1. Kale — The Undisputed Nutrient-Density Champion Kale tops every major nutrient-density index, including the ANDI score, where it earns a perfect 1000. Rich in vitamins A, C, K, folate, calcium, iron, fibre, and sulforaphane, kale offers unmatched micronutrient coverage per calorie. Its combination of antioxidants and glucosinolates makes it…