Guava: what it contains and why it matters
Guava is a tropical fruit (amrood). This page lists its nutritional content from published sources and explains which lab parameters it relates to.
Last reviewed: 2026-09-04
Nutritional content of guava
Per 100 g edible portion, from published composition data.
| Nutrient | Per 100 g | Source |
|---|---|---|
| Energy | 68 kcal | USDA |
| Protein | 2.55 g | USDA |
| Total lipid (fat) | 0.95 g | USDA |
| Carbohydrate | 14.32 g | USDA |
| Dietary fiber | 5.4 g | USDA |
| Vitamin C | 228.3 mg | USDA |
| Potassium | 417 mg | USDA |
| Folate | 49 µg | USDA |
| Calcium | 18 mg | USDA |
| Magnesium | 22 mg | USDA |
Which lab parameters does guava relate to?
Vitamin C
Vitamin C supports the immune system and helps the body absorb non-heme iron from plant foods [WHO].
Folate
Folate is needed to make and repair DNA and to form red blood cells [WHO].
Potassium
Potassium helps nerves and muscles work and helps balance the body's fluids [WHO].
Vegetarian and dietary notes
Guava is a plant-derived fruit suitable for both vegetarian and vegan diets.
Frequently asked questions
How much vitamin C is in raw guava?
Raw guava contains 228.3 mg of vitamin C per 100 g [USDA]. Vitamin C functions as an antioxidant and is a cofactor in collagen synthesis, cellular energy production, and non-heme iron absorption.
What is the dietary fiber content of guava?
Guava provides 5.4 g of total dietary fiber per 100 g [USDA]. Dietary fiber contributes to intestinal stool bulk and modulates gastrointestinal transit rate.
How much potassium is present in raw guava?
Guava contains 417 mg of potassium per 100 g [USDA]. Potassium is a primary intracellular cation involved in maintaining osmotic balance, systemic fluid regulation, and normal neuromuscular transmission.
What is the folate content of guava?
Guava supplies 49 µg of total folate per 100 g [USDA]. Folate functions biologically as a coenzyme in the synthesis of nucleic acids and the metabolism of amino acids.
What are the caloric and carbohydrate values of guava?
A 100 g portion of raw guava yields 68 kcal of energy and 14.32 g of carbohydrate [USDA], which includes 5.4 g of dietary fiber and naturally occurring simple sugars.
Sources
- USDA — USDA FoodData Central, Agricultural Research Service. https://fdc.nal.usda.gov/
- WHO — World Health Organization — nutrition fact sheets. https://www.who.int/