I heard from you the first time about the snake diet. I’m generally into fasting. I had tremendous performance boosts while on Nun Amen Ra’s amen diet, a vegan caloric restricted diet to 1500 calories, supplemented, with a 1 hour feeding window, 4-5 hour trainings daily, hard and highly aerobic bodyweight trainings till exhaustion with additional handstand drills towards one arm handstand, scorpion push ups, drop the hammer, that kind of stuff, were the norm and I still could go on, only stopping myself from training more because of questioning myself if this is still healthy :)

And believe me i’m not talking about yin-stile yoga you probably believe I’m doing (which I do too on regenenerative days or additionaly). I trained muay thai myself, was national champion in bjj, I know how to sweat and ashtanga yoga is as aerobic as it gets, probability on par with those trainings, maybe peak exhaustion is not as high but in those 90 minutes there is not much of a rest and it slowly but surely wears you down.

On my 7.5 distilled water fast I was training too, street workout and running, my experience was the same as yours, performance suffered, but it gets better after the first 3 days. After the fast I a had a nice surge of energy and my running improved a lot.

There is a nice story in paul bragg’s book the miracle of fasting where he goes on a 30 mile hike with 9 college athletes in Death Valley, being on a fast and just drinking pure and not chilled water, while they had their salt tablets, food and all that chilled electrolyte stuff you are talking about. First 3 of them threw up, became pale and dizzy and quit. Then 5 became stomach cramps and puked and were driven home. Finally the last one collapsed under the burning sun and had to be rushed for medical care. He camped over night and hiked back the 30 miles the next day, again only pure water, felt great and doctors found him in perfect condition. He is debunking the myth that the body needs additional electrolytes in times of excessive sweating.