Rice is a staple grain crop providing carbohydrates for energy and containing moderate protein, fiber, and essential B vitamins and minerals critical for metabolic function.
MetabolismAntioxidantBlood SugarGutBoneProtein
Nutrition per ~50 g · ¼ cup cooked
Form
183kcal
Protein3.6 g
Carbs38.3 g
Fat1.7 g
Fiber1.5 g
36.8 g net carbs after fiber.
Vitamins
Niacin3.1 mg20%
Thiamin0.16 mg14%
Pantothenic Acid0.53 mg11%
Vitamin B680.3 mcg5%
Riboflavin51.3 mcg4%
Folate11.5 mcg3%
Vitamin E0.30 mg2%
Vitamin K0.30 mcg0%
Minerals & other
Manganese1.3 mg59%
Copper0.13 mg15%
Magnesium57.5 mg14%
Selenium7.4 mcg13%
Phosphorus151 mg12%
Zinc0.93 mg8%
Iron0.62 mg3%
Potassium125 mg3%
Choline10.8 mg2%
Calcium4.0 mg0%
Saturated Fat0.30 g—
Monounsaturated Fat0.53 g—
Polyunsaturated Fat0.50 g—
Trans Fat0.00050 g—
Bioactives estimated
Inulin / Prebiotic fibre~1.5 g
Glutathione~7.5 mg
Representative amounts for this food, not measured for this item. Real content varies widely by variety, ripeness and storage.
What drives the score weighted inputs
Nutrient density21.4/35Vitamins and minerals relative to calories — the single biggest driver.
Protein quality7.3/15How much protein it delivers, by absolute grams and per calorie.
Bioactives12.2/15Polyphenols, flavonoids and other beneficial plant compounds.
Fiber4.6/10Dietary fiber for gut health, satiety and steadier blood sugar.
Healthy fats6.5/10Fat quality — unsaturated against saturated, and trans-fat free.
Glycemic impact8.5/10Low sugar with a high fiber-to-carb ratio scores best.
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 59.
MethylationAntioxidantATP / MitoBoneThyroidCollagenNeurotransmitterDetoxGlucoseHematopoiesisLipidsGut MicrobiomeMembranesClottingHPA AxisGlycolysisβ-OxidationKetogenesisNAD⁺mTORAMPKUrea CycleDopamineSerotoninSteroidogenesisVitamin D ActivationInsulin Signaling
Overview
Rice is a globally cultivated grain that serves as a primary carbohydrate source for over half the world's population. Its nutritional profile varies significantly by type: white rice is refined and enriched with B vitamins, while brown rice retains the bran layer, offering additional fiber (3-4g per 100g) and micronutrients including manganese, magnesium, and phosphorus. Rice contains resistant starch when cooled after cooking, which may support metabolic health by improving insulin sensitivity and promoting beneficial gut bacteria. The selenium content (14.8 mcg/100g) contributes to antioxidant defense and thyroid function. Rice is naturally gluten-free, making it accessible for those with celiac disease. The thiamine (B1) and niacin (B3) content supports energy metabolism and cellular function. For longevity, the key consideration is choosing brown or whole grain varieties over white rice to maximize fiber intake, which is associated with improved cardiovascular health, healthy weight maintenance, and reduced mortality risk in long-term studies. Rice's high glycemic index in refined form may impact blood sugar; pairing with protein and fat moderates this effect.
Health benefits 5
Supports stable blood glucose and insulin sensitivity when consumed as whole grain or cooled ricemoderate
Whole grain rice retains fiber and bran that slow carbohydrate digestion; cooling cooked rice increases resistant starch, which bypasses small intestine digestion and feeds beneficial gut bacteria, improving insulin responsiveness
Promotes digestive health through prebiotic resistant starch and fiber contentmoderate
Fiber promotes satiety and healthy bowel regularity; resistant starch acts as a prebiotic, feeding short-chain fatty acid-producing bacteria that support gut barrier integrity and reduce inflammation
Supports energy production and B vitamin-dependent metabolismstrong
Thiamine (0.33mg), niacin (6.3mg), and other B vitamins are essential cofactors in ATP production and energy metabolism; phosphorus and magnesium support mitochondrial function
Provides antioxidant defense and thyroid support via seleniumstrong
Selenium is incorporated into selenoproteins, including glutathione peroxidase (antioxidant enzyme) and thioredoxin reductase, protecting cells from oxidative damage; essential for thyroid hormone metabolism
Supports bone and mineral metabolism through phosphorus, magnesium, and manganesemoderate
Phosphorus and magnesium are structural components of bone mineral matrix; manganese activates enzymes necessary for bone collagen formation and mineralization
Pairs with
Pair with legumes (beans, lentils) because together they form a complete protein with all essential amino acids, overcoming individual amino acid limitations
Pair with turmeric and black pepper because piperine in black pepper increases curcumin bioavailability, enhancing anti-inflammatory absorption
Pair with healthy fats (olive oil, avocado, nuts) because fat slows carbohydrate digestion, moderating glycemic response and improving fat-soluble vitamin absorption
Pair with cruciferous vegetables (broccoli, cabbage) because fiber and polyphenols work synergistically to support healthy gut microbiota and reduce post-meal blood sugar spikes
Pair with fermented foods (miso, tempeh, kimchi) because probiotics enhance nutrient bioavailability and support intestinal barrier function
In the kitchen
Choose brown rice or wild rice over white rice for maximum fiber and micronutrient retention; if eating white rice, rinse and enrich it with added vegetables or legumes
Cook rice, cool it for at least 12 hours in the refrigerator, then gently reheat to maximize resistant starch formation, which improves metabolic health
Store rice in airtight containers in a cool, dry place; brown rice is prone to rancidity due to bran oils—refrigerate after opening for longer shelf life
Limit portion sizes to ½–¾ cup cooked rice per meal and pair with protein and non-starchy vegetables to minimize blood sugar spikes and promote satiety
Soak brown rice 30 minutes before cooking to reduce phytic acid (which binds minerals), improving mineral bioavailability
When to eat it midday
Rice provides sustained carbohydrates and energy optimal for supporting afternoon productivity and recovery from morning activity; consumed at midday allows time for digestion before evening
Breaks a fast
Best avoided
large quantities immediately before bed, as high carbohydrate load may disrupt sleep quality
Rice is not suitable for prolonged fasting protocols due to its carbohydrate content, which breaks a fasted state. Cooled, reheated rice with resistant starch has a lower glycemic impact than freshly cooked rice.