Sulfur

The average human body contains about 1 teaspoon of sulfur. You may know sulfur as the mineral that gives rotten eggs their distinctive smell.

Natural Food Sources
Dried beans, cabbage, clams, eggs, fish, garlic, legumes, meat, milk, onions, poultry, wheat germ

Main Functions
Sulfur is necessary for the formation of hair, nails, cartilage and tissue. It is needed for metabolism and a healthy nervous system, plus it aids bile secretion in the liver.

Deficiency Symptoms
Sulfur deficiency is only found in conjunction with protein deficiency, and can be alleviated by increasing protein consumption.

Toxicity Symptoms
Excess sulfur is excreted in urine, so is essentially non-toxic.

Dietary Reference Intake
There is no official Recommended Dietary Allowance or Dietary Reference Intake for this mineral but as a guideline, you need more than 100 mg of sulfur per day.