Foods Highest in Niacin (B3)

Quick answer

In our data the foods with the highest niacin (B3) per 100 g are Tuna (22.1 mg), Beef Liver (17.5 mg), Peanuts, dry-roasted (14.4 mg). This ranks the 758 foods that have a niacin (B3) value out of 790 relevant foods; dried foods and spices are listed separately because they are concentrated. Values come unchanged from USDA FoodData Central, UK CoFID and the Canadian Nutrient File.

Top foods by category

• Fruits: Groundcherry (2.8 mg), 100 foods with a value
• Vegetables: Maitake mushrooms (6.58 mg), 195 foods with a value
• Nuts & Seeds: Peanuts (12.1 mg), 32 foods with a value
• Legumes: Peanuts, dry-roasted (14.4 mg), 40 foods with a value
• Grains: Rice, black (8.28 mg), 39 foods with a value
• Meat & Poultry: Beef Liver (17.5 mg), 123 foods with a value
• Fish & Seafood: Tuna (22.1 mg), 103 foods with a value
• Dairy & Eggs: American cheese (5.56 mg), 94 foods with a value
• Traditional foods: Mutton (6.52 mg), 29 foods with a value
• Other: Peas, raw (UK record) (2.5 mg), 3 foods with a value

Full ranking: 758 foods by niacin (B3) per 100 g

Dried foods and spices (ranked separately)

Coverage and limitations

• 758 of 790 relevant foods have a niacin (B3) value; 32 are not ranked because the source has none.
• All amounts are per 100 g of the food as described by the source record, in mg. Preparation is shown for every row and is never merged: the same food cooked differently is a separate record.
• Ranks are positions in this dataset only. Food composition varies by variety, season and processing.
• We do not show recommended intakes or health claims on this page. It is general information and not medical advice. Read more in About our data.

Questions about niacin (B3) in foods

Which food has the most niacin (B3) in this dataset?

Tuna has the highest niacin (B3) value in our ranking: 22.1 mg per 100 g (USDA SR Legacy record 172006). This is the highest among the 758 foods with a value, not a statement about every food in existence.

What do the numbers mean?

Each value is the amount of niacin (B3) in mg per 100 g of the food as described by the source record, for the preparation shown on that row. The unit is mg.

How complete is the data for niacin (B3)?

758 of the 790 relevant foods in our data have a niacin (B3) value (96%). 32 have no usable value and are not ranked; a missing value is never treated as zero.

Why are dried foods and spices listed separately?

Dried foods, powders and spices are measured in a concentrated form, so they would outrank fresh foods per 100 g. We rank 98 such foods separately (the highest is Baobab powder at 20 mg).

Where do the values come from?

One source record is used per food, in a fixed order: USDA FoodData Central (Foundation Foods, then SR Legacy), then UK CoFID, then the Canadian Nutrient File. Values are never averaged. In this ranking: USDA SR Legacy (553 foods), UK CoFID (118 foods), Canadian CNF (47 foods), USDA Foundation (40 foods).

Tools for this nutrient

• Calculate how much of a food provides a nutrient amount
• Explore food combinations for nutrient targets