Lets compare vitamin content per 100 grams of Tomatoes vs Sweet Onions:
Raw Ripe Red Tomatoes have more Vitamin A, 4.5 times more Vitamin B3, 2.9 times more Vitamin C, 27 times more Vitamin E and 26.3 times more Vitamin K than Raw Sweet Onions.
While Raw Sweet Onions contain 1.6 times more Vitamin B6 and 1.5 times more Vitamin B9 than Raw Ripe Red Tomatoes.
Both Raw Ripe Red Tomatoes and Raw Sweet Onions have similar amounts of Vitamin B1, Vitamin B2 and Vitamin B5 per 100 g.
Both Raw Ripe Red Tomatoes as well as Raw Sweet Onions have insufficient amounts of Vitamin D in 100 g.
Comparing minerals per 100 grams for Tomatoes vs Sweet Onions:
Raw Ripe Red Tomatoes have 1.2 times more Magnesium, 1.5 times more Manganese, 2 times more Potassium and 1.3 times more Zinc than Raw Sweet Onions.
While Raw Sweet Onions contain 2 times more Calcium than Raw Ripe Red Tomatoes.
Both Raw Ripe Red Tomatoes and Raw Sweet Onions have similar amounts of Copper, Iron, Phosphorus and Water per 100 g.
Both Raw Ripe Red Tomatoes as well as Raw Sweet Onions have insufficient amounts of Selenium in 100 g.
Comparison of macro-nutrients per 100 grams:
Raw Ripe Red Tomatoes have 1.3 times more Fiber than Raw Sweet Onions.
While Raw Sweet Onions contain 1.8 times more Energy, 1.9 times more Carbohydrate, 1.9 times more Sugars and 1.5 times more Fructose than Raw Ripe Red Tomatoes.
Both Raw Ripe Red Tomatoes and Raw Sweet Onions have similar amounts of Protein per 100 g.
Both Raw Ripe Red Tomatoes as well as Raw Sweet Onions have insufficient amounts of Fat, Cholesterol, Glucose and Sucrose in 100 g.