Arugula contains a variety of B-vitamins such as vitamin B9 and B12. Arugula and other dark-colored leafy greens are excellent sources of folate. It's a lot better to acquire folate and other nutrients from the food you eat rather than in supplements. Arugula contains more than 25% of the recommended daily intake of folate. This is important as it's involved in the production of red blood cells and of serotonin too. Also, there are studies which focus on this nutrient and its preventive effect against diseases. These include diabetes, depression, heart disease, and Alzheimer's disease.

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