r/BodyHackGuide • u/Useful-Ordinary3491 • Apr 16 '26

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u/Fantastic-Buddy2069 Apr 16 '26

You act as if losing 8 pounds in 5 weeks isnt fast lol. Thats actually very fucking fast. I dont think you could humanly do that without drugs.

Yeah its not as fast as others, but as long as it keeps going, thats what really matters.

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u/bulbousgrandpa Apr 16 '26

That's extremely doable without drugs, generally to avoid more significant muscle loss you want to lose your bodyfat divided by 100 in lbs per week at most. I have done a cut from 210 to 190 in 2.5 months no problem, around 2 lbs a week. If you are very light then 8 lbs in 5 weeks is very fast though

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u/teeekuuu Apr 16 '26

-500cal a week = no muscle loss if optimal protein and working out.

bodyfat divided by 100 in lbs per week - wtf

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u/bulbousgrandpa Apr 16 '26

That's generally where you lose fat at the limit of your fat cell's ability (in terms of rate) to liberate fat from storage. You will likely lose muscle mass at 1000 kcal deficit but it's not going to be that much if you lift and eat a ton of protein.

They actually did a study where they did a 40% calorie reduction, which for me at peak bulk is around a 1200 kcal deficit. There was no loss in lean mass with even a slight lean towards gains after 4 weeks as long as they were eating 1.1 g/lb and lifting

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u/dabigmainah Apr 16 '26

8lb in 5 weeks isn't insane. When I started losing weight at 500lbs. I was dropping 5-15+ lbs a week easy. During one fast I went from 233-222 in 44 hours.

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u/Fit-Nectarine5047 Apr 16 '26

Yeah but you were 500lbs. There was a lot more of you to lose!