This response from Bee to a question posted on her yahoo chat group clarifies our experience upon transitioning to a high fat / low carbohydrate diet eight months ago. (The first few months were a bit of a bumpy ride to say the least.) It also provides insight into weight loss issues:
There is a period of time you will experience more hunger when your body is still "trying to" switch over from running on carbs/sugars to running on good fats. Once the switch is made, you won't have such hunger pangs, nor the extra weight.
Both the anticipation of carbohydrates and the actual eating of them cause our bodies to secrete the hormone insulin which deposits both fatty acids and glucose in fat tissue and it keeps those calories trapped in fat tissue once they get there.
As long as we respond to carbohydrates by secreting more insulin, we continue to move nutrients from our bloodstream in expectation of the arrival of more, so we remain hungry or at least not fulfilled.
During this transition the body is expecting to deal with glucose but there is none coming in the diet, and so there is still too much insulin in the circulation. The liver will not give up its glycogen (storage form of glucose) due to high insulin in circulation, which would help to stabilize blood sugar if it were released, and our blood sugar drops. Even if we eat fat and protein, the insulin will serve to store those nutrients rather than allow them to be used for fuel.
In other words insulin induces hunger and prevents satiety, even though fats easily satiate the appetite once your body switches over, but that takes time.
Once your body changes over, and doesn't secrete insulin as an automatic response so you won't feel so hungry, and your weight will decrease.
--Bee Wilder www.healingnaturallybybee.com
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