Rhubarb vs. Spinach
Nutrition comparison of Rhubarb and Spinach
Ever wonder how your favorite foods stack up against each other in terms of nutrition?
We compared the nutritional contents of
rhubarb
versus
spinach
(100g each)
below using 2020 USDA and NIH data[1].
For a quick recap of significant nutrients and differences in rhubarb and spinach:
- Both rhubarb and spinach are high in calcium and potassium.
- Spinach has more thiamin, riboflavin, niacin, Vitamin B6 and folate.
- Spinach is a great source of dietary fiber and iron.
- Spinach is an excellent source of Vitamin A, Vitamin C and Vitamin K.
USDA sources for nutritional information: Rhubarb (Rhubarb, raw) and Spinach (Spinach, raw) . Have a correction or suggestions? Shoot us an email.
Calories and Carbs
calories
Rhubarb and spinach contain similar amounts of calories - rhubarb has 21 calories per 100 grams and spinach has 23 calories.
For macronutrient ratios, rhubarb is much lighter in protein, much heavier in carbs and lighter in fat compared to spinach per calorie. Rhubarb has a macronutrient ratio of 15:77:8 and for spinach, 39:49:12 for protein, carbohydrates and fat from calories.
Macro Ratios from Calories:
| Rhubarb | Spinach | |
|---|---|---|
| Protein | 15% | 39% |
| Carbohydrates | 77% | 49% |
| Fat | 8% | 12% |
| Alcohol | ~ | ~ |
carbohydrates
Both rhubarb and spinach are low in carbohydrates - rhubarb has 4.5g of total carbs per 100 grams and spinach has 3.6g of carbohydrates.
dietary fiber
Spinach is a great source of dietary fiber and it has 22% more dietary fiber than rhubarb - rhubarb has 1.8g of dietary fiber per 100 grams and spinach has 2.2g of dietary fiber.
sugar
Rhubarb and spinach contain similar amounts of sugar - rhubarb has 1.1g of sugar per 100 grams and spinach has 0.42g of sugar.
Protein
protein
Spinach has 218% more protein than rhubarb - rhubarb has 0.9g of protein per 100 grams and spinach has 2.9g of protein.
Fat
saturated fat
Both rhubarb and spinach are low in saturated fat - rhubarb has 0.05g of saturated fat per 100 grams and spinach has 0.06g of saturated fat.
Vitamins
Vitamin C
Spinach is an excellent source of Vitamin C and it has 251% more Vitamin C than rhubarb - rhubarb has 8mg of Vitamin C per 100 grams and spinach has 28.1mg of Vitamin C.
Vitamin A
Spinach is an excellent source of Vitamin A and it has 92 times more Vitamin A than rhubarb - rhubarb has 5ug of Vitamin A per 100 grams and spinach has 469ug of Vitamin A.
Vitamin E
Spinach has 652% more Vitamin E than rhubarb - rhubarb has 0.27mg of Vitamin E per 100 grams and spinach has 2mg of Vitamin E.
Vitamin K
Spinach is an excellent source of Vitamin K and it has 15 times more Vitamin K than rhubarb - rhubarb has 29.3ug of Vitamin K per 100 grams and spinach has 482.9ug of Vitamin K.
The B Vitamins
Spinach has more thiamin, riboflavin, niacin, Vitamin B6 and folate. Both rhubarb and spinach contain significant amounts of pantothenic acid.
| Rhubarb | Spinach | |
|---|---|---|
| Thiamin | 0.02 MG | 0.078 MG |
| Riboflavin | 0.03 MG | 0.189 MG |
| Niacin | 0.3 MG | 0.724 MG |
| Pantothenic acid | 0.085 MG | 0.065 MG |
| Vitamin B6 | 0.024 MG | 0.195 MG |
| Folate | 7 UG | 194 UG |
Minerals
calcium
Both rhubarb and spinach are high in calcium. Spinach has 15% more calcium than rhubarb - rhubarb has 86mg of calcium per 100 grams and spinach has 99mg of calcium.
iron
Spinach is a great source of iron and it has 11 times more iron than rhubarb - rhubarb has 0.22mg of iron per 100 grams and spinach has 2.7mg of iron.
potassium
Both rhubarb and spinach are high in potassium. Spinach has 94% more potassium than rhubarb - rhubarb has 288mg of potassium per 100 grams and spinach has 558mg of potassium.
Antioxidants and Phytonutrients
carotenoids
Carotenoids are micronutrients commonly found in plants and some animal products. An example is beta-carotene, the notable carotenoid which is a popular source of Vitamin A.[4][5]
For specific types of carotenoids,
| Rhubarb | Spinach | |
|---|---|---|
| beta-carotene | 61 UG | 5626 UG |
| lutein + zeaxanthin | 170 UG | 12198 UG |
Omega-3 and Omega-6
omega 6s
Comparing omega-6 fatty acids, rhubarb has more linoleic acid than spinach per 100 grams.
| Rhubarb | Spinach | |
|---|---|---|
| linoleic acid | 0.099 G | 0.026 G |
| Total | 0.099 G | 0.026 G |
Customize your serving size
The comparison below is by weight, but sometimes 100g isn't that intuitive of a measurement for food. View a custom portion comparison (e.g. cups, oz, package).
You can try adding or subtracting the amount of either Rhubarb or Spinach .
Rhubarb g
()
|
Daily Values (%) |
Spinach g
()
|
|||||
|---|---|---|---|---|---|---|---|
| KCAL % |
|
5% | calories | 5% |
|
KCAL % | |
| G % |
|
5% | carbohydrates | 5% |
|
G % | |
| G % |
|
5% | dietary fiber | 5% |
|
G % | |
| G | 5% | sugar | 5% | G | |||
| G % |
|
5% | total fat | 5% |
|
G % | |
| G % |
|
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 % |
|
5% | Vitamin C | 5% |
|
MG % | |
| IU % |
|
5% | Vitamin D | 5% |
|
IU % | |
| MG % |
|
5% | calcium | 5% |
|
MG % | |
| MG % |
|
5% | iron | 5% |
|
MG % | |
| MG % |
|
5% | magnesium | 5% |
|
MG % | |
| MG % |
|
5% | potassium | 5% |
|
MG % | |
| MG % |
|
5% | thiamin (Vit B1) | 5% |
|
MG % | |
| MG % |
|
5% | riboflavin (Vit B2) | 5% |
|
MG % | |
| MG % |
|
5% | niacin (Vit B3) | 5% |
|
MG % | |
| MG % |
|
5% | Vitamin B6 | 5% |
|
MG % | |
| MG % |
|
5% | pantothenic acid (Vit B5) | 5% |
|
MG % | |
| UG % |
|
5% | folate (Vit B9) | 5% |
|
UG % | |
| UG % |
|
5% | Vitamin B12 | 5% |
|
UG % | |
| MG % |
|
5% | Vitamin E | 5% |
|
MG % | |
| UG % |
|
5% | Vitamin K | 5% |
|
UG % | |
| G % |
|
5% | protein | 5% |
|
G % | |
| UG % |
|
5% | biotin (Vit B7) | 5% |
|
UG % | |
| MG % |
|
5% | choline | 5% |
|
MG % | |
| MG % |
|
5% | chlorine | 5% |
|
MG % | |
| UG % |
|
5% | chromium | 5% |
|
UG % | |
| MG % |
|
5% | copper | 5% |
|
MG % | |
| UG % |
|
5% | fluoride | 5% |
|
UG % | |
| UG % |
|
5% | iodine | 5% |
|
UG % | |
| MG % |
|
5% | manganese | 5% |
|
MG % | |
| UG % |
|
5% | molybdenum | 5% |
|
UG % | |
| MG % |
|
5% | phosphorus | 5% |
|
MG % | |
| UG % |
|
5% | selenium | 5% |
|
UG % | |
| MG % |
|
5% | zinc | 5% |
|
MG % | |
| G | 5% | Water | 5% | G | |||
| G | 5% | Starch | 5% | G | |||
| G | 5% | Alcohol | 5% | G | |||
FAQ
Does rhubarb or spinach contain more calories in 100 grams?Rhubarb and spinach contain similar amounts of calories - rhubarb has 21 calories in 100g and spinach has 23 calories.
Is rhubarb or spinach better for protein?
Spinach has 220% more protein than rhubarb - rhubarb has 0.9g of protein per 100 grams and spinach has 2.9g of protein.
Does rhubarb or spinach have more carbohydrates?
By weight, both rhubarb and spinach are low in carbohydrates - rhubarb has 4.5g of carbs for 100g and spinach has 3.6g of carbohydrates.
Does rhubarb or spinach contain more calcium?
Both rhubarb and spinach are high in calcium. Spinach has 20% more calcium than rhubarb - rhubarb has 86mg of calcium in 100 grams and spinach has 99mg of calcium.
Does rhubarb or spinach contain more potassium?
Both rhubarb and spinach are high in potassium. Spinach has 90% more potassium than rhubarb - rhubarb has 288mg of potassium in 100 grams and spinach has 558mg of potassium.