Retailers natural want to stock supplements their customers will buy, use and love. After all, repeat business is core to the business model.

But with an ever-growing array of supplements designed to support conditions from bone strength to women's health, how does a retailer really know what's best?

This gallery of retailers' and consumers' favorite supplements, complete with descriptions of the gold winners, can guide your purchasing decisions and help educate both employees and customers. Click through to find out the top choices.