N.B. fasting in general works best if you are eating a high fat diet, instead of eating a lot a carbohydrates. You might also need more salt in your diet, including during your fasting ;-)
Carbohydrates leads to raised insulin levels, which inhibits the consumption of fat from your fat store. Our body is pretty smart, so when insulin goes down, it begins to consume your fat for energy, a metabolic state called ketosis.
But until that insulin goes down, what you're experiencing is the dreaded keto flu. So you can experience fatigue, dizziness, even head aches ... which if serious are not normal and you should stop your fast ;-)
Anyway, for successful fasting what I found is this:
1. eat high fat, low carbs meals; if you can't go full keto, at least do that just before starting your fast
2. you might get an electrolytes imbalance, which is THE reason for dizziness and headaches: the solution is to take salt supplements — e.g. right now I'm in my second day of water fasting, when I woke up I felt a little dizzy, but took 4 grams of salt (about one teaspoon) and now I feel great; there are also "salt tablets" on the market btw, which are easier to swallow
NOTE: there's science behind the keto diet, studies and high profile medics backing it up, but there's also a lot of denial about it. One good book describing what the deal is with insulin resistance, why it makes us fat and why the keto diet is healthy would be the "The Obesity Code: Unlocking the Secrets of Weight Loss" by Dr. Jason Fung.
Here's the podcast dedicated to it, talking of keto and fasting; it's a great podcast: http://obesitycodepodcast.com
Carbohydrates leads to raised insulin levels, which inhibits the consumption of fat from your fat store. Our body is pretty smart, so when insulin goes down, it begins to consume your fat for energy, a metabolic state called ketosis.
But until that insulin goes down, what you're experiencing is the dreaded keto flu. So you can experience fatigue, dizziness, even head aches ... which if serious are not normal and you should stop your fast ;-)
Anyway, for successful fasting what I found is this:
1. eat high fat, low carbs meals; if you can't go full keto, at least do that just before starting your fast
2. you might get an electrolytes imbalance, which is THE reason for dizziness and headaches: the solution is to take salt supplements — e.g. right now I'm in my second day of water fasting, when I woke up I felt a little dizzy, but took 4 grams of salt (about one teaspoon) and now I feel great; there are also "salt tablets" on the market btw, which are easier to swallow
NOTE: there's science behind the keto diet, studies and high profile medics backing it up, but there's also a lot of denial about it. One good book describing what the deal is with insulin resistance, why it makes us fat and why the keto diet is healthy would be the "The Obesity Code: Unlocking the Secrets of Weight Loss" by Dr. Jason Fung.
Here's the podcast dedicated to it, talking of keto and fasting; it's a great podcast: http://obesitycodepodcast.com