Lettuce vs. Onion — In-Depth Nutrition Comparison
Compare
A recap on differences between lettuce and onions
- Onions have less vitamin A, vitamin K, iron, and manganese.
- Lettuce covers your daily vitamin A needs 148% more than onions.
- Onions contain 316 times less vitamin K than lettuce. Lettuce contains 126.3µg of vitamin K, while onions contain 0.4µg.
- Lettuce has less sugar.
- The glycemic index of lettuce is higher.
Food varieties used in this article are Lettuce, green leaf, raw and Onions, raw.
Infographic
Infographic link
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 more MagnesiumMagnesium | +30% |
| Contains more CalciumCalcium | +56.5% |
| Contains more PotassiumPotassium | +32.9% |
| Contains more IronIron | +309.5% |
| Contains more ManganeseManganese | +93.8% |
| Contains more SeleniumSelenium | +20% |
| Contains more CopperCopper | +34.5% |
| Contains less SodiumSodium | -85.7% |
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 | +24.3% |
| Contains more Vitamin AVitamin A | +∞% |
| Contains more Vitamin EVitamin E | +1000% |
| Contains more Vitamin B1Vitamin B1 | +52.2% |
| Contains more Vitamin B2Vitamin B2 | +196.3% |
| Contains more Vitamin B3Vitamin B3 | +223.3% |
| Contains more Vitamin KVitamin K | +31475% |
| Contains more FolateFolate | +100% |
| Contains more CholineCholine | +123% |
| Contains more Vitamin B6Vitamin B6 | +33.3% |
All nutrients comparison - raw data values
| Nutrient |  |
 |
DV% diff. |
| Vitamin K | 126.3µg | 0.4µg | 105% |
| Vitamin A | 370µg | 0µg | 41% |
| Iron | 0.86mg | 0.21mg | 8% |
| Folate | 38µg | 19µg | 5% |
| Manganese | 0.25mg | 0.129mg | 5% |
| Vitamin B2 | 0.08mg | 0.027mg | 4% |
| Vitamin B1 | 0.07mg | 0.046mg | 2% |
| Vitamin C | 9.2mg | 7.4mg | 2% |
| Carbs | 2.87g | 9.34g | 2% |
| Vitamin B6 | 0.09mg | 0.12mg | 2% |
| Vitamin B3 | 0.375mg | 0.116mg | 2% |
| Fiber | 1.3g | 1.7g | 2% |
| Choline | 13.6mg | 6.1mg | 1% |
| Protein | 1.36g | 1.1g | 1% |
| Vitamin E | 0.22mg | 0.02mg | 1% |
| Calories | 15kcal | 40kcal | 1% |
| Sodium | 28mg | 4mg | 1% |
| Potassium | 194mg | 146mg | 1% |
| Magnesium | 13mg | 10mg | 1% |
| Calcium | 36mg | 23mg | 1% |
| Fructose | 0.43g | 1.29g | 1% |
| Copper | 0.029mg | 0.039mg | 1% |
| Fats | 0.15g | 0.1g | 0% |
| Net carbs | 1.57g | 7.64g | N/A |
| Sugar | 0.78g | 4.24g | N/A |
| Zinc | 0.18mg | 0.17mg | 0% |
| Phosphorus | 29mg | 29mg | 0% |
| Selenium | 0.6µg | 0.5µg | 0% |
| Vitamin B5 | 0.134mg | 0.123mg | 0% |
| Saturated fat | 0.02g | 0.042g | 0% |
| Monounsaturated fat | 0.006g | 0.013g | 0% |
| Polyunsaturated fat | 0.082g | 0.017g | 0% |
| Tryptophan | 0.009mg | 0.014mg | 0% |
| Threonine | 0.059mg | 0.021mg | 0% |
| Isoleucine | 0.084mg | 0.014mg | 0% |
| Leucine | 0.079mg | 0.025mg | 0% |
| Lysine | 0.084mg | 0.039mg | 0% |
| Methionine | 0.016mg | 0.002mg | 0% |
| Phenylalanine | 0.055mg | 0.025mg | 0% |
| Valine | 0.07mg | 0.021mg | 0% |
| Histidine | 0.022mg | 0.014mg | 0% |
Macronutrient Comparison
Macronutrient breakdown side-by-side comparison
| Contains more ProteinProtein | +23.6% |
| Contains more FatsFats | +50% |
| Contains more OtherOther | +82.9% |
| Contains more CarbsCarbs | +225.4% |
~equal in
Water
~89.11g
Fat Type Comparison
Fat type breakdown side-by-side comparison
| Contains less Sat. FatSaturated fat | -52.4% |
| Contains more Poly. FatPolyunsaturated fat | +382.4% |
| Contains more Mono. FatMonounsaturated fat | +116.7% |
Carbohydrate type comparison
Carbohydrate type breakdown side-by-side comparison
| Contains more SucroseSucrose | +∞% |
| Contains more GlucoseGlucose | +447.2% |
| Contains more FructoseFructose | +200% |
~equal in
Starch
~0g
~equal in
Lactose
~0g
~equal in
Maltose
~0g
~equal in
Galactose
~0g
