Matt,
I know you're not a personal trainer or anything of the sort, but you are one of the most knowledgeable guys on here so I'm hoping you can maybe help me out. I've managed to get down to 10% fat a couple of times and then stalled, sometimes losing muscle when trying to get lower. I've then tried to a clean bulk thinking that if I have more muscle I will find it easier to get sub 10%, but this hasn't proven to be true. Still stuch at darn 10ish %. have you any general advice for those at low bf wanting to get even lower?!
Thanks
Setpoint theory kicks in here, and is something I definitely support based on observations of myself.
Theory says that, without concerted effort, your body "wants" to hit a certain bodyfat level and STAY THERE. If you overeat slightly you gain fat, and if you try to get under your metabolism fights wickedly, and you lose muscle.
Other than the VERY underrated "leptigen" series from Avant, which I am trying to license currently, you can take the following:
Glucosamine HCl (a product of the Hexosamine pathway of glucose metabolism). Multigram doses of Glucosamine while under setpoint sends a false signal of carb intake (your body "thinks" that because you have the endproduct that you must have eaten the corresponding sugar).
Calcium Lactate,acetate, etc. - Increases leptin secretion, which satiates as well as keeps your metabolism humming.
Histidine (tougher to find, but useful for the above)
Fruit-based and wide-range antoixidants, like NOxidant (working on an article here, so don't want to give too much away)
Leucine - primary protein synthesis triggering amino acid that will help recovery and prevent muscle catabolism.
As well, incorporating periodic refeeds will keep your body's metabolism humming.