Food 15 Foods with Low Calories and a Lot of Nutrients ADVERTISEMENT: 14.Asparagus Image source: Unsplash.com Bring on asparagus in Spring! Asparagus shoots are low in sodium and contain iron, potassium, zinc, Vitamin K, B Vitamins, fiber and a high water content. A 100-gram serve or 3.5 ounces is around 20 kilocalories. Page 2 of 15