topicGreen Tea Extract Weight Loss Meta-Analysis
claimDysregulated adipogenesis in obesity involves excessive preadipocyte recruitment and differentiation, leading to increased adipocyte number (hyperplasia) and hypertrophy.
evidence level3
citationMarie Ohoud M. (2026)
sourceObesity and Natural Products: Mechanisms, Therapeutic Potential, and Future Directions
topicGreen Tea Extract Weight Loss Meta-Analysis
claimIn obesity, lipolytic capacity is suppressed through multiple mechanisms including impaired sympathetic nervous system signaling and reduced expression of lipolytic enzymes (Thorp and Schlaich ).
evidence level3
citationMarie Ohoud M. (2026)
sourceObesity and Natural Products: Mechanisms, Therapeutic Potential, and Future Directions
topicGreen Tea Extract Weight Loss Meta-Analysis
claimAt the molecular level, obesity‐associated chronic inflammation and elevated circulating free fatty acids impair leptin signaling through the hypothalamic leptin receptor (Jais and Brüning ).
evidence level3
citationMarie Ohoud M. (2026)
sourceObesity and Natural Products: Mechanisms, Therapeutic Potential, and Future Directions
topicGreen Tea Extract Weight Loss Meta-Analysis
claim2025 2025 2025 2025 2023 Obesity represents one of the most pressing public health challenges of the 21st century, characterized by excessive accumulation of adipose tissue that impairs health and quality of life (Ahmed and Mohammed ; Lewandowska et al. ).
evidence level3
citationMarie Ohoud M. (2026)
sourceObesity and Natural Products: Mechanisms, Therapeutic Potential, and Future Directions
topicGreen Tea Extract Weight Loss Meta-Analysis
claim1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Gelidium Garcinia cambogia The World Health Organization defines overweight and obesity as abnormal or excessive fat accumulation that presents health risk to health [].
evidence level4
citationLee Hyeonseok (2026)
sourceConsumer Perceptions Influence Supplement Choice: A Narrative Review of Clinically Studied Weight-Management Supplements in Obesity
topicGreen Tea Extract Weight Loss Meta-Analysis
claimThe prevalence of obesity in South Korea has steadily increased over the past decade, reaching approximately 38% in 2022, although the prevalence of severe obesity (body mass index [BMI] ≥ 40 kg/m) increased by 2.6-fold when compared with that in 2013 [].
evidence level4
citationLee Hyeonseok (2026)
sourceConsumer Perceptions Influence Supplement Choice: A Narrative Review of Clinically Studied Weight-Management Supplements in Obesity
topicGreen Tea Extract Weight Loss Meta-Analysis
claimThis condition induces insulin resistance and hyperinsulinemia, leading to metabolic disorders and markedly increasing the risk of various chronic diseases including type 2 diabetes, cardiovascular disease, multiple types of cancer, and depression.
evidence level4
citationLee Hyeonseok (2026)
sourceConsumer Perceptions Influence Supplement Choice: A Narrative Review of Clinically Studied Weight-Management Supplements in Obesity
topicGreen Tea Extract Weight Loss Meta-Analysis
claimObesity has become a global epidemic, and its severity is progressively increasing [].
evidence level4
citationLee Hyeonseok (2026)
sourceConsumer Perceptions Influence Supplement Choice: A Narrative Review of Clinically Studied Weight-Management Supplements in Obesity