#40 of 46 in Grain · scored 55/100
Also known as whole grain rice
Brown rice is a whole grain with the nutrient-rich bran and germ intact, providing sustained energy, fiber, and essential minerals for metabolic health and longevity.
10.8 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 55.
Brown rice is the whole grain form of rice, retaining its outer bran layer and nutrient-dense germ after minimal processing. Originating in Asia thousands of years ago, it has become a staple in longevity-focused diets, particularly in blue zones. Unlike white rice, brown rice preserves magnesium, manganese, phosphorus, and B vitamins essential for energy metabolism and bone health. The intact fiber content (1.8g per 100g) supports sustained blood glucose control and gut microbiota diversity—critical factors in metabolic aging. Brown rice contains unique polyphenols and phytic acid, which act as antioxidants while also binding minerals. Its low glycemic load relative to white rice makes it particularly valuable for maintaining insulin sensitivity with age. The selenium content supports thyroid function and antioxidant defense through glutathione peroxidase synthesis. Brown rice's comprehensive micronutrient profile—especially manganese for bone mineralization and magnesium for cardiovascular function—positions it as a foundational grain for healthy aging.
Intact fiber and bran slow carbohydrate digestion, reducing postprandial glucose spikes and supporting insulin sensitivity over time
Soluble fiber and lignans in the bran reduce LDL cholesterol oxidation and support healthy HDL levels
Magnesium (39mg/100g) is essential for bone mineralization; manganese (0.97mg/100g) activates osteoblasts and collagen synthesis
Insoluble fiber feeds beneficial bacteria, increasing short-chain fatty acid production and strengthening intestinal barrier function
Polyphenols and selenium (5.8mcg/100g) support glutathione peroxidase activity, protecting against oxidative stress in aging tissues
Brown rice's sustained carbohydrate release supports stable afternoon energy and mental performance; better digestion and glucose handling occur with daytime consumption when insulin sensitivity is highest
Breaks a fast
Can be consumed at any meal; lunch or early dinner optimal for metabolic flexibility. Avoid as sole pre-sleep carbohydrate if sensitive to nighttime glucose fluctuations.