A typical 1 cup cooked serving of lupini beans contains 25.9 grams of protein (15.6 g per 100 g), which makes it an excellent source of protein. That covers roughly 52% of the 50 g reference Daily Value, so it can anchor a high-protein meal for the day.
Protein accounts for roughly 52% of the calories in lupini beans, making it very protein-dense. The rest comes from fat and carbohydrate, so it adds a solid amount of protein while still carrying real energy - useful when you are eating to a calorie target rather than under one.
Among the 54 legumes in the database, lupini beans ranks 1st by protein per serving, and 26th out of all 796 foods on the site. Set against dal, another legume entry in the database, a serving carries about 5.3 g more protein (dal has 20.6 g per 1 cup).
It is an incomplete protein on its own; pairing it with other plant foods across the day covers the full range of essential amino acids. The serving above is measured by volume at 166 g. The per-100 g figure lets you compare it directly against any other food here, whatever its serving.
Unusually high in protein for a bean, and traditionally brined before eating to remove bitterness.
Source: USDA FoodData Central #172424 - "Lupins, mature seeds, cooked, boiled, without salt" (SR Legacy, published 4/1/2019). Values are the published reference figures for that record, not lab measurements for a specific brand or batch.
Quick answers
Lupini beans protein FAQ
How much protein is in lupini beans per 100 g?
Lupini beans has 15.6 g of protein per 100 g. A typical 1 cup cooked serving (166 g) provides 25.9 g.
Is lupini beans a complete protein?
No. Lupini beans is an incomplete protein on its own; pairing it with other protein sources across the day covers the full range of essential amino acids.
How much of the Daily Value does a serving of lupini beans cover?
A 1 cup cooked serving of lupini beans contains 25.9 g of protein, about 52% of the 50 g reference Daily Value.
Is lupini beans a good source of protein?
Lupini beans is an excellent source of protein, and about 52% of its calories come from protein, which makes it very protein-dense. Set against dal, another legume entry in the database, a serving carries about 5.3 g more protein (dal has 20.6 g per 1 cup).