Biotin helps to support hair health and metabolise carbohydrates, fats and amino acids.

Biotin, also known as vitamin B7 supports normal hair and skin health.

Eggs, nuts, seafood, seeds and lean meats are all good sources of biotin. Biotin is also available to take as a dietary supplement.

Collagen contains a number of amino acids and is therefore known as the building blocks of the hair, skin and nails.

It occurs naturally in all three, as well as in many beauty products, and can also be taken as a supplement.

Zinc and selenium are great for maintaining normal  nails.

Zinc and biotin are good for maintaining normal hair, skin and nails.

And copper help maintain hair pigmentation.