GC America is offering trial offers on three new technology products - KALORE, EXA'lence, and G-CEM - with satisfaction guaranteed. Customers can buy one trial kit or package and get a second of equal or lesser value for free by using a listed promo code. The offers are for new users only and have a one per customer limit. The free goods will ship with the initial order. Expiration dates range from July to December 2009.