I'm running a 3520 calorie per day deficit according to MFP. I'm 6'4, 239 lbs now (started at 321, started Tirz at 307), and eat between 1700-2100 calories a day, averaging about 230g protein a day and 45g fiber. Avg weight loss per week is 6.1 lbs, and am currently on 7.5mg / week. Having said that, I have made very significant changes to my diet and exercise regime. I eat EXTREMELY clean, and I walk 19.88 miles a day every day currently, burning 2408 calories per day walking. I have a walking desk treadmill, so I walk about 6 hours 40 minutes a day at work as well as on the weekends. If I were not walking so much, there is no way I could run such a large deficit. I have talked to my doctor about my rate of loss / exercise / diet, and he told me not to change anything and to keep going. I expect the rate of loss to slow down as I get closer to my goal weight (175lbs).
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