Zucchini is rich in several vitamins, minerals, and other beneficial plant compounds.

One cup (223 grams) of cooked zucchini provides (2Trusted Source):

• Calories: 17
• Protein: 1 gram
• Fat: less than 1 gram
• Carbs: 3 grams
• Sugar: 1 gram
• Fiber: 1 gram
• Vitamin A: 40% of the Reference Daily Intake (RDI)
• Manganese: 16% of the RDI
• Vitamin C: 14% of the RDI
• Potassium: 13% of the RDI
• Magnesium: 10% of the RDI
• Vitamin K: 9% of the RDI
• Folate: 8% of the RDI
• Copper: 8% of the RDI
• Phosphorus: 7% of the RDI
• Vitamin B6: 7% of the RDI
• Thiamine: 5% of the RDI

It also contains small amounts of iron, calcium, zinc, and several other B vitamins.

In particular, its ample vitamin A content may support your vision and immune system.

Raw zucchini offers a similar nutrition profile as cooked zucchini, but with less vitamin A and more vitamin C, a nutrient which tends to be reduced by cooking.