==food Sources==
* Squalene is present upto 85% by weight of liver in deep sea sharks.
* Among the plant sources, squalene is present in Amaranthus [[Amaranth]]us seed oil (6-8%), olive oil [[Olive Oil]] (up to 0.7% by weight), palm oil [[Palm Oil]] (0.1 to 2%, depending on species and method of extraction), rice bran oil and wheat germ. Squalene extracted commercially from olive oil is marketed as vegetable squalene having purity of around 97.5% while squalene from shark liver oil can be processed up to 99.9% purity.
==Special Precautions of Squalene==