How hgh supplements work human growth hormone , also called somatotropin , is a protein hormone of amino . Frequently asked questions where should i store my hgh products ? while products are very stable , we mend that you keep them ( and all supplements ) away from extreme heat or .
According to the above context, choose the best option to answer the following question.
Question: Why should the products be kept away from extreme heat ?
Options:
- Because somatotropin is a protein hormone of amino .
 - Because extreme heat may cause damage to the products .
 - Because they are human growth hormones .
 - Because they are also called somatotropin .


Because extreme heat may cause damage to the products .