I tried to do something resembling fasting yesterday. I hadn't planned on fasting so I had a 140 cal drink in the morning, but later in the day, remembering how much I feel better while fasting I decided not to eat that day. I had some bone broth with shiratake noodles, seeweed, and some fish cakes in the evening totalling around 100 calories. Also some coffee with a zero calorie flavoring. I drank some gatorade too. When it was time for bed, I took my evening medications and supplements, including spirulina and magnesium. I figured potassium isn't an issue since I'm on spironolactone, which increases potassium levels by reducing the amount you expel.
In the end though I ended up having a headache, and feeling a strong pain in my stomach and behind my lower back on the left side, I think that's where one of my kidneys is? I thought that I must be low on salt because that's usually what it is so I drank some saltwater, but the pain didn't go away so that must not have been it. I'm no idiot so I just broke my fast and ate a bunch of different stuff, aiming for variety since I didn't know what I was missing. It seemed to help, it at least helped enough that I could get to sleep.
Answer
>I hadn’t planned on fasting so I had a 140 cal drink in the morning, but later in the day, remembering how much I feel better while fasting I decided not to eat that day. I had some bone broth with shiratake noodles, seeweed, and some fish cakes in the evening totalling around 100 calories…..I drank some gatorade too.
You didn’t fast…you ate.
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How do you know your symptoms were a result of the low amount of calories you ate? This may have happened regardless of how much you ate. When we are making a change, we are often focused on every little thing we feel and ascribe it to what we changed; that’s pretty typical, even if it was completely unrelated.
It wasn’t likely electrolyte issue… as you haven’t been “fasting” long enough to deplete anything. You also had gatorade (sugar water with electrolytes), and soup which likely had a good amount of salt in it.
What did you do wrong? I think the biggest thing you did wrong was eating a bunch of stuff trying to get the feeling to go away. It would have very likely resolved on its own without all the calories you threw at it.