Element #16 on the Periodic Table, Sulfur, (also known as brimstone) is essential in the repair of cartilage and joints. Sulfur is naturally present in most green, leafy vegetables and a variety of fruits, legumes, and grains. Sulfur is lost through dehydration and heat and is necessary for collagen synthesis and helps keep the skin, hair, and nails from becoming rigid and brittle. It also softens tissues, relieves stress, asthma, arthritis, inflammation, constipation, detoxifies the body and increases blood circulation. It reduces muscle cramps and back pain, removes inflammation and permits muscles to heal. It helps with mental calmness and with the ability to concentrate. Sulfur scavenges free radicals, relieves allergies to food and pollens, energizes the liver, controls acidity in the stomach which may reduce severity of ulcers, helps with hypersensitivity to drugs, increases the body's ability to produce insulin, and is vital to carbohydrate metabolism.