Evidence supporting the use of: Catechins (unspecified)
For the health condition: Cholesterol (high)

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Synopsis

Source of validity: Scientific
Rating (out of 5): 3

Catechins, a type of flavonoid found predominantly in green tea, have been studied for their potential effects on cholesterol levels. The primary catechin in green tea is epigallocatechin gallate (EGCG), though other catechins are also present. Multiple randomized controlled trials and meta-analyses have investigated whether catechin-rich green tea extracts can reduce total and LDL ("bad") cholesterol. Results suggest modest, but consistent, reductions in LDL cholesterol and total cholesterol, with the effect generally more pronounced in people with higher baseline cholesterol levels or those consuming higher doses of catechins. The effect on HDL ("good") cholesterol and triglycerides is less clear, with most studies showing little to no impact.

The proposed mechanisms include inhibition of intestinal cholesterol absorption and increased hepatic LDL receptor activity. Authoritative reviews, such as a 2020 meta-analysis in Phytomedicine, support a statistically significant, though clinically modest, cholesterol-lowering effect of green tea catechins. However, the evidence is not as robust as that for statin medications, and variability in study quality, dosage, and catechin composition exists. Still, the consistency of findings across several studies provides moderate scientific validation for the use of catechins to support healthy cholesterol levels.

In summary, catechins are justified for cholesterol support based on scientific evidence, but the overall effect size is moderate, and they should not be considered a substitute for prescribed lipid-lowering therapies in individuals with high cardiovascular risk.

More about Catechins (unspecified)
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Products containing Catechins (unspecified)

We currently have no products on Vitabase that contain this ingredient.