is a protein shake "fast" a good idea?
#1
Guest_Kalan_*
Posted 03 February 2016 - 11:24 AM
#2 
Posted 03 February 2016 - 11:29 AM
My diet isn't a full protein shake fast but it's like 75% protein shakes. I would recommend getting a premade shake or mix with higher protein to prevent constipation
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#3 
Posted 03 February 2016 - 11:35 AM
Second the above.. Plus, unless you have an extremely yummy protein powder (do those even exist!?), you will get sick of the taste really, really quickly. I did a 3 day protein shake fast with powder and premixed shakes, and by the end of it.. Only the premade. I lost about 5 pounds in those 3 days.
#4
Guest_Utau_*
Posted 03 February 2016 - 12:41 PM
#5 
Posted 04 February 2016 - 08:11 PM
No, you could throw off your kidneys and end up with renal failure. Due your research on "high protein diets" even though this is not really a diet but a fast.
please be safe!
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#6 
Posted 05 February 2016 - 03:04 AM
1. This isn't fasting, it's a mono-food restriction diet.
2. Most protein shakes have fat and carbs too so you won't enter ketosis but you also likely won't experience jack rabbit fever, which is what the writer above means.
3. If you plan to use a zero carb protein powder such as isopure zero then be aware that a diet that is pure protein will result in too much Nitrogen building up in your body and overload your body's ability to clear it which can cause permanent damage and even death.
Heaviest weight:450 lbs
Starting weight: 315 lbs
Current day on new fasting lifestyle: 200
Total Days Fasted: 185
Current fast: 223 hours (9 days 7 hours)
Blood Glucose: (normal 70-100 mg/dl)
Fasting 0 days: 118
Fasting 1 day: 94
Fasting 2 days: 66
Fasting 3 days: 81
Fasting 4 days: 76
Fasting 5 days: 76
Fasting 6 days: 69
Fasting 7 days: 76
Fasting 8 days: 67
Fasting 9 days: 71
Fasting 10 days: 67
Fasting 11 days: 89
Fasting 12 days: 71
Fasting 14 days: 72
Fasting 16 days: 105
Fasting 18 days: 114
Fasting 21 days: 110
Fasting 24 days: 101
Fasting 27 days: 60
Fasting 29 days: 107
Urine ketone (normal under 1 mg/dl)
Fasting 3.5 days: 2.5
Fasting 4 days: 15
Fasting 5 days: 28
Fasting 6 days: 60
Fasting 7 days: 70
Fasting 8 days: 80
Fasting 9 days: 80
Fasting 10days: 80
Fasting 11days: 120
Fasting 12days: 120
Fasting 13days: 120
Fasting 14days: 160
Fasting 15days: 160
Fasting 16 days:160
Fasting 17 days:160
Fasting18 days: 160
Fasting19 days: 160
Fasting20 days: 160
Fasting21 days: 160
Fasting22 days: 160
Fasting23 days: 160
Fasting24 days: 160
Fasting25 days: 160
Fasting26 days: 160
Fasting27 days: 160
Fasting28 days: 160
Fasting29 days: 160
Resting heart rate: (normal 60-100 bpm)
Fasting 0 days: 87
Fasting 1 day: 89
Fasting 2 days: 87
Fasting 3 days: 84
Fasting 4 days: 82
Fasting 5 days: 81
Fasting 6 days: 82
Fasting 7 days: 80
Fasting 8 days: 79
Fasting 9 days: 78
Fasting 10 days: 78
Fasting 11 days: 80
Fasting 12 days: 80
Fasting 13 days: 79
Fasting 14 days: 77
Fasting 15 days: 75
Fasting16 days: 76
Fasting17 days: 77
Fasting18 days: 78
Fasting19 days: 77
Fasting 20 days: 74
Fasting 21 days: 73
Fasting 22 days: 75
Fasting 23 days: 75
Fasting 24 days: 75
Fasting 25 days: 75
Fasting 26 days: 76
Fasting 27 days: 76
Fasting 28 days: 77
Fasting 29 days: 76
Fasting 30 days: 73
Fasting 31 days: 74
Fasting 33 days: 75
Fasting 34 days: 74
Fasting 35 days: 74
Fasting 36 days: 76
Fasting 37 days: 79
Fasting 38 days: 77
Fasting 39 days: 77
Fasting 40 days: 75
Fasting 44 days: 74
Fasting 45 days: 75
Fasting 48 days: 72
Fasting 50 days: 71
Fasting 51 days: 71
Fasting 53 days: 72
Fasting 55 days: 73
Fasting 57 days: 74
Fasting 62 days: 73
Fasting 66 days: 71
Fasting 67 days: 74
Fasting 70 days: 76
Fasting 71 days: 80
Fasting 79 days: 71
Fasting 82 days: 69
Fasting 83 days: 68
Fasting 84 days: 68
Fasting 85 days: 69
Fasting 87 days: 68
Fasting 89 days: 67
Fasting 90 days: 67
Fasting 91 days: 68
Fasting 93 days: 68
Fasting 96 days: 66
Mega Fast 1
Weight Loss: (started fast at 258.6 lbs)
Weight loss after 96 days: 78.8 lbs
% body fat
Fasting 0 days: 29.7% (76.8 lbs of fat)
Fasting 96 days: 15.8% (28.4 lbs of body fat)
Mega Fast 2: (starting weight: 202.8 lbs)
Weight lost after 9 days: 19.0 lbs
% body fat
Day 0: 18.6% (37.7 lbs of body fat)
Fasting 6 days: 16.2% (29.8 lbs of body fat)
Longest fast thus far: 2,305 hrs (96 days 1 hr)
Average fast length: 313 hrs (13.2 days)
Current weight: 183.8 lbs
Starting % body fat: 41.6%
Current % body fat: 16.2 %
TOTAL WEIGHT LOSS: 131.2 LBS
ULTIMATE GOAL: 9% Body Fat
#7
Guest_Kalan_*
Posted 05 February 2016 - 04:03 AM
Tablone, on 05 Feb 2016 - 03:04 AM, said:
Well a few points.
1. This isn't fasting, it's a mono-food restriction diet.
I know there is disagreement over what consists a fast, that's why I used the inverted commas. Lots of people here call not having solid food a fast. They do liquid fasts, like for instance, juice fasts.
Quote
2. Most protein shakes have fat and carbs too so you won't enter ketosis but you also likely won't experience jack rabbit fever, which is what the writer above means.
From Wikipedia: "Longer-term ketosis may result from fasting or staying on a low-carbohydrate diet."
Since the calorie deficit is huge and the glycogen reserves will be depleted, if the body is not in ketosis, what will it do instead for energy? Consume muscle and leave the fat?
Quote
3. If you plan to use a zero carb protein powder such as isopure zero then be aware that a diet that is pure protein will result in too much Nitrogen building up in your body and overload your body's ability to clear it which can cause permanent damage and even death.
Is this any amount of protein that is consumed on its own? I do not plan on consuming a lot.
#8 
Posted 05 February 2016 - 05:53 AM
As for eating a little protein, the ratio of protein to fat and vans is what matters. If you eat 100% calories from protein and just 500 calories per day you'll still wind up with Nitrogen overload.
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Heaviest weight:450 lbs
Starting weight: 315 lbs
Current day on new fasting lifestyle: 200
Total Days Fasted: 185
Current fast: 223 hours (9 days 7 hours)
Blood Glucose: (normal 70-100 mg/dl)
Fasting 0 days: 118
Fasting 1 day: 94
Fasting 2 days: 66
Fasting 3 days: 81
Fasting 4 days: 76
Fasting 5 days: 76
Fasting 6 days: 69
Fasting 7 days: 76
Fasting 8 days: 67
Fasting 9 days: 71
Fasting 10 days: 67
Fasting 11 days: 89
Fasting 12 days: 71
Fasting 14 days: 72
Fasting 16 days: 105
Fasting 18 days: 114
Fasting 21 days: 110
Fasting 24 days: 101
Fasting 27 days: 60
Fasting 29 days: 107
Urine ketone (normal under 1 mg/dl)
Fasting 3.5 days: 2.5
Fasting 4 days: 15
Fasting 5 days: 28
Fasting 6 days: 60
Fasting 7 days: 70
Fasting 8 days: 80
Fasting 9 days: 80
Fasting 10days: 80
Fasting 11days: 120
Fasting 12days: 120
Fasting 13days: 120
Fasting 14days: 160
Fasting 15days: 160
Fasting 16 days:160
Fasting 17 days:160
Fasting18 days: 160
Fasting19 days: 160
Fasting20 days: 160
Fasting21 days: 160
Fasting22 days: 160
Fasting23 days: 160
Fasting24 days: 160
Fasting25 days: 160
Fasting26 days: 160
Fasting27 days: 160
Fasting28 days: 160
Fasting29 days: 160
Resting heart rate: (normal 60-100 bpm)
Fasting 0 days: 87
Fasting 1 day: 89
Fasting 2 days: 87
Fasting 3 days: 84
Fasting 4 days: 82
Fasting 5 days: 81
Fasting 6 days: 82
Fasting 7 days: 80
Fasting 8 days: 79
Fasting 9 days: 78
Fasting 10 days: 78
Fasting 11 days: 80
Fasting 12 days: 80
Fasting 13 days: 79
Fasting 14 days: 77
Fasting 15 days: 75
Fasting16 days: 76
Fasting17 days: 77
Fasting18 days: 78
Fasting19 days: 77
Fasting 20 days: 74
Fasting 21 days: 73
Fasting 22 days: 75
Fasting 23 days: 75
Fasting 24 days: 75
Fasting 25 days: 75
Fasting 26 days: 76
Fasting 27 days: 76
Fasting 28 days: 77
Fasting 29 days: 76
Fasting 30 days: 73
Fasting 31 days: 74
Fasting 33 days: 75
Fasting 34 days: 74
Fasting 35 days: 74
Fasting 36 days: 76
Fasting 37 days: 79
Fasting 38 days: 77
Fasting 39 days: 77
Fasting 40 days: 75
Fasting 44 days: 74
Fasting 45 days: 75
Fasting 48 days: 72
Fasting 50 days: 71
Fasting 51 days: 71
Fasting 53 days: 72
Fasting 55 days: 73
Fasting 57 days: 74
Fasting 62 days: 73
Fasting 66 days: 71
Fasting 67 days: 74
Fasting 70 days: 76
Fasting 71 days: 80
Fasting 79 days: 71
Fasting 82 days: 69
Fasting 83 days: 68
Fasting 84 days: 68
Fasting 85 days: 69
Fasting 87 days: 68
Fasting 89 days: 67
Fasting 90 days: 67
Fasting 91 days: 68
Fasting 93 days: 68
Fasting 96 days: 66
Mega Fast 1
Weight Loss: (started fast at 258.6 lbs)
Weight loss after 96 days: 78.8 lbs
% body fat
Fasting 0 days: 29.7% (76.8 lbs of fat)
Fasting 96 days: 15.8% (28.4 lbs of body fat)
Mega Fast 2: (starting weight: 202.8 lbs)
Weight lost after 9 days: 19.0 lbs
% body fat
Day 0: 18.6% (37.7 lbs of body fat)
Fasting 6 days: 16.2% (29.8 lbs of body fat)
Longest fast thus far: 2,305 hrs (96 days 1 hr)
Average fast length: 313 hrs (13.2 days)
Current weight: 183.8 lbs
Starting % body fat: 41.6%
Current % body fat: 16.2 %
TOTAL WEIGHT LOSS: 131.2 LBS
ULTIMATE GOAL: 9% Body Fat
#9 
Posted 18 September 2018 - 12:15 PM
Sherlock Bones, on 03 Feb 2016 - 11:35 AM, said:
Second the above.. Plus, unless you have an extremely yummy protein powder (do those even exist!?), you will get sick of the taste really, really quickly. I did a 3 day protein shake fast with powder and premixed shakes, and by the end of it.. Only the premade. I lost about 5 pounds in those 3 days.
i know this is old but vega one protein powders are sooo goood
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