It depends on the gi of the carb you ingest and also on the amount of it.And high sugar=high carbs..
yes many foods will spike insulin
Consider white bread, it is a starchy food, but is converted to glucose upon ingestion by mixing with saliva. saliva contains enzymes which immediately break complex starches into simple sugars (ie glucose). ALL carbs must be converted to simple sugars before the are absorbed into the blood stream
It is the relative rates of this which give rise to spikes in blood sugar levels (and thus the corresponding insulin response) to a certain extent.
However, GI is not the most informative index when it comes to simple sugars. Fructose and lactose cause sharp spikes in blood sugar levels. being simple sugars they are readily absorbed. However, they are processed in the liver and stay there (as liver glycogen) and never really generate comparable insulin responses as from glucose or glucose-based starches. The problem is that the liver not only converts these to liver glycogen, but also readily converts them directly to fat for storage WITHOUT any insulin spike
well said doc.
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I agree that fructose stays in the liver as liver glycogen and can be easyly converted to fat but lactose can be converted to glucose and be stored in the muscles.
Lactose is made of one glucose and one galactose molecule bonded together. Galactose, like fructose, has the same chemical components as glucose but the atoms are arranged differently. The liver also converts galactose to glucose.
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lactose, being processed in the liver, will predominantly stay in the liver after being turned to glucose as yates mentioned
I'll just stick to injecting insulin for insulin spikes