Unlike dietary antioxidants, proanthocyanidids readily cross the blood-brain barrier to protect vital brain and nerve tissue from oxidation. L Methionine supplementation is needed for the absorption, transportation, and availability of selenium and zinc in the body. A deficiency can lead to loss of weight and appetite, irregular breathing, fatigue and nervous disorders. The unique ability of Papain to break down protein and convert a portion of it into Arginine is extremely important because Arginine is influences the production of HGH. Pine Bark has a remarkable ability to seek and destroy free radicals which is a tremendous benefit to the health of our animals. HGH is produced in the pituitary gland is directly responsible for DNA and RNA replication. It can reduce fatigue and is useful in the development of age-related cataracts. Copper is needed for healthy joints and nerves. HGH helps increase muscle tone and decrease body fat. It is important for chemical reactions within cells, aids in maintaining stable blood pressure and proper transmission of chemical impulses. It can detoxify harmful agents such as lead and other heavy metals found in airborne pollutants.Oyster Shell- Extremely rich in calcium, the major element in the structural framework of bones. Practically every cell in the body especially heart, nerves and muscles, rely on calcium to function properly.Copper- Aids in the formation of red blood cells and works with Vitamin C to form elastin, an important protein that makes up bone, skin and connective tissue. (Canine formula only). Research has shown magnesium can help prevent cardiovascular disease, osteoporosis and certain forms of cancer. It is known to prevent hardening of the arteries, heart disease and high blood pressure and aids in lowering cholesterol. It is good for certain skin disorders and can increase the release of sex hormones improving reproductive health. Pine Bark helps relieve pain and symptoms of osteoarthritis and rheumatism.Potassium (Citrate)- Important for a healthy nervous system and regular heart rhythm. By reducing oxidative damage to cells and vital tissues, much damage is held to a subdued rate.Pine Bark- The proanthocyanidids in Pine Bark have been shown in clinical studies to be 20 times more effective than Vitamin C and 50 times more effective than Vitamin E as an antioxidant.Papain- Aids in the digestion of protein and helps cleanse the tissues and intestinal walls. The heart requires calcium to maintain a normal beat.Manganese- An enzyme activator that plays an important part in tissue respiration and carbohydrate and fat metabolism.Evening Primrose Oil- High in gamma linolenic acid, an essential polyunsaturated fatty acid that promotes cardiovascular health. It helps prevents strokes, aids in proper muscle contraction and works with sodium to control the water balance in the body. Manganese deficiency can lead to paralysis, convulsions, dizziness, deafness and blindness. Chicken liver is good for anemia and aids in building healthy red blood cells and can increase energy and relieve stress. Muscles need it for contraction and relaxation. It is important for energy and healthy maintenance of bones, teeth, arteries, heart and nerves. It is a powerful antioxidant and good source of sulfur, which neutralizes free radicals and helps prevent skin, coat and nail problems.L Methionine- An essential amino acid not synthesized by the China Arachidonic Acid Company body that must be obtained from food or supplements. Magnesium- Acts as a catalyst in the utilization of carbohydrates, fats, protein, calcium, phosphorus and potassium.Phosphorus- Works with calcium to build bones and teeth and aids the body in the utilization of vitamins, and conversion of food to energy. It aids in the healing process and energy production.It contains minerals including calcium, copper, phosphorus and iron. It is important for normal skeletal development and to maintain sex hormone production