Natural Sources of Creatine in Your Diet Creatine is a naturally occurring compound that your body makes and stores in muscles to help produce energy during high-intensity activities. While many people turn to supplements for an added boost, you can also get creatine through your diet, especially from animal-based foods. Here’s a breakdown of the key natural sources of creatine and how they support your fitness and health: Red Meat (Beef, Lamb, Pork) Red meat is one of the richest natural sources of creatine. A 1-pound (450g) serving of beef can provide about 2 grams of creatine. The creatine content may vary slightly based on how the meat is cooked, but eating red meat regularly can help maintain your natural creatine levels. Fish (Herring, Salmon, Tuna, Cod) Fatty fish like herring and salmon a re excellent sources. For example: Herring contains up to 3–4.5 grams of creatine per pound. Tuna and cod also contain moderate amounts. Fish is a leaner option than red meat and comes wit...