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Onion vs. Agave nectar — In-Depth Nutrition Comparison

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The main differences between onions and agave nectar

  • Onions have more fiber and manganese; however, agave nectar has more vitamin K, vitamin C, vitamin B2, vitamin B6, vitamin E, and vitamin B1.
  • Daily need coverage for vitamin K for agave nectar is 18% higher.
  • Agave nectar has 37 times less potassium than onions. Onions have 146mg of potassium, while agave nectar has 4mg.

Food types used in this article are Onions, raw and Sweetener, syrup, agave.

Infographic

Onion vs Agave nectar 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.
Onion
8
Magnesium Magnesium Calcium Calcium Potassium Potassium Iron Iron Copper Copper Zinc Zinc Phosphorus Phosphorus Sodium Sodium Manganese Manganese Selenium Selenium 7.1% 6.9% 13% 7.9% 13% 4.6% 12% 0.52% 17% 2.7%
Magnesium Magnesium Calcium Calcium Potassium Potassium Iron Iron Copper Copper Zinc Zinc Phosphorus Phosphorus Sodium Sodium Manganese Manganese Selenium Selenium 0.71% 0.3% 0.35% 3.4% 3% 0.27% 0.43% 0.52% 0.65% 9.3%
Contains more MagnesiumMagnesium +900%
Contains more CalciumCalcium +2200%
Contains more PotassiumPotassium +3550%
Contains more IronIron +133.3%
Contains more CopperCopper +333.3%
Contains more ZincZinc +1600%
Contains more PhosphorusPhosphorus +2800%
Contains more ManganeseManganese +2480%
Contains more SeleniumSelenium +240%
~equal in Sodium ~4mg

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.
Onion
1
Vitamin C Vit. C Vitamin A Vit. A Vitamin E Vit. E Vitamin D Vit. D Vitamin B1 Vit. B1 Vitamin B2 Vit. B2 Vitamin B3 Vit. B3 Vitamin B5 Vit. B5 Vitamin B6 Vit. B6 Vitamin B12 Vit. B12 Vitamin K Vit. K Folate Folate Choline Choline 25% 0% 0.4% 0% 12% 6.2% 2.2% 7.4% 28% 0% 1% 14% 3.3%
Vitamin C Vit. C Vitamin A Vit. A Vitamin E Vit. E Vitamin D Vit. D Vitamin B1 Vit. B1 Vitamin B2 Vit. B2 Vitamin B3 Vit. B3 Vitamin B5 Vit. B5 Vitamin B6 Vit. B6 Vitamin B12 Vit. B12 Vitamin K Vit. K Folate Folate Choline Choline 57% 2.7% 20% 0% 31% 38% 13% 0% 54% 0% 56% 23% 7.3%
Contains more Vitamin B5Vitamin B5 +∞%
Contains more Vitamin CVitamin C +129.7%
Contains more Vitamin AVitamin A +∞%
Contains more Vitamin EVitamin E +4800%
Contains more Vitamin B1Vitamin B1 +165.2%
Contains more Vitamin B2Vitamin B2 +511.1%
Contains more Vitamin B3Vitamin B3 +494%
Contains more Vitamin B6Vitamin B6 +95%
Contains more Vitamin KVitamin K +5525%
Contains more FolateFolate +57.9%
Contains more CholineCholine +118%
~equal in Vitamin D ~0µg
~equal in Vitamin B12 ~0µg

Macronutrient Comparison

Macronutrient breakdown side-by-side comparison
Onion
3
9% 89%
Protein: 1.1 g
Fats: 0.1 g
Carbs: 9.34 g
Water: 89.11 g
Other: 0.35 g
76% 23%
Protein: 0.09 g
Fats: 0.45 g
Carbs: 76.37 g
Water: 22.94 g
Other: 0.15 g
Contains more ProteinProtein +1122.2%
Contains more WaterWater +288.4%
Contains more OtherOther +133.3%
Contains more FatsFats +350%
Contains more CarbsCarbs +717.7%

Carbohydrate type comparison

Carbohydrate type breakdown side-by-side comparison
Onion
1
23% 46% 30%
Starch: 0 g
Sucrose: 0.99 g
Glucose: 1.97 g
Fructose: 1.29 g
Lactose: 0 g
Maltose: 0 g
Galactose: 0 g
18% 82%
Starch: 0 g
Sucrose: 0 g
Glucose: 12.43 g
Fructose: 55.6 g
Lactose: 0 g
Maltose: 0 g
Galactose: 0 g
Contains more SucroseSucrose +∞%
Contains more GlucoseGlucose +531%
Contains more FructoseFructose +4210.1%
~equal in Starch ~0g
~equal in Lactose ~0g
~equal in Maltose ~0g
~equal in Galactose ~0g

Comparison summary table

Pay attention to the rightmost column. It displays the amounts side by side, giving a clearer understanding of the difference.
Onion Agave nectar
Lower in Sugar ok
Lower in price ok
Rich in minerals ok
Lower in Saturated fat ok
Lower in Glycemic Index ok
Rich in vitamins ok
Lower in Cholesterol Equal
Lower in Sodium Equal

All nutrients comparison - raw data values

Nutrient Onion Agave nectar DV% diff.
Fructose 1.29g 55.6g 68%
Carbs 9.34g 76.37g 22%
Vitamin K 0.4µg 22.5µg 18%
Calories 40kcal 310kcal 14%
Vitamin C 7.4mg 17mg 11%
Vitamin B2 0.027mg 0.165mg 11%
Vitamin B6 0.12mg 0.234mg 9%
Vitamin B1 0.046mg 0.122mg 6%
Vitamin E 0.02mg 0.98mg 6%
Fiber 1.7g 0.2g 6%
Manganese 0.129mg 0.005mg 5%
Phosphorus 29mg 1mg 4%
Vitamin B3 0.116mg 0.689mg 4%
Potassium 146mg 4mg 4%
Copper 0.039mg 0.009mg 3%
Folate 19µg 30µg 3%
Magnesium 10mg 1mg 2%
Iron 0.21mg 0.09mg 2%
Selenium 0.5µg 1.7µg 2%
Protein 1.1g 0.09g 2%
Calcium 23mg 1mg 2%
Vitamin B5 0.123mg 2%
Zinc 0.17mg 0.01mg 1%
Fats 0.1g 0.45g 1%
Choline 6.1mg 13.3mg 1%
Vitamin A 0µg 8µg 1%
Net carbs 7.64g 76.17g N/A
Sugar 4.24g 68.03g N/A
Sodium 4mg 4mg 0%
Saturated fat 0.042g 0g 0%
Monounsaturated fat 0.013g 0g 0%
Polyunsaturated fat 0.017g 0g 0%
Tryptophan 0.014mg 0%
Threonine 0.021mg 0%
Isoleucine 0.014mg 0%
Leucine 0.025mg 0%
Lysine 0.039mg 0%
Methionine 0.002mg 0%
Phenylalanine 0.025mg 0%
Valine 0.021mg 0%
Histidine 0.014mg 0%

Which food is preferable for your diet?

ok
ok
is better in case of low diet
Onion Agave nectar
Low Calories diet ok
Low Fats diet ok
Low Carbs diet ok
Low Glycemic Index diet ok

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Vitamins & Minerals Daily Need Coverage Score

The summary scores indicate the extent to which this food can fulfill your daily vitamin and mineral requirements if you consume 3 servings, consisting of 100 grams of each (an approximation of 3 serving sizes).
Vitamins Daily Need Coverage Score
8%
Onion
23%
Agave nectar
Minerals Daily Need Coverage Score
8%
Onion
2%
Agave nectar

Comparison summary

Which food is lower in Sugar?
Onion
Onion is lower in Sugar (difference - 63.79g)
Which food is cheaper?
Onion
Onion is cheaper (difference - $1.8)
Which food is richer in minerals?
Onion
Onion is relatively richer in minerals
Which food is lower in Saturated fat?
Agave nectar
Agave nectar is lower in Saturated fat (difference - 0.042g)
Which food is lower in glycemic index?
Agave nectar
Agave nectar is lower in glycemic index (difference - 2)
Which food is richer in vitamins?
Agave nectar
Agave nectar is relatively richer in vitamins
Which food contains less Cholesterol?
?
The foods are relatively equal in Cholesterol (0 mg)
Which food contains less Sodium?
?
The foods are relatively equal in Sodium (4 mg)

References

All the values for which the sources are not specified explicitly are taken from FDA’s Food Central. The exact link to the food presented on this page can be found below.

  1. Onion - https://fdc.nal.usda.gov/fdc-app.html#/food-details/170000/nutrients
  2. Agave nectar - https://fdc.nal.usda.gov/fdc-app.html#/food-details/170277/nutrients

All the Daily Values are presented for males aged 31-50, for 2000-calorie diets.

Data provided by FoodStruct.com should be considered and used as information only. Please consult your physician before beginning any diet.