


The Touchstone is the uniquely portable dual-functioning microprocessor-controlled personal electronic muscle testing device designed to test a body's physical response to foods, products & supplements or one's emotional response to a personal statement, by storing & comparing 2 thumb pressure readings showing whether the response is beneficial, detrimental or neutral through green, red or orange.
The Touchstone is the easy-to-use mind and body tool that fits in the palm of the hand. Everyone could benefit from one - and it won't break the bank