Sulfur, unlike most minerals, is not primarily utilized by the body as a nutrient. Instead, it is a component of essential vitamins such as thiamin and biotin, certain amino acids, and insulin. Sulfur plays a vital role in the formation of the body’s tissues, growth of cells, release of energy, protein synthesis, enzyme reactions, digestion and elimination, and body detoxification. It is also important in the production of collagen, the protein in connective tissues that functions to protect the joints and to maintain healthy hair and skin.

Present in all cells of the body especially in the hair and skin, sulfur functions to protect the body from toxic substances by aiding in the body’s oxidation reactions and fighting against free radicals. Because of its ability to protect against toxic substances, sulfur is able to cleanse the blood and fight off bacteria.

There are no known serious conditions relating to deficiency in sulfur since it is very widespread in foods. Sulfur deficiencies are rare and mostly affect people who rely on eating foods grown in sulfur-depleted soil. Also, protein deficiency usually occurs ahead of sulfur deficiency. Some symptoms that are related to sulfur deficiency are brittle hair and nails, wrinkles and other signs of aging, constipation, stunted growth, dermatitis, and eczema.

It is very easy to meet the needs of the body for sulfur as it is present in almost every kind of food in a regular diet. Sulfur can be found in sources such as kale, cabbage, turnip, Brussels sprouts, garlic, onions, cauliflower, raspberry, wheat germ, and all protein-containing foods. Egg yolks are considered to be the richest food source of sulfur.

Sulfur does not have a set recommended daily value because it has very low toxicity from natural food sources. Although organic sulfur is highly unlikely to be life-threatening, sulfur in its inorganic form causes toxicity if eaten or used in excess (pertaining to hair conditioners, chemicals and straighteners). Sulfur toxicity can increase cardiac risks, cause eye and skin irritations, and pulmonary problems.

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