Anything that enters the human body while you are fasting breaks your fast.
fasting is considered to purify the body
fasting is considered to purify the body
Ketones
When you don't fast, you give your body the nutrition it needs to complete body functions. Some religions have beliefs regarding fasting as well.
Ketones
While the body is in a fasting mood, the body will move to a ketosis state and start burning fats as a source of energy to the body.
When you are fasting you can not eat anything or drink.
----
From stored fats
Yes, of course. urinating doesn't break fasting.
Fasting, even for short periods of time, causes a state of ketosis. This is where the body uses ketones for fuel rather than glucose. In this state proteins are not being created. Fasting long term is not recommended because it can cause muscle loss.