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I still don’t get why there are caloric deficits

I’m a tad confused, all. My understanding is as follows (I’m doing OMAD):

What am I missing here? Why are some folks doing IF and a caloric deficit?

Cheers, thanks in advance.

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Answer

I think you’re missing something here but I could have this wrong.

If you reduce your BMR over time, as a rule this is happening by losing weight/ fat and your BMR adjusting accordingly

I’ve done IF sporadically over the last few years and when I stick to it for a couple of months I’ll comfortably lose around 10lb a month if I’m also eating at a deficit

Answer

Reducing calories does produce weight loss. It sure why you think it doesn’t. IF is an effective way of reducing calories for many and healing insulin issues but if you eat your tdee even if once a day or every other day twice your tdee you won’t lose weight in any significant way. Metabolic adaptation is real but generally not an immediate or huge effect (eg if your tdee is 2500 kcal and you eat 2000 you will lose weight and your metabolism will Mostly likely adapt to your new lower weight over time but not suddenly slow down to match your consumption..takes a long period of time eating under bmr to really impact metabolism. This is also another reason why slow n steady may be better than extreme dieting. One potentially good thing about IF is it may help prevent this kind of adaptation by cycling lower and higher consumption periods.. So IF combined with caloric reduction likely produces weight loss better than either one alone …but if you still eat more than you burn it’s not a magic bullet.

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