefits of Niacin

(*12*)1. Regulates digestion

Niacin is helpful for the digestive system as a result of it aids the conversion of vitamins like fat and carbohydrates into vitality. Its deficiency makes it troublesome for anybody to digest meals and ultimately results in gastrointestinal points.

2. Boosts psychological well being

Niacin is important for the mind to perform effectively and supply vitality. Its insufficiency will get linked to psychological fog and even psychiatric issues. Niacin can assist restore mind cell injury making it an efficient therapy for some types of schizophrenia. It additionally helps in sustaining mind well being in sufferers with Alzheimer’s illness. 

3. Supports coronary heart well being

The danger of heart problems will get additional decreased by this vitamin’s involvement in controlling your physique’s levels of cholesterol. Additionally, it reduces irritation and oxidative stress, damaging the center since they have an inclination to harden the arteries and hinder blood circulation. It opens blood arteries and improves blood circulation. and thus lowers the chance of coronary heart assault and stroke over the long run.

4. Treats pellagra

A extreme vitamin B3 deficiency will get indicated by individuals with weak muscle tissue, digestive points, pores and skin situations, or pellagra. An absence of vitamin B3 within the physique ends in the sickness of pellagra. As a part of therapy, it’s essential to incorporate extra vitamin B3 of their food plan or dietary supplements.

The HealthifyMe Note

Vitamin B3 is a necessary nutrient required for good well being. It is important for numerous mobile capabilities. It additionally boosts mind well being, eases digestion, helps coronary heart well being or prevents cardiovascular points, and treats pellagra.

Foods to Boost Your Niacin or Vitamin B3 Levels

1. Brown Rice

According to USDA, 100 grams of brown rice comprise about 4.31 mg of niacin. Brown rice is rather more nutritious than white rice as bran and germ get faraway from white rice. Brown rice is an effective supply of magnesium, phosphorus, and selenium and is excessive in fibre.

2. Peanuts

Peanuts are excessive in niacin. According to USDA, 100 grams of peanuts comprise about 12.1 mg of niacin. Peanuts will be consumed in quite a lot of methods. They can get consumed immediately after roasting or boiling.

Peanut oil is commonly utilized in cooking and is very fragrant. Peanut butter is a generally used unfold comprised of grounded and roasted peanuts. A peanut butter sandwich is a well-liked snack amongst kids, however pair it with complete wheat bread to make it wholesome.

3. Potato

Potatoes are extremely versatile and are consumed as mashed potatoes and within the type of curries. According to the USDA, 100 grams of potato comprise about 5.63 mg of niacin.

They are wealthy in starch and have negligible quantities of fats. They are additionally an excellent supply of vitamin B6 and vitamin C. However, keep away from extreme consumption of potatoes as it’d result in toxicity.

4. Sunflower Seeds

According to USDA, 100 grams of sunflower seeds comprise virtually 7 mg of niacin. They are normally consumed as snacks somewhat than together with them in meals.

They get typically roasted and eaten plain or salted. Prefer plain sunflower seeds over salted ones. Sprouted sunflower seeds can get utilized in salads or halwa, a well-liked dessert in Asian nations.

5. Pumpkin Seeds

According to USDA, 100 grams of pumpkin seeds comprise virtually 5 mg of niacin. They get consumed in related methods to sunflower seeds. These seeds are normally calorie and nutrient-rich and have an particularly excessive quantity of fats, protein, and dietary fibre with glorious quantities of zinc, manganese, and phosphorus.  

6. Whole Wheat Bread

According to USDA, commercially purchased 100 grams of complete wheat bread has 4.43 mg of niacin. Whole wheat is mostly superior to common white bread resulting from its low glycemic index and better dietary fibre. Individuals can eat whole-wheat bread with scrambled eggs or peanut butter, relying on their preferences.

7. Portabella Mushrooms

Portabella mushrooms are a wonderful supply of the vitamin B complicated. It can also be wealthy in riboflavin, selenium, and lots of different vitamins. According to USDA, 100 grams of portabella mushrooms comprise 4.49 mg of niacin. Included it within the food plan by grilling and steaming it. It can be consumed uncooked. 

8. Chicken liver

Chicken liver has quite a few well being advantages, that features the prevention of coronary heart ailments, stroke, hypercholesterolemia, and many others. According to USDA, 100 grams of hen liver incorporates 9.73 mg of niacin. You can embrace hen in your food plan, for instance, hen soup, salad, sandwich, and hen curry. 

9. Pork

Red meats are an excellent supply of niacin. According to USDA, 100 grams of pork incorporates 6.68 mg of niacin. It is wealthy in different important vitamins like vitamin D, selenium, phosphorus, and thiamine. Furthermore, it’s a good supply of protein. Pork is an appropriate meals for weight gainers. 

10. Beef Liver

Beef liver is nutrient-dense and has quite a few well being advantages. It has the best quantity of niacin per serving. According to the USDA, 100 grams of beef liver incorporates 13.2 mg of niacin. It additionally contains a number of different vitamins comparable to iron, magnesium, phosphorus, potassium, zinc, vitamin D, folate, riboflavin, pantothenic acid, selenium, vitamin A, and vitamin E. The liver will be boiled, fried, or consumed within the type of curry. 

11. Tuna

Tuna is a superb supply of B3 nutritional vitamins. According to USDA, 100 grams of tuna provides 18.5 mg of niacin. It is an especially versatile ingredient in sushi, sandwiches, and salads. This wholesome fish has numerous well being advantages; it contains stopping cardiovascular well being, supporting the immune system, boosting metabolism, and selling weight reduction. 

12. Salmon

Salmon is wealthy in vitamin B3. According to USDA, 100 grams of salmon incorporates 7.8 mg of niacin. Salmon is a wealthy supply of protein and omega-3 fatty acids, extensively consumed in Scandinavian nations and Japan. Omega-3 fatty acids positively have an effect on cardiovascular well being, diabetes, most cancers, Alzheimer’s illness, and dementia. 

The HealthifyMe Note

Vitamin B3 is excessive in crimson meats (beef liver, pork), tuna fish, salmon, brown rice, peanut, potato, sunflower seed, pumpkin seed, hen liver, complete wheat bread, and portabella mushrooms. It can also be current in traces in inexperienced peas, avocados, peaches, and many others. Incorporating these meals into your food plan can assist in stopping niacin deficiency. 


Niacin is an important nutrient that has numerous roles in sustaining good well being. It have to be consumed in appropriate quantities to keep away from deficiency that results in a number of well being issues.

Its deficiency results in pellagra, a critical situation characterised by 3 D’s: Diarrhea, Dermatitis, and Dementia. Various meals sources embrace niacin naturally and might get included within the food plan.

However, something in extra will be detrimental to well being. However, a excessive degree of vitamin B3 consumption could cause dizziness, fast heartbeat, diarrhoea, gout, stomach ache, itching, nausea, and extreme pores and skin flushing.

Frequently Asked Questions

Q. What fruit has probably the most niacin?

A. In basic, fruits wouldn’t have a excessive niacin content material. However, avocado, papayas, and raisins comprise niacin. The quantity ranges from 1.74- 0.766 mg per 100 grams. Apart from that, they’re additionally wealthy in good fat, fibre, vitamin C, and vitamin Ok. The excessive fibre content material makes it glorious for intestine well being. They additionally assist in sustaining the lipid profile and promote coronary heart well being.

Q. What vegetable has probably the most niacin?

A. Green peas, portabella mushrooms, and potatoes are good sources of niacin. According to USDA, potatoes encompass 5.63 mg of niacin per 100 grams. Therefore, together with these in your food plan can increase your niacin ranges. 

Q. What has a whole lot of niacin?

A. Niacin is extensively out there in crimson meats like beef liver, beef, and pork. Moreover, it is usually current in hen, tuna, and salmon. Peanuts, brown rice, mushrooms, and potatoes are nice vegetarian sources of niacin. Also present in hint quantities in tomatoes and strawberries. 

Q. Does oatmeal have niacin?

A. Oats or oatmeal has a really low quantity of niacin. This nutrient will get present in virtually negligible traces. 100 grams of niacin incorporates solely 0.23 mg of niacin which is 2 per cent of the each day requirement. 

Q. Are eggs excessive in niacin?

A. Eggs comprise a negligible quantity of niacin. 100 grams of eggs comprise solely 0.075 mg of niacin. However, they’re wealthy in protein, riboflavin, vitamin B12, and phosphorus. 

Q. Do candy potatoes have niacin?

A. Yes. 100 grams of candy potatoes comprise 1.5 mg or 10 per cent of the each day niacin requirement. They are additionally excessive in complicated carbohydrates, dietary fibres, vitamin A, vitamin C, and manganese. They get greatest consumed in boiled or roasted kind. 

Q. Do blueberries have niacin in them?

A. Yes, blueberries do comprise niacin however in a really small quantity. 100 grams of blueberries have solely 0.418 mg of niacin. However, they’re wealthy in phytochemicals. They are an excellent supply of vitamin C, Ok, and manganese. 

Q. Do strawberries have niacin?

A.Strawberries have negligible quantities of niacin. 100 grams of strawberries comprise solely 0.386 milligrams of niacin. However, they’re an excellent supply of vitamin C and manganese. 

Q. Are tomatoes excessive in niacin?

A. Tomatoes aren’t excessive in niacin. They comprise hint quantities of niacin, i.e. 100 grams of uncooked tomatoes comprise solely 0.594 mg of niacin. Tomatoes typically are excessive in vitamin C, folate, potassium, and antioxidants. 

Q. How a lot niacin is in peas?

A. Green peas (100 grams) comprise 2.09 mg of niacin. They are additionally an excellent supply of vitamin B-1 and vitamin C together with vitamin Ok. They are additionally excessive in dietary fibres, which is sweet for intestine well being.

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