Epigenetic tests measure methylation patterns and are a subset of biological age tests.

“we should explain to people that there is a difference cu the so so some of these clocks use solely epigenetic measurements all not all most of the direct to Consumer ones are epigenetic test some of these tests use a Litany of biomarkers inclusive of epigenetics so they'll say we have we we've sampled your methylation pattern but we also looked at your vitamin D level your glucose level your cholesterol level and a whole bunch of other you know things and we compressed all of that into a number as well”