- Protein
- 133 g
- Fat
- 65 g
- Carbs
- 227 g
Fuel the training.
Shift the clock.
A weekly dietary guide for Heavy / Light / Medium lifters—built around when you train, not when the calendar turns midnight.
This dietary guide is based on Dr. Casey Butt’s discussion of protein cycling in the linked interview. He is also widely known for his muscular potential formula. This is an independent educational tool.
High begins 2 hours before Heavy and Medium sessions.
The high phase continues for about 22 hours after training.
Normal and low windows fill the cycle; calories still total exactly.
Build around your real week
Enter your best estimate. Every unit, default, and assumption is shown—nothing is hidden.
Energy target
Set the weekly calorie budget first.
Body composition
Used only to set protein and the fat floor.
Blank uses 20% for men. Current lean mass: 144 lb.
Effective protein weight: 162 lb (162 lb for the g/lb formula).
High: 1.76 · Normal: 1 · Low: 0.43 g/lb/day. High and Low scale proportionally from the Normal setting.
Training schedule
Each session needs a unique weekday.
Week of August 31, 2026
Repeat this seven-day cycle while the inputs and training schedule remain the same.
Phase windows
Every row stays within one calendar day; day-ending rows display 11:59 pm instead of the next day at midnight.
| Window | Phase | Starts | Ends | Duration | Calories | Protein for window | Fat | Carbs | Rate |
|---|---|---|---|---|---|---|---|---|---|
| 1 | LOW | Mon12:00 am | Mon5:00 pm | 17h | 1,188kcal | 49g in window | 38g | 162g | 70kcal/h |
| 2 | HIGH | Mon5:00 pm | Mon11:59 pm | 7h | 840kcal | 83g in window | 27g | 66g | 120kcal/h |
| 3 | HIGH | Tue12:00 am | Tue5:00 pm | 17h | 2,040kcal | 202g in window | 66g | 160g | 120kcal/h |
| 4 | NORMAL | Tue5:00 pm | Tue11:59 pm | 7h | 645kcal | 47g in window | 21g | 67g | 92kcal/h |
| 5 | NORMAL | Wed12:00 am | Wed11:59 pm | 24h | 2,212kcal | 162g in window | 71g | 231g | 92kcal/h |
| 6 | NORMAL | Thu12:00 am | Thu11:59 pm | 24h | 2,212kcal | 162g in window | 71g | 231g | 92kcal/h |
| 7 | NORMAL | Fri12:00 am | Fri5:00 pm | 17h | 1,566kcal | 115g in window | 50g | 163g | 92kcal/h |
| 8 | HIGH | Fri5:00 pm | Fri11:59 pm | 7h | 840kcal | 83g in window | 27g | 66g | 120kcal/h |
| 9 | HIGH | Sat12:00 am | Sat5:00 pm | 17h | 2,040kcal | 202g in window | 66g | 160g | 120kcal/h |
| 10 | LOW | Sat5:00 pm | Sat11:59 pm | 7h | 489kcal | 20g in window | 16g | 67g | 70kcal/h |
| 11 | LOW | Sun12:00 am | Sun11:59 pm | 24h | 1,678kcal | 70g in window | 54g | 228g | 70kcal/h |
| Weekly daily average | 2,250 kcal/day | 171 g/day | 72 g/day | 229 g/day | 94 kcal/h | ||||
Calendar-day view
Your practical daily totals after phase windows are split at midnight.
- Protein
- 249 g
- Fat
- 87 g
- Carbs
- 227 g
- Protein
- 162 g
- Fat
- 71 g
- Carbs
- 231 g
- Protein
- 162 g
- Fat
- 71 g
- Carbs
- 231 g
- Protein
- 198 g
- Fat
- 78 g
- Carbs
- 229 g
- Protein
- 222 g
- Fat
- 82 g
- Carbs
- 227 g
- Protein
- 70 g
- Fat
- 54 g
- Carbs
- 228 g
Recovery does not reset at midnight.
Casey Butt’s interview describes a high-protein period beginning in the hours before hard training and continuing into the following day. If you train Monday evening, much of that Monday training window actually lands on Tuesday’s calendar. This guide preserves the timing first, then translates it into daily totals you can use.
Method at a glance
1.76 g/lb effective weight
2h pre → 22h post Heavy and Medium.
1.00 g/lb effective weight
The recovery interval from Heavy toward Medium.
0.43 g/lb effective weight
The interval after Medium back to Heavy.
The protein slider sets the Normal rate from 0–2 g/lb; High and Low retain Casey’s relative proportions. “Effective weight” is this guide’s configurable adaptation. Butt’s interview states the high and low figures in relation to lean mass; the default midpoint here reflects a chosen compromise between lean and total body weight.
A dietary guide—not medical advice
Use these numbers as planning estimates. Food labels and energy needs are imperfect, and protein needs may differ in a calorie deficit or with medical conditions. Keep dietary fat varied; this calculator aims for about 29% of calories where protein allows and never below roughly 0.3 g/lb lean mass. Saturated fat should generally stay below about 10% of total calories. Consult a registered dietitian or clinician for personal guidance.