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Sweet onion vs. Spirulina — In-Depth Nutrition Comparison

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Significant differences between Sweet onion and Spirulina

  • Sweet onion has more Vitamin B6, however, Spirulina is richer in Copper, Iron, Vitamin B2, Vitamin B1, and Vitamin B3.
  • Spirulina covers your daily Copper needs 60% more than Sweet onion.
  • Spirulina has 17 times less Sugar than Sweet onion. Sweet onion has 5.02g of Sugar, while Spirulina has 0.3g.

Specific food types used in this comparison are Onions, sweet, raw and Seaweed, spirulina, raw.

Infographic

Sweet onion vs Spirulina 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.
Magnesium Magnesium Calcium Calcium Potassium Potassium Iron Iron Copper Copper Zinc Zinc Phosphorus Phosphorus Sodium Sodium Manganese Manganese Selenium Selenium 6.4% 6% 11% 9.8% 19% 3.5% 12% 1% 9.9% 2.7%
Magnesium Magnesium Calcium Calcium Potassium Potassium Iron Iron Copper Copper Zinc Zinc Phosphorus Phosphorus Sodium Sodium Manganese Manganese Selenium Selenium 14% 3.6% 11% 105% 199% 5.5% 4.7% 13% 24% 3.8%
Contains more CalciumCalcium +66.7%
Contains more PhosphorusPhosphorus +145.5%
Contains less SodiumSodium -91.8%
Contains more MagnesiumMagnesium +111.1%
Contains more IronIron +973.1%
Contains more CopperCopper +966.1%
Contains more ZincZinc +53.8%
Contains more ManganeseManganese +144.7%
Contains more SeleniumSelenium +40%
~equal in Potassium ~127mg

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.
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 16% 0.06% 0.4% 0% 10% 4.6% 2.5% 5.9% 30% 0% 0.75% 17% 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 3% 3.4% 9.8% 0% 56% 79% 22% 20% 7.8% 0% 6.3% 6.8% 3.5%
Contains more Vitamin CVitamin C +433.3%
Contains more Vitamin B6Vitamin B6 +282.4%
Contains more FolateFolate +155.6%
Contains more Vitamin AVitamin A +5500%
Contains more Vitamin EVitamin E +2350%
Contains more Vitamin B1Vitamin B1 +441.5%
Contains more Vitamin B2Vitamin B2 +1610%
Contains more Vitamin B3Vitamin B3 +799.2%
Contains more Vitamin B5Vitamin B5 +231.6%
Contains more Vitamin KVitamin K +733.3%
Contains more CholineCholine +18.2%
~equal in Vitamin D ~0µg
~equal in Vitamin B12 ~0µg

Macronutrient Comparison

Macronutrient breakdown side-by-side comparison
8% 91%
Protein: 0.8 g
Fats: 0.08 g
Carbs: 7.55 g
Water: 91.24 g
Other: 0.33 g
6% 2% 91%
Protein: 5.92 g
Fats: 0.39 g
Carbs: 2.42 g
Water: 90.67 g
Other: 0.6 g
Contains more CarbsCarbs +212%
Contains more ProteinProtein +640%
Contains more FatsFats +387.5%
Contains more OtherOther +81.8%
~equal in Water ~90.67g

Comparison summary table

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

All nutrients comparison - raw data values

Nutrient Sweet onion Spirulina Opinion
Calories 32kcal 26kcal Sweet onion
Protein 0.8g 5.92g Spirulina
Fats 0.08g 0.39g Spirulina
Vitamin C 4.8mg 0.9mg Sweet onion
Net carbs 6.65g 2.02g Sweet onion
Carbs 7.55g 2.42g Sweet onion
Magnesium 9mg 19mg Spirulina
Calcium 20mg 12mg Sweet onion
Potassium 119mg 127mg Spirulina
Iron 0.26mg 2.79mg Spirulina
Sugar 5.02g 0.3g Spirulina
Fiber 0.9g 0.4g Sweet onion
Copper 0.056mg 0.597mg Spirulina
Zinc 0.13mg 0.2mg Spirulina
Phosphorus 27mg 11mg Sweet onion
Sodium 8mg 98mg Sweet onion
Vitamin A 1IU 56IU Spirulina
Vitamin A 0µg 3µg Spirulina
Vitamin E 0.02mg 0.49mg Spirulina
Manganese 0.076mg 0.186mg Spirulina
Selenium 0.5µg 0.7µg Spirulina
Vitamin B1 0.041mg 0.222mg Spirulina
Vitamin B2 0.02mg 0.342mg Spirulina
Vitamin B3 0.133mg 1.196mg Spirulina
Vitamin B5 0.098mg 0.325mg Spirulina
Vitamin B6 0.13mg 0.034mg Sweet onion
Vitamin K 0.3µg 2.5µg Spirulina
Folate 23µg 9µg Sweet onion
Choline 5.5mg 6.5mg Spirulina
Saturated Fat 0.135g Sweet onion
Monounsaturated Fat 0.034g Spirulina
Polyunsaturated fat 0.106g Spirulina
Tryptophan 0.009mg 0.096mg Spirulina
Threonine 0.018mg 0.306mg Spirulina
Isoleucine 0.014mg 0.331mg Spirulina
Leucine 0.025mg 0.509mg Spirulina
Lysine 0.033mg 0.312mg Spirulina
Methionine 0.009mg 0.118mg Spirulina
Phenylalanine 0.024mg 0.286mg Spirulina
Valine 0.02mg 0.362mg Spirulina
Histidine 0.011mg 0.112mg Spirulina
Fructose 2.02g Sweet onion

Which food is preferable for your diet?

ok
ok
is better in case of low diet
Sweet onion Spirulina
Low Calories diet ok
Low Fats diet ok
Low Carbs diet ok
Low Glycemic Index diet Equal

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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
7%
Sweet onion
17%
Spirulina
Minerals Daily Need Coverage Score
8%
Sweet onion
38%
Spirulina

Comparison summary

Which food contains less Sodium?
Sweet onion
Sweet onion contains less Sodium (difference - 90mg)
Which food is lower in Saturated Fat?
Sweet onion
Sweet onion is lower in Saturated Fat (difference - 0.135g)
Which food is lower in Sugar?
Spirulina
Spirulina is lower in Sugar (difference - 4.72g)
Which food is richer in minerals?
Spirulina
Spirulina is relatively richer in minerals
Which food is richer in vitamins?
Spirulina
Spirulina is relatively richer in vitamins
Which food contains less Cholesterol?
?
The foods are relatively equal in Cholesterol (0 mg)
Which food is lower in glycemic index?
?
The foods have equal glycemic indexes ()
Which food is cheaper?
?
The foods are relatively equal in price ($)

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. Sweet onion - https://fdc.nal.usda.gov/fdc-app.html#/food-details/170008/nutrients
  2. Spirulina - https://fdc.nal.usda.gov/fdc-app.html#/food-details/170091/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.