Grapefruit vs. Fennel — In-Depth Nutrition Comparison
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How are grapefruit and fennel different?
- Grapefruit is higher in vitamin C; however, fennel is richer in vitamin K, potassium, iron, manganese, and fiber.
- Daily need coverage for vitamin K for fennel is 52% higher.
- Grapefruit contains 3 times more vitamin C than fennel. While grapefruit contains 31.2mg of vitamin C, fennel contains only 12mg.
- Fennel has less sugar.
- Grapefruit has a lower glycemic index (25) than fennel (45).
Grapefruit, raw, pink, and red, all areas and Fennel, bulb, raw are the varieties used in this article.
Infographic
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Mineral Comparison
Mineral comparison score is based on the number of minerals by which one or the other food is richer. The "coverage" charts below show how much of the daily needs can be covered by 300 grams of the food.
| Contains less SodiumSodium | -100% |
| Contains more MagnesiumMagnesium | +88.9% |
| Contains more CalciumCalcium | +122.7% |
| Contains more PotassiumPotassium | +206.7% |
| Contains more IronIron | +812.5% |
| Contains more CopperCopper | +106.3% |
| Contains more ZincZinc | +185.7% |
| Contains more PhosphorusPhosphorus | +177.8% |
| Contains more ManganeseManganese | +768.2% |
| Contains more SeleniumSelenium | +600% |
Vitamin Comparison
Vitamin comparison score is based on the number of vitamins by which one or the other food is richer. The "coverage" charts below show how much of the daily needs can be covered by 300 grams of the food.
| Contains more Vitamin CVitamin C | +160% |
| Contains more Vitamin AVitamin A | +20.8% |
| Contains more Vitamin B1Vitamin B1 | +330% |
| Contains more Vitamin B5Vitamin B5 | +12.9% |
| Contains more Vitamin B6Vitamin B6 | +12.8% |
| Contains more Vitamin EVitamin E | +346.2% |
| Contains more Vitamin B3Vitamin B3 | +213.7% |
| Contains more Vitamin KVitamin K | +∞% |
| Contains more FolateFolate | +107.7% |
| Contains more CholineCholine | +71.4% |
All nutrients comparison - raw data values
| Nutrient |  |
 |
DV% diff. |
| Vitamin K | 0µg | 62.8µg | 52% |
| Vitamin C | 31.2mg | 12mg | 21% |
| Potassium | 135mg | 414mg | 8% |
| Iron | 0.08mg | 0.73mg | 8% |
| Manganese | 0.022mg | 0.191mg | 7% |
| Fiber | 1.6g | 3.1g | 6% |
| Phosphorus | 18mg | 50mg | 5% |
| Folate | 13µg | 27µg | 4% |
| Copper | 0.032mg | 0.066mg | 4% |
| Vitamin B1 | 0.043mg | 0.01mg | 3% |
| Vitamin B3 | 0.204mg | 0.64mg | 3% |
| Calcium | 22mg | 49mg | 3% |
| Vitamin E | 0.13mg | 0.58mg | 3% |
| Sodium | 0mg | 52mg | 2% |
| Fructose | 1.77g | 2% | |
| Magnesium | 9mg | 17mg | 2% |
| Zinc | 0.07mg | 0.2mg | 1% |
| Vitamin B5 | 0.262mg | 0.232mg | 1% |
| Polyunsaturated fat | 0.036g | 0.169g | 1% |
| Vitamin A | 58µg | 48µg | 1% |
| Choline | 7.7mg | 13.2mg | 1% |
| Calories | 42kcal | 31kcal | 1% |
| Carbs | 10.66g | 7.3g | 1% |
| Protein | 0.77g | 1.24g | 1% |
| Selenium | 0.1µg | 0.7µg | 1% |
| Fats | 0.14g | 0.2g | 0% |
| Net carbs | 9.06g | 4.2g | N/A |
| Sugar | 6.89g | 3.93g | N/A |
| Vitamin B2 | 0.031mg | 0.032mg | 0% |
| Vitamin B6 | 0.053mg | 0.047mg | 0% |
| Saturated fat | 0.021g | 0.09g | 0% |
| Monounsaturated fat | 0.02g | 0.068g | 0% |
| Tryptophan | 0.008mg | 0% | |
| Threonine | 0.013mg | 0% | |
| Isoleucine | 0.008mg | 0% | |
| Leucine | 0.015mg | 0% | |
| Lysine | 0.019mg | 0% | |
| Methionine | 0.007mg | 0% | |
| Phenylalanine | 0.013mg | 0% | |
| Valine | 0.015mg | 0% | |
| Histidine | 0.008mg | 0% |
Macronutrient Comparison
Macronutrient breakdown side-by-side comparison
Protein:
0.77 g
Fats:
0.14 g
Carbs:
10.66 g
Water:
88.06 g
Other:
0.37 g
Protein:
1.24 g
Fats:
0.2 g
Carbs:
7.3 g
Water:
90.21 g
Other:
1.05 g
| Contains more CarbsCarbs | +46% |
| Contains more ProteinProtein | +61% |
| Contains more FatsFats | +42.9% |
| Contains more OtherOther | +183.8% |
~equal in
Water
~90.21g
Fat Type Comparison
Fat type breakdown side-by-side comparison
Saturated fat:
Sat. Fat
0.021 g
Monounsaturated fat:
Mono. Fat
0.02 g
Polyunsaturated fat:
Poly. Fat
0.036 g
Saturated fat:
Sat. Fat
0.09 g
Monounsaturated fat:
Mono. Fat
0.068 g
Polyunsaturated fat:
Poly. Fat
0.169 g
| Contains less Sat. FatSaturated fat | -76.7% |
| Contains more Mono. FatMonounsaturated fat | +240% |
| Contains more Poly. FatPolyunsaturated fat | +369.4% |
