Arugula microgreens are high in vitamins and minerals, including: Vitamin C: Helps strengthen the immune system and absorb iron Folate: A B-vitamin that helps with DNA synthesis and cell growth Vitamin K: Helps with bone health and wound healing Calcium: Helps with bone health and is similar in quantity to spinach Potassium: Helps balance fluid levels in the body Vitamin A: Helps maintain a strong immune system, healthy vision, and bone health Vitamin E: Helps with nerve impulses, muscle movements, and boosting the immune system Arugula Microgreens Health Benefits and Culinary Tips - The ... Arugula microgreens can contain up to 40 times more nutrients than mature arugula plants. The vitamins and minerals are mainly found in the leaves, and growing conditions can affect the nutritional content.