Ketosis gives you energy
During ketosis the body switches from primarily using
glucose for energy to primarily using stored body fat and dietary
fat sources for energy. We’ve evolved to store fat efficiently for
times of need and ketosis is the process by which we can live off
that fat for survival.
While you’re on LighterLife you’ll consume fewer kilocalories
than you require, so you’ll have to use energy from your reserves.
First you’ll use up glycogen stored in your liver. Once this is
depleted, after one to three days, you’ll start to use body
fat.
When this fat is broken down, the resulting fatty acids are used by
your liver to produce ketones. These are a water-soluble form of
energy that can be used by most tissues as fuel. Ketones can also
pass across the blood-brain barrier to be used by your brain as its
primary source of energy when glucose levels are low. Any excess
ketones will be excreted in your blood, breath and urine.
Most people, no matter what type of diet they’re eating, will enter
a state of ketosis at some point within a 24-hour period e.g. when
asleep.
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Dr David Haslam says:
Ketosis seems to date back to our hunter gatherer
predecessors. When food wasn’t available, there was no point
being hungry and so ketosis is actually a method to switch off
hunger.
