sometimes when i have to work late i get up at 4am to train. i just have something quick like a scoop of gatorade and a scoop of whey in water. i do this right when i wake up and start lifting about 30 minutes later. this copy and paste can offer more suggestions:
PREWORKOUT
OBJECTIVE
the objective here is to promote sustained carbohydrate availability (& to a lesser degree, amino acid availability), minimize muscle catabolism, and spare glygogen as much as possible. this is best accomplished by carbs with a low to moderate GI & insulin index (II). it's important to note here that research is quite conflicting on the issue of GI & exercise performance. much of the latest studies show no real difference. nevertheless, it's established that lower-GI sources influence substrate oxidation during training ever-so-slightly better for bodybuilding purposes. when i mention GI, i'm talking about the glucose comparison standard, not the white bread standard. the actual amount & physical nature of the meal depends on how soon your schedule allows you to eat or drink before training. there are at least 3 acceptable scenarios..
COMPOSITION
scenario one: a solid, full-sized balanced meal finished 60-90 minutes preworkout consisting of 30-60g protein (0.2-0.25g/lb target BW) + 40-80g carb (0.33g/lb target BW). there are endless examples of how this can be constructed, & heres just one:
---- 5-8oz of any type of land or sea animal flesh
---- 1-2 cups low to moderate-GI grain or other starchy vegetable or legume /or/ fistsize sweet potato, etc, look up sub-70-rated examples here.
---- 1 or more cups fibrous vegetable like salad greens, broccoli, cauliflower, asparagus, spinach, kale, cabbage, onions, even carrots, etc, etc
scenario two: a liquid meal or shake finished 15-30min preworkout:
---- 20-50g protein (0.15-0.2g/lb target BW) whey is preferred for its BCAA content
---- 40-80g (0.33g/lb target BW) low-to-moderate GI carbs. any fruit works well here, so does old fashioned oats. a solid case can be built for a combination of both. whether you include water/milk or unsaturated fat like flax or pnb is really personal preference. milk just gets the anabolic/anticatabolic cascade rolling for those in a severe hurry to gain muscle. adding fat to this shake can slow the release of nutrients substantially & benefit those who train for significantly more than 90 min, offering extra protection against energy dips - especially if you don't consume a dilute carb solution during your workout. most people will do fine without the fat as long as the overall carb profile of the shake is relatively low to moderate-GI. NOTE: most commercially prepared dilute sports drink solutions have a low glycemic load, rendering their high GI irrelevant. some dudes use the same shake for pre & post workout; they make a bigass shake, and simply drink half before & half after - or they sip it thoughout the workout. this is fine too & you'll still benefit, but you're not taking full advantage of the specifically different physiologic demands of pre & postworkout for bodybuilding purposes.
scenario 3: both of the above scenarios in succession (one after the other in the above listed time frame) is probably ideal, but in the real world, many folks train first thing in the morning before work, so that nullifies the possibility of the pre-pre workout meal. no problem, that's where an intelligently concocted prebed meal helps (another topic!). note that individuals will vary in their digestive & absorptive capacity. some folks can only tolerate scenario one without the additional scenario 2 due to less gastrointestinal motility &/or speed of digestion/absorption. trial and error will dictate your optimal meal scheduling respective of this.
to reiterate the factor of individual differences, don't be afraid to go outside of the listed guidelines & exceed the upper limit of listed carb intake as needed to power you through your training. conversely, don't be afraid to dip below it given your gastrointestinal tolerance for exogenous substrate during or pretraining.
