A World Free of Chronic Disease- VARIZAPPER/GAMMA : THE MOST INNOVATIVE ZAPPER AND TENS FREQUENCY GENERATOR ON THE MARKET VariZapper frequency device has become widely used and is an integrated part of holistic protocol. The VariZapper is the most innovative Zapper on the market, bringing continuous improvement while being true to its orgins: Basic Zapper. The VariGamma is a frequency generator that allows you to use all frequencies.