Is There Any Expiry Date Of GreenHCG Diet Drops?GreenHCG drops are homeopathic in nature and do not have any side effects. These diet drops are manufactured in FDA approved labs after the series of rigorous dilution. It does not interfere wit any medications. GreenHCG drops do not have any expiry date and has a great shelf value of 5 years. These oral drops can be kept in room temperature as well as easily portable.