Ever wonder how your favorite foods stack up against each other in terms of nutrition?
We compared the nutritional contents of
tofu
versus
romaine lettuce
(100g each)
below using 2020 USDA and NIH data[1].
For a quick recap of significant nutrients and differences in tofu and romaine lettuce:
Romaine lettuce has 3.4 times less calories than tofu - romaine lettuce has 17 calories per 100 grams and tofu has 76 calories.
For macronutrient ratios, tofu is heavier in protein, much lighter in carbs and much heavier in fat compared to romaine lettuce per calorie. Tofu has a macronutrient ratio of 39:9:52 and for romaine lettuce, 26:65:10 for protein, carbohydrates and fat from calories.
Macro Ratios from Calories:
Tofu | Romaine Lettuce | |
---|---|---|
Protein | 39% | 26% |
Carbohydrates | 9% | 65% |
Fat | 52% | 10% |
Alcohol | ~ | ~ |
Both romaine lettuce and tofu are low in carbohydrates - romaine lettuce has 3.3g of total carbs per 100 grams and tofu has 1.9g of carbohydrates.
The carbs in romaine lettuce are made of 64% dietary fiber and 36% sugar, whereas the carbs in tofu comprise of 67% sugar and 33% dietary fiber.
Romaine lettuce is a great source of dietary fiber and it has 600% more dietary fiber than tofu - romaine lettuce has 2.1g of dietary fiber per 100 grams and tofu has 0.3g of dietary fiber.
Romaine lettuce and tofu contain similar amounts of sugar - romaine lettuce has 1.2g of sugar per 100 grams and tofu has 0.62g of sugar.
Tofu is a great source of protein and it has 557% more protein than romaine lettuce - romaine lettuce has 1.2g of protein per 100 grams and tofu has 8.1g of protein.
Both romaine lettuce and tofu are low in saturated fat - romaine lettuce has 0.04g of saturated fat per 100 grams and tofu has 0.69g of saturated fat.
Romaine lettuce has 39 times more Vitamin C than tofu - romaine lettuce has 4mg of Vitamin C per 100 grams and tofu has 0.1mg of Vitamin C.
Romaine lettuce is an excellent source of Vitamin A and it has more Vitamin A than tofu - romaine lettuce has 436ug of Vitamin A per 100 grams and tofu does not contain significant amounts.
Romaine lettuce and tofu contain similar amounts of Vitamin E - romaine lettuce has 0.13mg of Vitamin E per 100 grams and tofu has 0.01mg of Vitamin E.
Romaine lettuce is a great source of Vitamin K and it has 41 times more Vitamin K than tofu - romaine lettuce has 102.5ug of Vitamin K per 100 grams and tofu has 2.4ug of Vitamin K.
Romaine lettuce has more pantothenic acid and folate. Both tofu and romaine lettuce contain significant amounts of thiamin, riboflavin, niacin and Vitamin B6.
Tofu | Romaine Lettuce | |
---|---|---|
Thiamin | 0.081 MG | 0.072 MG |
Riboflavin | 0.052 MG | 0.067 MG |
Niacin | 0.195 MG | 0.313 MG |
Pantothenic acid | 0.068 MG | 0.142 MG |
Vitamin B6 | 0.047 MG | 0.074 MG |
Folate | 15 UG | 136 UG |
Tofu is an excellent source of calcium and it has 961% more calcium than romaine lettuce - romaine lettuce has 33mg of calcium per 100 grams and tofu has 350mg of calcium.
Tofu is an excellent source of iron and it has 453% more iron than romaine lettuce - romaine lettuce has 0.97mg of iron per 100 grams and tofu has 5.4mg of iron.
Romaine lettuce is a great source of potassium and it has 104% more potassium than tofu - romaine lettuce has 247mg of potassium per 100 grams and tofu has 121mg of potassium.
For omega-3 fatty acids, tofu has more alpha linoleic acid (ALA) than romaine lettuce per 100 grams.
Tofu | Romaine Lettuce | |
---|---|---|
alpha linoleic acid | 0.319 G | 0.113 G |
Total | 0.319 G | 0.113 G |
Comparing omega-6 fatty acids, tofu has more linoleic acid than romaine lettuce per 100 grams.
Tofu | Romaine Lettuce | |
---|---|---|
linoleic acid | 2.38 G | 0.047 G |
Total | 2.38 G | 0.047 G |
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: Tofu (Tofu, raw, regular, prepared with calcium sulfate) and Romaine Lettuce (Lettuce, cos or romaine, raw) .
Tofu g
()
|
Daily Values (%) |
Romaine Lettuce g
()
|
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KCAL % |
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5% | calories | 5% |
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KCAL % | |
G % |
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5% | carbohydrates | 5% |
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G % | |
G % |
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5% | dietary fiber | 5% |
|
G % | |
G | 5% | sugar | 5% | G | |||
G % |
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5% | total fat | 5% |
|
G % | |
G % |
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5% | saturated fat | 5% |
|
G % | |
G | 5% | monounsaturated fat | 5% | G | |||
G | 5% | polyunsaturated fat | 5% | G | |||
G | 5% | trans fat | 5% | G | |||
MG | 5% | cholesterol | 5% | MG | |||
MG % |
|
5% | sodium | 5% |
|
MG % | |
5% | Vitamins and Minerals | 5% | |||||
UG % |
|
5% | Vitamin A | 5% |
|
UG % | |
MG % |
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5% | Vitamin C | 5% |
|
MG % | |
IU % |
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5% | Vitamin D | 5% |
|
IU % | |
MG % |
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5% | calcium | 5% |
|
MG % | |
MG % |
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5% | iron | 5% |
|
MG % | |
MG % |
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5% | magnesium | 5% |
|
MG % | |
MG % |
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5% | potassium | 5% |
|
MG % | |
MG % |
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5% | thiamin (Vit B1) | 5% |
|
MG % | |
MG % |
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5% | riboflavin (Vit B2) | 5% |
|
MG % | |
MG % |
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5% | niacin (Vit B3) | 5% |
|
MG % | |
MG % |
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5% | Vitamin B6 | 5% |
|
MG % | |
MG % |
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5% | pantothenic acid (Vit B5) | 5% |
|
MG % | |
UG % |
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5% | folate (Vit B9) | 5% |
|
UG % | |
UG % |
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5% | Vitamin B12 | 5% |
|
UG % | |
MG % |
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5% | Vitamin E | 5% |
|
MG % | |
UG % |
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5% | Vitamin K | 5% |
|
UG % | |
G % |
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5% | protein | 5% |
|
G % | |
UG % |
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5% | biotin (Vit B7) | 5% |
|
UG % | |
MG % |
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5% | choline | 5% |
|
MG % | |
MG % |
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5% | chlorine | 5% |
|
MG % | |
UG % |
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5% | chromium | 5% |
|
UG % | |
MG % |
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5% | copper | 5% |
|
MG % | |
UG % |
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5% | fluoride | 5% |
|
UG % | |
UG % |
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5% | iodine | 5% |
|
UG % | |
MG % |
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5% | manganese | 5% |
|
MG % | |
UG % |
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5% | molybdenum | 5% |
|
UG % | |
MG % |
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5% | phosphorus | 5% |
|
MG % | |
UG % |
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5% | selenium | 5% |
|
UG % | |
MG % |
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5% | zinc | 5% |
|
MG % | |
G | 5% | Water | 5% | G | |||
G | 5% | Starch | 5% | G | |||
G | 5% | Alcohol | 5% | G | |||