Peanut Butter vs. Spirulina

Nutrition comparison of Peanut Butter and Spirulina


Ever wonder how your favorite foods stack up against each other in terms of nutrition?

We compared the nutritional contents of peanut butter versus spirulina (100g each) below using 2020 USDA and NIH data[1].

For a quick recap of significant nutrients and differences in peanut butter and spirulina:

  • Both spirulina and peanut butter are high in calcium, calories, dietary fiber, potassium and protein.
  • Spirulina has 63% less sugar than peanut butter.
  • Spirulina has more thiamin, riboflavin and pantothenic acid.
  • Spirulina has signficantly more Vitamin C than peanut butter.
  • Spirulina is an excellent source of iron.
Detailed nutritional comparison of peanut butter and spirulina is analyzed below. You can also visualize the nutritional comparison for a custom portion or serving size and see how the nutrition compares.

USDA sources for nutritional information: Peanut Butter (Peanut butter, chunk style, with salt) and Spirulina (Seaweed, spirulina, dried) . Have a correction or suggestions? Shoot us an email.


Image of Peanut Butter src
Image of Spirulina src

Calories and Carbs

calories

Both spirulina and peanut butter are high in calories. Peanut butter has 103% more calories than spirulina - spirulina has 290 calories per 100 grams and peanut butter has 589 calories.

For macronutrient ratios, peanut butter is much lighter in protein, lighter in carbs and much heavier in fat compared to spirulina per calorie. Peanut butter has a macronutrient ratio of 15:14:71 and for spirulina, 59:25:17 for protein, carbohydrates and fat from calories.

Macro Ratios from Calories:

Peanut Butter Spirulina
Protein 15% 59%
Carbohydrates 14% 25%
Fat 71% 17%
Alcohol ~ ~

carbohydrates

Spirulina and peanut butter contain similar amounts of carbs - spirulina has 23.9g of total carbs per 100 grams and peanut butter has 21.6g of carbohydrates.

dietary fiber

Both spirulina and peanut butter are high in dietary fiber. Peanut butter has 122% more dietary fiber than spirulina - spirulina has 3.6g of dietary fiber per 100 grams and peanut butter has 8g of dietary fiber.

sugar

Spirulina has 63% less sugar than peanut butter - spirulina has 3.1g of sugar per 100 grams and peanut butter has 8.4g of sugar.

Protein

protein

Both spirulina and peanut butter are high in protein. Spirulina has 139% more protein than peanut butter - spirulina has 57.5g of protein per 100 grams and peanut butter has 24.1g of protein.

Fat

saturated fat

Peanut butter is high in saturated fat and spirulina has 65% less saturated fat than peanut butter - spirulina has 2.7g of saturated fat per 100 grams and peanut butter has 7.6g of saturated fat.

Vitamins

Vitamin C

Spirulina has signficantly more Vitamin C than peanut butter - spirulina has 10.1mg of Vitamin C per 100 grams and peanut butter does not contain significant amounts.

Vitamin A

Spirulina has more Vitamin A than peanut butter - spirulina has 29ug of Vitamin A per 100 grams and peanut butter does not contain significant amounts.

Vitamin E

Spirulina and peanut butter contain similar amounts of Vitamin E - spirulina has 5mg of Vitamin E per 100 grams and peanut butter has 6.3mg of Vitamin E.

Vitamin K

Spirulina has 50 times more Vitamin K than peanut butter - spirulina has 25.5ug of Vitamin K per 100 grams and peanut butter has 0.5ug of Vitamin K.

The B Vitamins

Spirulina has more thiamin, riboflavin and pantothenic acid. Both peanut butter and spirulina contain significant amounts of niacin, Vitamin B6 and folate.

Peanut Butter Spirulina
Thiamin 0.106 MG 2.38 MG
Riboflavin 0.111 MG 3.67 MG
Niacin 13.696 MG 12.82 MG
Pantothenic acid 1.118 MG 3.48 MG
Vitamin B6 0.418 MG 0.364 MG
Folate 92 UG 94 UG

Minerals

calcium

Both spirulina and peanut butter are high in calcium. Spirulina has 167% more calcium than peanut butter - spirulina has 120mg of calcium per 100 grams and peanut butter has 45mg of calcium.

iron

Spirulina is an excellent source of iron and it has 14 times more iron than peanut butter - spirulina has 28.5mg of iron per 100 grams and peanut butter has 1.9mg of iron.

potassium

Both spirulina and peanut butter are high in potassium. Spirulina has 83% more potassium than peanut butter - spirulina has 1363mg of potassium per 100 grams and peanut butter has 745mg of potassium.

Omega-3 and Omega-6

omega 3s

For omega-3 fatty acids, spirulina has more alpha linoleic acid (ALA) than peanut butter per 100 grams.

Peanut Butter Spirulina
alpha linoleic acid 0.078 G 0.823 G
Total 0.078 G 0.823 G

omega 6s

Comparing omega-6 fatty acids, peanut butter has more linoleic acid than spirulina per 100 grams.

Peanut Butter Spirulina
other omega 6 0.64 G ~
linoleic acid 13.854 G 1.254 G
Total 14.494 G 1.254 G



Customize your serving size


The comparison below is by common portions, e.g. cups, packages. You can also see a more concrete comparison by weight at equal weight (by grams) comparison.

Note: The specific food items compared are: Peanut Butter (Peanut butter, chunk style, with salt) and Spirulina (Seaweed, spirulina, dried) .

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FAQ

Does spirulina or peanut butter contain more calories in 100 grams?
Both spirulina and peanut butter are high in calories. Peanut butter has 100% more calories than spirulina - spirulina has 290 calories in 100g and peanut butter has 589 calories.

Is spirulina or peanut butter better for protein?
Both spirulina and peanut butter are high in protein. Spirulina has 140% more protein than peanut butter - spirulina has 57.5g of protein per 100 grams and peanut butter has 24.1g of protein.

Does spirulina or peanut butter contain more calcium?
Both spirulina and peanut butter are high in calcium. Spirulina has 170% more calcium than peanut butter - spirulina has 120mg of calcium in 100 grams and peanut butter has 45mg of calcium.

Does spirulina or peanut butter contain more iron?
Spirulina is an abundant source of iron and it has 14 times more iron than peanut butter - spirulina has 28.5mg of iron in 100 grams and peanut butter has 1.9mg of iron.

Does spirulina or peanut butter contain more potassium?
Both spirulina and peanut butter are high in potassium. Spirulina has 80% more potassium than peanut butter - spirulina has 1363mg of potassium in 100 grams and peanut butter has 745mg of potassium.