Sulphur is needed for protein synthesis and detoxification, and collagen, hence skin repair, anti aging. Is too tasty/smelly in foods – brussels sprouts, garlic, egg yolks.
Needed for Glutathione manufacture – essential for methylation and hence inner detoxification. Especially if you want clear skin or no cancer.
Found in strong flavored foods – egg yolks, onion family, turnips, kale, cabbage, seaweed.
Also in all protein-rich animal foods, such as dairy, eggs, beef, poultry and seafood.