Jicama is a crisp, low-calorie root vegetable rich in inulin and soluble fiber, providing sustained satiety with minimal glycemic impact. Its high water content (86-90%) and modest micronutrient profile make it ideal for weight management and metabolic health.
WeightGutBlood SugarHeartBrain
Nutrition per ~85 g · ¾ cup chopped
Form
32kcal
Protein0.6 g
Carbs7.5 g
Fat0.1 g
Fiber4.2 g
3.3 g net carbs after fiber.
Vitamins
Vitamin C17.2 mg19%
Vitamin E0.39 mg3%
Folate10.2 mcg3%
Pantothenic Acid0.11 mg2%
Vitamin B635.7 mcg2%
Riboflavin24.7 mcg2%
Thiamin17 mcg1%
Niacin0.17 mg1%
Vitamin A17.8 iu0%
Vitamin K0.26 mcg0%
Vitamin A0.85 mcg0%
Minerals & other
Copper40.8 mcg5%
Iron0.51 mg3%
Potassium128 mg3%
Magnesium10.2 mg2%
Manganese51 mcg2%
Choline11.6 mg2%
Zinc0.14 mg1%
Phosphorus15.3 mg1%
Selenium0.59 mcg1%
Calcium10.2 mg1%
Sodium3.4 mg0%
Monounsaturated Fat0.0043 g—
Polyunsaturated Fat0.037 g—
Saturated Fat0.018 g—
Bioactives estimated
Inulin / Prebiotic fibre~2.5 g
Live probiotics—
Choline~128 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 density30.9/35Vitamins and minerals relative to calories — the single biggest driver.
Protein quality5.7/15How much protein it delivers, by absolute grams and per calorie.
Bioactives11.4/15Polyphenols, flavonoids and other beneficial plant compounds.
Fiber10.0/10Dietary fiber for gut health, satiety and steadier blood sugar.
Healthy fats5.0/10Fat quality — unsaturated against saturated, and trans-fat free.
Glycemic impact10.0/10Low 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 88.
MethylationAntioxidantATP / MitoBoneThyroidCollagenNeurotransmitterDetoxGlucoseHematopoiesisLipidsGut MicrobiomeMembranesClottingHPA AxisGlycolysisβ-OxidationKetogenesisNAD⁺mTORAMPKUrea CycleDopamineSerotoninSteroidogenesisVitamin D ActivationInsulin Signaling
Overview
Jicama (Pachyrhizus erosus), native to Mexico, is a tuber increasingly recognized in longevity nutrition for its prebiotic properties. The vegetable contains approximately 4.9g of fiber per 100g, with inulin comprising 30-50% of its carbohydrate content. Inulin is a non-digestible polysaccharide that bypasses blood glucose elevation, instead feeding beneficial gut bacteria—a mechanism central to microbiome health, immune function, and longevity. Its low caloric density (38 kcal/100g) combined with high water and fiber content supports satiety and weight maintenance without nutrient compromise. Jicama provides modest but meaningful amounts of vitamin C (20.2mg/100g) for antioxidant support, potassium (150mg/100g) for cardiovascular regulation, and choline (13.6mg/100g) for cognitive and hepatic function. The vegetable's low sodium and negligible fat make it compatible with diverse dietary patterns. Its crisp, slightly sweet flavor and versatility support consistent long-term intake—a critical factor in dietary adherence for longevity outcomes.
Health benefits 5
Supports healthy weight management through improved satiety and reduced caloric loadmoderate
High water content (86-90%) and fiber create volume and fullness signals while providing minimal calories; inulin promotes prolonged satiety by modulating gut hormones like GLP-1 and peptide YY
Promotes prebiotic-driven microbiome diversity and short-chain fatty acid productionmoderate
Inulin selectively feeds Bifidobacterium and Faecalibacterium prausnitzii, increasing butyrate and propionate production; butyrate strengthens intestinal barrier and reduces systemic inflammation
Maintains stable blood glucose and improves insulin sensitivitymoderate
Low glycemic index (~15) and high insoluble fiber slow glucose absorption; inulin fermentation produces short-chain fatty acids that improve hepatic and peripheral insulin sensitivity
Supports cardiovascular health through potassium and fiber intakemoderate
Potassium regulates blood pressure via vasodilation and sodium balance; soluble fiber reduces LDL cholesterol oxidation and supports endothelial function
Enhances cognitive function and liver health via cholinemoderate
Choline is a precursor for acetylcholine (neurotransmitter) and phosphatidylcholine (neuronal membrane integrity); supports methylation reactions and hepatic lipid export
Pairs with
Pair with fat sources (olive oil, avocado) because fat-soluble vitamin absorption is enhanced and the lipid promotes slower gastric emptying, extending satiety
Combine with fermented foods (sauerkraut, miso, yogurt) because exogenous probiotics work synergistically with jicama's inulin to expand beneficial bacterial populations
Pair with vitamin C-rich foods (citrus, bell pepper) because jicama's modest vitamin C (20.2mg) combines with exogenous sources to maximize antioxidant load and iron bioavailability if consumed with plant proteins
Combine with protein sources (legumes, fish) because protein slows carbohydrate absorption and jicama's fiber prevents postprandial glucose spikes in mixed meals
In the kitchen
Select firm, unblemished tubers without soft spots; store in cool, dark, well-ventilated spaces (45-50°F ideal) for 2-3 weeks; avoid plastic wrapping to prevent moisture accumulation
Consume raw to preserve inulin and vitamin C content; raw jicama sticks work as a low-calorie snack with hummus or almond butter for macro-balanced satiety
If digestive sensitivity occurs with raw jicama, introduce small portions gradually (¼ cup 2-3× weekly) to allow microbiota adaptation to increased inulin intake
Pair with meals containing resistant starch (cooled potatoes, legumes) to amplify short-chain fatty acid production and glycemic control benefits
Peel just before consumption; exposed flesh oxidizes rapidly; cut jicama into sticks or cubes for convenient portion control and consistent intake tracking
When to eat it anytime
Jicama's low glycemic load and high satiety make it suitable for any meal or snack; inulin fermentation occurs throughout the day and benefits from consistent, distributed intake. As a snack, it supports appetite suppression between meals without disrupting circadian rhythms.
Fasting-compatible
May be consumed during extended fasting periods due to negligible caloric and glycemic impact; however, inulin's prebiotic effect is optimized when consumed with other whole foods to support microbiota diversity