In a review of 67 studies, consuming as little as 2–10 grams of soluble fiber per day for around 1–2 months reduced, on average, total cholesterol by 1.7 mg/dl and “bad” LDL cholesterol by 2.2 mg/dl.

Zucchini is also rich in potassium, which may help reduce high blood pressure by dilating your blood vessels. Healthier blood pressure is linked to a lower risk of heart disease and stroke.