5lbs. Lost in 3 Days... Is this normal?

Commented on December 31, 2014
Created December 31, 2014 at 11:42 AM

Good Morning. I have been on the Paleo diet for 2 weeks. The first several days I didn't see a lot of change in weight or the way my clothes fit. However, the past 3 days I've dropped 5 pounds and my clothes are fitting much looser. Additionally, I can see some improvements in my cheek bone. The only change I have made is that I switched exclusively to grass-fed meats from Whole Foods Market and I'm walking 45-60 minutes per day over the past three days. I'm excited about the progress, but was wondering why all of a sudden am I getting a quicker response. Also, my BM's are much improved and very different. 



on December 31, 2014
at 06:30 PM

How low-carb are you going? Chances are the majority of that weight loss is water+glycogen, unless you did 17,500 calories worth of activity in those three days.

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2 Answers


on December 31, 2014
at 02:50 PM

This is pretty much how it went with me. I lost a total of about 28 pounds switching to Paleo, and it came off in fits and starts. Like nothing for a week or two then suddenly I'd lose 3 pounds in a few days. I kind of wonder about the science behind that, like how that is physically possible. I am guessing that the body converts the fat to glucose and water ands then burns it up.

For me the fat came off in all the right places too, from my waist, belly, butt, and face. And like you my BM's were much different and better. I also had a LOT more energy while burning fat, and barely had to eat any food. Sadly this only lasted a few months but it was great.

Long walks are a great way to encourage fat burn. The two kinds of exercise that burn fat are brief, high intensity exercise like Crossfit or lifting heavy weights, and slow, low intensity exercise like long walks. If you want to boost your fat burn try to work some high intensity exercise in.

good luck!



on December 31, 2014
at 03:28 PM

+1, but... we can burn fat directly, this is called beta-oxidation and it happens in the mitochondria of fat burning adapted people.  We can and do convert the glycerol backbone of fat chains, such as from triglycerides, into glucose, but this is a minimal process. 


We tend to convert more protein into glucose via gluconeogenesis, and this process is triggered by cortisol.


In terms of losing 3-5lbs in one day, the answer is simple.  We hold on to water for a long period, even when fat cells are depleted, then overnight we let them go (removing inflammation also greatly helps as one of the actions of inflammation is to hold on to excess water since we might be in a drought).  There was a great article about this here, but it seems to be gone now: http://www.bodyrecomposition.com/fat-loss/of-whooshes-and-squishy-fat.html

But luckily archive.org still has it, so read it quickly, and save it, while you still can: https://web.archive.org/web/20131210043443/http://www.bodyrecomposition.com/fat-loss/of-whooshes-and-squishy-fat.html



on December 31, 2014
at 03:21 PM

Yeah, CAFO meats are given antibiotics and hormones (at least beef is), and this causes inflammation and damage to gut flora.  Also, grassfed beef is higher in CLA and this can help burn off some fat.


But likely the biggest effect came from the walking.


It's likely you had lost that fat a log time ago, but your body filled the structure with water, until after a while it decided you weren't in any danger, and let it all go.


see: https://web.archive.org/web/20131210043443/http://www.bodyrecomposition.com/fat-loss/of-whooshes-and-squishy-fat.html

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