Green cholexterol extract is a concentrated supplemental form of green tea. EGCG and cholesterol levels in the same Issue Regular Articles. Maron, MD, Vanderbilt Page-Campbell Heart Institute, Vanderbilt University Medical Center, Pierce Ave, Nashville, TN e-mail: david. Nutrition Journal cholrsterol 19 cholestero, Article number: 48 Cite this article. Metrics details. EGCG and cholesterol levels lrvels evidence Gut health and immunity that green tea intake is protective against Cholestwrol however, randomized controlled studies have presented varying results. In the present study, we aimed to conduct a literature review and meta-analysis to assess the effect of green tea on blood lipids. PubMed, Embase, and the Cochrane Library were electronically explored from inception to September for all relevant studies.