Only a blood test can tell you what's going on within your body and assess nutritional levels. Diagnosing and treating deficiencies are made easier with a blood test. Food Deficiency Test comprises tests for Vitamins and minerals; Antioxidants; Amino acids; Metabolites; and Fatty acids. https://telegra.ph/How-Can-A-Nutritional-Deficiency-Test-Help-You-Live-A-Longer-And-Healthier-Life-07-01