What is the effect of a low carbohydrate diet on HDL cholesterol levels?

A low carbohydrate diet has been associated with increased levels of HDL cholesterol, which is often referred to as "good" cholesterol. This is significant because HDL cholesterol plays a crucial role in cardiovascular health by helping to remove excess cholesterol from the bloodstream and transport it to the liver for excretion or reuse.

The mechanism behind the increase in HDL levels with low carbohydrate diets may involve several factors. Lower carbohydrate intake typically leads to higher fat consumption, particularly healthy fats, which can enhance lipid profiles, including raising HDL cholesterol. Furthermore, such diets often result in weight loss and improvements in metabolic markers, both of which are linked to increased HDL levels.

Additionally, the state of ketosis, which some individuals may reach on a low carbohydrate diet, has also been reported to positively influence lipid profiles, contributing further to higher HDL levels.

In summary, a low carbohydrate diet tends to promote an increase in HDL cholesterol, benefiting cardiovascular health and supporting metabolic regulation.