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21 days!! Man, that takes legit mental composure. Did you supplement anything for electrolytes/vitamins/minerals or how does one go so long?
No supplementing other than drinking sodium/potassium salt water a few days.
thanks for the insight!
I wouldn't call it insight :)
There are lots of people more knowledgeable about this kind of thing. I tend to wing stuff but there are lots of fasting nerds out there who have meaningful things to say.
::channeling the fasting nerds to come contribute to this thread::
cc @jimmysong
I recall you talking about fasting on your podcast once, would love to hear your take
Yea, it's a complete reset of a lot of things, especially your hormone system, particularly insulin, which helps with your metabolism.
The main tips I have are to wear a lot of clothes to bed because you'll get cold from losing your fat. I usually start needing more hot showers around day 4. Also, don't let yourself watch food videos. I found myself watching them one after another after day 7. Finally, try to work out during the fast, especially with weights. There's a lot of evidence that it triggers significant testosterone production.
Also, you'll have to generally move a little slower, especially from sitting and lying positions. Lightheadedness is normal, just take your time.
The food videos are so true. I never tried stopping myself though. I found it a nice way to passively learn about cooking.
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It definitely does imo. I had no issues doing 21 days consecutively many years ago after doing many 5-day and 10-days over the year prior.
IIRC the first 48 hours are the hardest. I recall it feeling like there were metabolic phases I'd transition through every 3-5 days or so where it wouldn't really become harder or easier but different somehow (maybe different tissues getting catabolized).