Our RINT Shop

10% of our net profits from supplements are donated to Eating Disorder Hope, whose mission is to provide hope and support to those suffering from disordered eating.

FREE SHIPPING on all supplement and test kit orders!

All of our medical-grade supplements, test kits and our ProLon Fasting Mimicking Diet kit will be drop-shipped directly to you. All of our tests can be conveniently administered at home. We only offer urine, saliva, stool and finger stick test kits. Easy-to-follow directions are provided with each test kit. We are always available to walk you through administering these tests.

NUTRITION SUPPLEMENTS

We offer a 30-DAY MONEY BACK guarantee on all supplements as long as they are shipped back and post-dated within 30 days after your shipment was received. We will not be able to cover your shipping costs, but we are happy to give you a full refund.

TEST KITS

All Test Kits are FINAL SALE. This means we are unable to offer refunds, exchanges or credits once the order is processed. If you are unsure about which test is right for you, please contact us so that we can help determine which test would be appropriate. We are happy to help guide you in the right direction.