Is Fasting Beneficial for Weight Loss?


What the results for fasting for weight and fat loss show: Fasting for a week or two is like the keto diet—it can actually slow body fat loss rather that accelerating it.

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This is the follow-up to Benefits of Fasting for Weight Loss Put to the Test ( It seems fasting only works long-term if it can act as a jumpstart to a healthier diet, and just doing it for a week or two can be counterproductive like the keto diet. And is it even safe to fast longer than that? Coming up next: Is Fasting for Weight Loss Safe? (

Here’s the keto story:
Keto Diet Theory Put to the Test (
Keto Diet Results for Weight Loss (
• Is Weight Loss on Ketosis Sustainable? (
• Are Keto Diets Safe? (
Keto Diets: Muscle Growth and Bone Density (

I just gave the 3rd live webinar on fasting: Fasting and Cancer. Those videos will be up for free in the next year or so, but if you want to see them sooner, all three of my fasting webinars are now available for download here (

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Thanks for watching. I hope you’ll join in the evidence-based nutrition revolution!
-Michael Greger, MD FACLM

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