is squash a source of magnesium
Nutrition Galore! Summer squash is a rich source of Vitamin A and C, magnesium, fiber, folate, riboflavin, phosphorus, potassium and Vitamin B6. In addition, it is high in manganese, a mineral which helps the body process fats, carbohydrates, and glucose.utrition Galore! Summer squash is a rich source of Vitamin A and C, magnesium, fiber, folate, riboflavin, phosphorus, potassium and Vitamin B6. In addition, it is high in manganese, a mineral which helps the body process fats, carbohydrates, and glucose.