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The World's Healthiest Foods: "Spinach."
Nutrition Reviews: "The role of inorganic nitrate and nitrite in cardiovascular disease risk factors: a systematic review and meta-analysis of human evidence."
U.S. Department of Agriculture: "Spinach, raw."
Eat Right: "How Much Water Do You Need."
Journal of Diabetes & Metabolic Disorders: "Effects of thylakoid intake on appetite and weight loss: a systematic review."
National Institutes of Health Office of Dietary Supplements: "Calcium," "Manganese," "Vitamin K," "Iron," "Vitamin A," "Copper," "Vitamin E," "Folate," "Vitamin B6," "Riboflavin," "Vitamin C," "Potassium."
Mayo Clinic: "Osteoporosis," "Iron deficiency anemia."
FDA: "Interactive Nutrition Facts Label - Vitamins and Minerals Chart."
Johns Hopkins Medicine: "The Immune System."
Better Health Channel: "Folate for pregnant women."
March of Dimes: "Folic Acid."
Centers for Disease Control and Prevention: "General Information About NTDs, Folic Acid, and Folate."
American Optometric Association: "Diet and Nutrition."
National Center for Complementary and Integrative Health: "Antioxidants: In Depth."
Michigan State University: "Diet and inflammation."
Reviewed by Kathleen M. Zelman, MPH, RD, LD on September 30, 2020
This tool does not provide medical advice. See additional information.
THIS TOOL DOES NOT PROVIDE MEDICAL ADVICE. It is intended for general informational purposes only and does not address individual circumstances. It is not a substitute for professional medical advice, diagnosis or treatment and should not be relied on to make decisions about your health. Never ignore professional medical advice in seeking treatment because of something you have read on the WebMD Site. If you think you may have a medical emergency, immediately call your doctor or dial 911.