The 4-Hour Body - An Uncommon Guide to Rapid Fat-Loss, Incredible Sex, and Becoming Superhuman - Timothy Ferriss
absorptiometry (DEXA) is my favorite option for measuring bodyfat percentage, as the results
include valuable information besides body composition, including mass imbalances and bone
density.
***ZRT at-home Vitamin D test kits (www.zrtlab.com/vitamindcouncil): $65220 Determine
your vitamin D levels before supplementing. The ZRT tests are saliva-based and reasonably
accurate. Note that vitamin D is often included in the comprehensive bloodwork (in our
example, "Chem 6"), and it is always included in the SpectraCell testing I recommend.
Genetic insights (www.23andme.com and www.navigenics.com): $991,000 per test If you'd
like to determine your genetic indicators for fast-twitch muscle ber, ca eine metabolism, or
ethnic make-up, these tests will offer answers.
Berkeley Heart Labs or Advanced Cardio Lipid Panel: $120260 If you adhere to the Lipid