What is Berberine?
Berberine is a plant alkaloid particularly active in reducing cholesterolemia. This substance - with a bitter taste and an intense yellow color - is present in the bark, roots and stems, including underground ones (rhizome), of plants belonging to the Berberis genus, such as barberry (Berberis vulgaris L.).
Berberine is also typical of hydraste (Hydrastis canadensis) and Huang lian (Coptis chinensis).
Properties of Berberine
Due to its antimicrobial and antisecretive properties, the traditional use of berberine is aimed at the treatment of various kinds of infections, such as bacterial diarrhea and recurrent infections from Candida albicans.
For some years, however, the spotlight has focused above all on the cholesterol-lowering and hypoglycemic properties of berberine.
In this sense, this substance rose to the headlines in 2004, with the study published in Nature Medicine by Kong, Wei J, Abidi et al. (Berberine is a novel cholesterol-lowering drug working through a unique mechanism distinct from statins). During this research, berberine - taken orally by 32 hypercholesterolemic patients for three months - reduced plasma cholesterol by 29%, triglycerides by 35% and LDL cholesterol by 25%.
Particularly encouraging data, therefore, which in a short time led to the portrayal of berberine as a possible natural alternative to statins.
MAIN PROPERTIES OF BERBERINA
- Antiarrhythmics
- Antibiotics
- Hypocholesterolemics
- Hypoglycaemics
Action Mechanism
However, the mechanism by which this substance reduces plasma cholesterol levels differs from that exercised by statins. While these drugs decrease the synthesis of endogenous cholesterol, berberine increases the activity and number of liver LDL receptors, facilitating the removal of "bad cholesterol" from the blood.
However, the association of berberine with statins can produce an interesting synergistic effect, also due to its ability to inhibit a protein (PCSK9) responsible for the partial degradation of LDL receptors in the liver (which statins tend to promote).
In more recent times, new studies have highlighted the hypoglycemic efficacy of berberine in patients with type 2 diabetes mellitus. Also in this sense, the substance seems to act mainly at the receptor level, increasing the expression of insulin receptors. , with increased sensitivity to this hormone and reduced insulin resistance.
Side effects
The multiplicity of beneficial actions, the ability to operate at multiple levels and the absence of significant side effects, contribute to making berberine one of the most interesting supplements of the moment, on which the research of numerous scholars is focused. the first products based on berberine have already appeared, where it is often associated with other substances with similar activity, such as fermented red rice, policosanols and silymarin.
At commonly used dosages, berberine is well tolerated; at high doses, it can cause gastrointestinal disturbances, shortness of breath, low blood pressure, flu-like symptoms and heart changes.
As a precaution, it is not recommended for use in pregnancy and children.
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