To test for your zinc level, take two droppers full per day until the zinc tastes bitter & metallic.
Product Size: 4 fl. oz.
Below is the Zinc Taste Test instructions and response indicator chart.
Refund Policy: Due to the nature and integrity of our suppliers, all sales of testing services are final and non-refundable. Thank you.
-Large Facial Pores
-White Spots on Nails