#10 of 27 in Legume · scored 92/100
Also known as red lentils, green lentils, brown lentils
Lentils are nutrient-dense legumes rich in plant-based protein, fiber, and micronutrients, making them a cornerstone food for sustained energy and metabolic health.
11.0 g net carbs after fiber.
Representative amounts for this food, not measured for this item. Real content varies widely by variety, ripeness and storage.
These are the scored components, not a sum: the published score also reflects normalisation across the catalog, so the parts above will not add to 92.
Lentils (Lens culinaris) originated in the Fertile Crescent and have been cultivated for over 13,000 years, becoming a dietary staple across Mediterranean, Middle Eastern, and South Asian cuisines. Per 100g, cooked lentils deliver 9g protein, 7.9g fiber, and exceptional micronutrient density including 181mcg folate, 3.33mg iron, and 369mg potassium—all critical for cellular energy production and cardiovascular function. Unlike many plant proteins, lentils contain a complete amino acid profile with meaningful lysine content, supporting muscle maintenance and collagen synthesis crucial for healthy aging. The high polyphenol content, particularly in red and black varieties, provides antioxidant and anti-inflammatory benefits. Lentils have a low glycemic index (GI ~21), stabilizing blood glucose and supporting metabolic health—key factors in longevity. Their resistant starch and prebiotic fiber feed beneficial gut bacteria, strengthening the microbiome-aging axis. Clinical evidence links legume consumption to reduced cardiovascular disease risk, improved cholesterol profiles, and enhanced insulin sensitivity. The bioavailability of minerals like iron and zinc improves when paired with vitamin C sources, making preparation method and food combination critical for nutrient optimization.
High fiber content (7.9g per 100g) and low glycemic index slow carbohydrate absorption, reducing postprandial glucose spikes and improving insulin sensitivity over time
Complete plant protein (9g per 100g) contains all essential amino acids including leucine, which activates mTOR signaling for muscle protein synthesis; lysine supports collagen crosslinking
Resistant starch and soluble fiber act as prebiotics, selectively feeding Faecalibacterium and Roseburia species that produce butyrate, strengthening intestinal barrier integrity and reducing systemic inflammation
Polyphenols like kaempferol and quercetin inhibit pro-inflammatory cytokine production (TNF-α, IL-6) and activate antioxidant defense pathways including SOD and catalase
181mcg folate per 100g supports one-carbon metabolism essential for epigenetic regulation; 3.33mg iron (heme-free) replenishes stores when paired with vitamin C for enhanced absorption
Lentils' high fiber and protein content promote satiety and stable energy release, making them ideal for lunch to prevent afternoon energy dips and support metabolic rate. The low glycemic index provides sustained fuel without the postprandial glucose spike that can impair afternoon productivity.
Breaks a fast
Can be consumed post-workout with carbohydrate sources (rice, sweet potato) to enhance muscle protein synthesis and glycogen repletion. Not suitable during strict intermittent fasting windows due to caloric density.