Body fat % for optimal testosterone production? sheeet, you should be asking what's optimal Dianabol % for maximal testosterone. Even if there was an optimal bf % for such a thing, it would mean nothing in the grand scheme of things. At the the end of the day the extra few nanograms of test one would get from doing everything right would be nothing, a drop of water into the ocean.
That being said Duchaine and others pondered that 10-12% was the best range for most folks. You're lean enough to look good, You'll feel healthy for your big lifts and in general life, and if you do want to diet down a bit, you'd be able to drop a few % points without killing yourself.
