7 Cheap Sources of Fiber I’ve said it for years, and the Washington Post just made the case again: eating well doesn’t have to cost more. Fiber is cheap, powerful, and badly underconsumed. Up to 95% of us fall short, even though it helps digestion, cholesterol, and blood sugar. Here are 7 of my favorite inexpensive sources, ranked by cost per gram of fiber 👇 🍿 Popcorn: about 2¢/g. A whole grain. Go easy on the butter and salt. 🫘 Dried lentils: about 3¢/g. Shelf stable and easy to digest. 🥣 Chia seeds: about 4¢/g. Eat them with plenty of liquid. 🌾 Oat bran: about 5¢/g. More fiber than instant oats. 🥫 Canned beans: up to 16g of fiber per cup. 🍠 Sweet potatoes: about 8¢/g. Keep the skin on. 🍎 Apples: about 5g each. Easy to grab and go. Aim for roughly 10g of fiber a meal, and build up slowly with plenty of water so your gut can adjust. My favorite of all is beans. They’re the cornerstone of every blue zone diet I’ve studied: cheap, shelf stable, and loaded with fiber and pro...