Baby spinach has more iron than any other vegetable. It’s loaded with vitamins A, B6, K, Folate, calcium, magnesium, phosphorus, potassium, copper, manganese, zinc, selenium, thiamin, riboflavin, niacin, vitamin E, folate, pantothenic acid, biotin, phytosterols, lutein, zeaxanthin, beta carotene, lycopene, alpha-carotene, ascorbic acid, and many others.