Animal proteins provide the richest sources of L-arginine. Seafood, such as tuna, salmon, shrimp and crab, contains high levels of the amino acid, while beef, pork, poultry and most dairy also provide a rich supply. Argi... More »

One food that contains L-tryptophan is the kidney of a Stellar sea lion. Two hundred grams of the meat contain 2580 milligrams of this amino acid. More readily available foods that contain L-tryptophan include raw Alaska... More » Food Food Facts

Foods that increase nitric oxide include white meat turkey, spinach, crab, shrimp, walnuts and sesame seeds. These foods contain an amino acid called arginine. The body uses enzymes to break down the arginine, creating t... More » Food Food Facts

L-arginine is an amino acid that is essential for creating proteins in the body, explains WebMD. The body converts it into nitric oxide, a chemical that widens the blood vessels for better blood flow. L-arginine also hel... More » Health Medications & Vitamins Vitamins & Supplements

Purines are found in all proteins, such as organ meats, beef, pork, lamb, game meats, anchovies, herrings, mackerel, sardines, scallops, and meat gravies and extracts. Purines are also found in yeast, legumes, mushrooms,... More » Health Nutrition & Diets Nutritional Content

Foods rich in iron include beef and chicken liver; seafood such as clams, mollusks, mussels, oysters and sardines; and plant sources such as spinach, beans, tofu, pumpkin seeds and sesame seeds. Other good sources of iro... More » Health Nutrition & Diets Nutritional Content

The main food sources of coenyzme Q10 are beef and chicken, according to Everyday Health. Dietary sources are limited, so coenzyme Q10 is available in a variety of supplement forms, including tablets, oral spray and soft... More » Health Nutrition & Diets Nutritional Content