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Eating for a 10-12x-a-week routine
Training twice a day means that you'll be experiencing acute post-workout effects (for 3-4 hours right after workout) for up to 44% of your waking hours. That means twice as long acute elevations of mRNA, net protein synthesis, glycogen depletion and uptake, growth hormone, testosterone, elevated cortisol / lowered insulin, growth hormone, and metabolic rate. It also means that, compared to a normal 3x-a-week schedule, your body will be experiencing the acute effects of post-workout at least FOUR times as much as your normal routine. None of that takes into account the overall summation effect and increased microtrauma, the stuff we usually pay attention to when we talk about caloric intake during bulking.
Yeah, you need to eat.
Assumptions
1) DC's program requires that (natural!
trainees eat at least 2g/lbs protein. Although there's little evidence from scientific domestic studies that eating protein beyond 1g/lbs (which is considered a lot anyway) will benefit you beyond extra calories, most serious DC trainees strongly abide by this. I don't think it hurts; it's relatively difficult for your body to convert protein into energy or excess fat. You have two training bouts where mRNA and protein synthesis levels will be acutely elevated as well as the overall summation effect. And, frankly, do you really want to eat all those extra calories in carbs and fat? I think that rec goes up to even 3g/lbs, but for this diet (and the fact that the carb intake would be higher than a normal DC bulking diet), we'll leave it at 2 g/lbs protein.
For increasing glycogen stores, Bryan recommends:
2) A total of 7-10g/KG carbs over a 24-hour period. Because the protein intake is so high that some of it will convert to glycogen, we'll leave it at 7g/KG.
For post-WO replenishment, Bryan recommends:
3) At least 0.7-1g/KG carbs right after workout and again 1-2 hours after. Since this is a baseline recommendation and that your body right after lifting is really good at using carbs for anything but fat storage, let's increase the carb intake right after workout by 50%, but keeping the rec for 1-2 hour the same.
4) The net carbs from your post-WO feeds will of course be deducted from the total carbs. During 5s and post-5s, because we assume you'll have reasonably high glycogen levels, you may just drop the extra, non-WO carbs. It's actually not a lot.
5) No presumptions for fat intake besides EFA preference.
6) Trainee is 10-15% If he is higher (or lower), then estimate your LBM and use that.
7) Eat as you normally would on your rest day; that is, your normal caloric rate with 300-500 extra calories.
Recommendations
1) Protein: 0.943g / kg
2) Post-WO Carbs: 1.5g / kg
3) Post-WO Carbs, 1-2 hours later: 1.0g / kg
4) The net, non-WO carbs: 2g/kg. You may drop this during 5s.
And in the Queen's Olde-English:
1) Protein: 2g/lbs
2) Post-WO Carbs: 0.71g/lbs
3) Post-WO Carbs, 1-2 hours later: 0.47g/lbs
4) Net Carbs: 0.94g/lbs. You may drop this during 5s
Scenario
Say you're a 150lbs 12% skinny man . . .
Let's use calculations for Eating for Size as a reference:
MR = lbs / 2.12 * 24 * 1.5 (very high activity level )
MR for 150lbs skinny man = 2547 calories
150lbs skinny man with 500 caloric surplus = 3047 calories
Bulking Diet:
1) Protein: 300g
2) Post-WO Carbs: 106g
3) Post-WO Carbs, 1-2 hours later: 70g
4) Net carbs: 141g
5) 70g fat. (Assuming 5g fat per 25g protein and EFA supplementation)
Total protein intake: 300g
Total carb intake: (106 + 70) * 2 + 141 = 495g
Total fat: 70g
Total calories: 3800 calories ~ 52% carbs, 32% protein, 16% fat
For 5s/post-5s:
Breakdown: 350g carbs, 300g protein, 70g fat
Total calories: 3230 calories ~ 43% carbs, 37% protein, 20% fat
These numbers can vary depending on your protein sources. It's still a lot of food.