I am an IBS sufferer desperate for help. I I purchased a full allergy test through this company as a Groupon. I cut some hairs, filled out my history form and sent it in. Later that day I thought I had just spoon-fed them all of my known and suspected sensitivities. The very next day I bought another test and used my middle name. I did not write down any allergies at all. I sent my hair sample in again just as I had done the day before. The 2 results could not have been more different. There was only 1 food item that was the same out of the hundreds of items. The first test came back with sensitivities to everything I had written down, which was numerous. The second test came back with almost no sensitivities. It would have been comical if it wasn't so serious and many people are desperate for help. I contacted them and they had no explanation. They sent me a refund in the way of an Amazon gift card, which I thought odd and it took weeks to get. Do not rely on this company as it is a scam and needs to be shut down.