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Spirulina vs. Agar — In-Depth Nutrition Comparison

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How are Spirulina and Agar different?

  • Agar has more Iron, Manganese, Magnesium, Folate, Calcium, Vitamin B5, Zinc, Vitamin E, Potassium, and Fiber than Spirulina.
  • Daily need coverage for Iron from Agar is 233% higher.

Seaweed, spirulina, raw and Seaweed, agar, dried are the varieties used in this article.

Infographic

Spirulina vs Agar 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.
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%
Agar
8
Magnesium Magnesium Calcium Calcium Potassium Potassium Iron Iron Copper Copper Zinc Zinc Phosphorus Phosphorus Sodium Sodium Manganese Manganese Selenium Selenium 550% 188% 99% 803% 203% 158% 22% 13% 561% 40%
Contains more MagnesiumMagnesium +3952.6%
Contains more CalciumCalcium +5108.3%
Contains more PotassiumPotassium +785.8%
Contains more IronIron +667%
Contains more ZincZinc +2800%
Contains more PhosphorusPhosphorus +372.7%
Contains more ManganeseManganese +2211.8%
Contains more SeleniumSelenium +957.1%
~equal in Copper ~0.61mg
~equal in Sodium ~102mg

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 3% 3.4% 9.8% 0% 56% 79% 22% 20% 7.8% 0% 6.3% 6.8% 3.5%
Agar
6
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 0% 0% 100% 0% 2.5% 51% 3.8% 181% 70% 0% 61% 435% 35%
Contains more Vitamin CVitamin C +∞%
Contains more Vitamin AVitamin A +∞%
Contains more Vitamin B1Vitamin B1 +2120%
Contains more Vitamin B2Vitamin B2 +54.1%
Contains more Vitamin B3Vitamin B3 +492.1%
Contains more Vitamin EVitamin E +920.4%
Contains more Vitamin B5Vitamin B5 +828.6%
Contains more Vitamin B6Vitamin B6 +791.2%
Contains more Vitamin KVitamin K +876%
Contains more FolateFolate +6344.4%
Contains more CholineCholine +873.8%
~equal in Vitamin D ~0µg
~equal in Vitamin B12 ~0µg

Macronutrient Comparison

Macronutrient breakdown side-by-side comparison
6% 2% 91%
Protein: 5.92 g
Fats: 0.39 g
Carbs: 2.42 g
Water: 90.67 g
Other: 0.6 g
Agar
3
6% 81% 9% 4%
Protein: 6.21 g
Fats: 0.3 g
Carbs: 80.88 g
Water: 8.68 g
Other: 3.93 g
Contains more FatsFats +30%
Contains more WaterWater +944.6%
Contains more CarbsCarbs +3242.1%
Contains more OtherOther +555%
~equal in Protein ~6.21g

Fat Type Comparison

Fat type breakdown side-by-side comparison
49% 12% 39%
Saturated Fat: Sat. Fat 0.135 g
Monounsaturated Fat: Mono. Fat 0.034 g
Polyunsaturated fat: Poly. Fat 0.106 g
Agar
1
32% 14% 54%
Saturated Fat: Sat. Fat 0.061 g
Monounsaturated Fat: Mono. Fat 0.027 g
Polyunsaturated fat: Poly. Fat 0.102 g
Contains more Mono. FatMonounsaturated Fat +25.9%
Contains less Sat. FatSaturated Fat -54.8%
~equal in Polyunsaturated fat ~0.102g

Comparison summary table

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

All nutrients comparison - raw data values

Nutrient Spirulina Agar Opinion
Calories 26kcal 306kcal Agar
Protein 5.92g 6.21g Agar
Fats 0.39g 0.3g Spirulina
Vitamin C 0.9mg 0mg Spirulina
Net carbs 2.02g 73.18g Agar
Carbs 2.42g 80.88g Agar
Magnesium 19mg 770mg Agar
Calcium 12mg 625mg Agar
Potassium 127mg 1125mg Agar
Iron 2.79mg 21.4mg Agar
Sugar 0.3g 2.97g Spirulina
Fiber 0.4g 7.7g Agar
Copper 0.597mg 0.61mg Agar
Zinc 0.2mg 5.8mg Agar
Phosphorus 11mg 52mg Agar
Sodium 98mg 102mg Spirulina
Vitamin A 56IU 0IU Spirulina
Vitamin A 3µg 0µg Spirulina
Vitamin E 0.49mg 5mg Agar
Manganese 0.186mg 4.3mg Agar
Selenium 0.7µg 7.4µg Agar
Vitamin B1 0.222mg 0.01mg Spirulina
Vitamin B2 0.342mg 0.222mg Spirulina
Vitamin B3 1.196mg 0.202mg Spirulina
Vitamin B5 0.325mg 3.018mg Agar
Vitamin B6 0.034mg 0.303mg Agar
Vitamin K 2.5µg 24.4µg Agar
Folate 9µg 580µg Agar
Choline 6.5mg 63.3mg Agar
Saturated Fat 0.135g 0.061g Agar
Monounsaturated Fat 0.034g 0.027g Spirulina
Polyunsaturated fat 0.106g 0.102g Spirulina
Tryptophan 0.096mg Spirulina
Threonine 0.306mg Spirulina
Isoleucine 0.331mg Spirulina
Leucine 0.509mg Spirulina
Lysine 0.312mg Spirulina
Methionine 0.118mg Spirulina
Phenylalanine 0.286mg Spirulina
Valine 0.362mg Spirulina
Histidine 0.112mg Spirulina
Omega-3 - EPA 0.087g Agar

Which food is preferable for your diet?

ok
ok
is better in case of low diet
Spirulina Agar
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
17%
Spirulina
72%
Agar
Minerals Daily Need Coverage Score
38%
Spirulina
264%
Agar

Comparison summary

Which food is lower in Sugar?
Spirulina
Spirulina is lower in Sugar (difference - 2.67g)
Which food contains less Sodium?
Spirulina
Spirulina contains less Sodium (difference - 4mg)
Which food is lower in Saturated Fat?
Agar
Agar is lower in Saturated Fat (difference - 0.074g)
Which food is richer in minerals?
Agar
Agar is relatively richer in minerals
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 ($)
Which food is richer in vitamins?
?
It cannot be stated which food is richer in vitamins. See the charts below for detailed information. See the charts below for detailed information. See the charts below for detailed information.

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. Spirulina - https://fdc.nal.usda.gov/fdc-app.html#/food-details/170091/nutrients
  2. Agar - https://fdc.nal.usda.gov/fdc-app.html#/food-details/170090/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.