A genetics test that show how to eat and work out based on DNA — frighteningly accurate

I've shipped my spit to a lot of companies, like family-heritage site AncestryDNA and personal-genetics company 23andMe.

All that information I got from those tests was just the beginning. More recently, I wanted to take my genes a step further.

Pathway Genomics, which has been around since 2008, offers tests that cover everythingfrom liquid biopsies (tests that look for circulating tumor cells in the blood) to tests that tell you how your body will interact with a certain medication.

One of its most popular tests, called Fit, takes a look at a subset of genes to give you a snapshot of how your body might respond to food and exercise based on your genetic makeup.

At $599, it's not the cheapest test out there, but I felt like this test was sometimes reading my mind:

Soon after I ordered the test online, Pathway's shiny silver box arrived at the office.

Lydia Ramsey/Business Insider

Inside, I found a standard spit-collection kit, a bag to put it in, and a set of instructions and paperwork.

Lydia Ramsey/Business InsiderLike any other spit-based DNA test, Pathway's had me muster up a lot of spit. (My new trick: I picture eating sour foods, which make me salivate like crazy).

Because the test is not a direct-to-consumer test, I had to have a physician involved. For the purposes of this review, Pathway provided a doctor for me who authorized my test.

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