Which of these is the best source of information about a health product? a.) the company website b.) celebrity endorsers. c.) empirical evidence. d.) advertisements

empirical evidence.

Explanation:

Now, a company website is not a reliable source of information, because, as advertisements, their aim is to have traffic in their websites and to sell their products and magic solutions with their advertisements.

Moreover, these ads are not based on reliable information because in most of the cases they are not based on scientific facts.