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2.Salad Greens
Image source: Persephonefarm.com
The greens in salads such as lettuce, spinach, rocket, kale, and so forth, are good sources of vitamins such as Vitamin B9 (Folate), A, and K and also contain iron. The kilocalorie count in relation to weight and volume is very low – 100 grams or 1.5 ounces is only around 15 kilocalories.