1. Astrup, A., Toubro, S., Cannon, S., Hein, P., Breum, L. & Madsen, J. (1990): ‘Caffeine: a double-blind, placebo-controlled study of its thermogenic, metabolic, and cardiovascular effects in healthy volunteers’. American Journal of Clinical Nutrition, 1990 May;51(5):759-67. PMID: 2333832
2. Kobayashi-Hattori, K., Mogi, A., Matsumoto, Y. & Takita, T. (2005): ‘Effect of caffeine on the body fat and lipid metabolism of rats fed on a high-fat diet’. Bioscience, biotechnology, and Biochemistry, 2005 Nov;69(11):2219-23. PMID 16306706
3. Dulloo, A., Geissler, A.C., Horton, T., Collins, A. & Miller, D.S. (1989): ‘Normal caffeine consumption: influence on thermogenesis and daily energy expenditure in lean and postobese human volunteers’. American Journal of Clinical Nutrition, 1989 Jan;49(1):44-50. PMID 2912010
4. Tabrizi, R., Saneei, P., Lankarani, K.B., Akbari, M., Kolahdooz, F., Esmaillzadeh, A., Nadi-Ravandi, S., Mazoochi, M. & Asemi, Z. (2019): ‘The effects of caffeine intake on weight loss: a systematic review and dos-response meta-analysis of randomized controlled trials’. Critical Reviews in Food Science and Nutrition, 2019;59(16):2688-2696. PMID 30335479
5. Doherty, M. & Smith, P.M. (2005): ‘Effects of caffeine ingestion on rating of perceived exertion during and after exercise: a meta‐analysis’. Scandinavian Journal of Medicine & Science in Sports, 005 Apr;15(2):69-78. PMID 15773860
6. Meng, S., Cao, J., Feng, Q., Peng, J. & Hu, Y. (2013): ‘Roles of Chlorogenic Acid on Regulating Glucose and Lipids Metabolism: A Review’. Evidence-Based Complementary and Alternative Medicine, 2013; 2013: 801457.
7. Haidari, F., Samadi, M., Mohammadshahi, M., Jalali, M.T. & Engali, K.A. (2017): ‘Energy restriction combined with green coffee bean extract affects serum adipocytokines and the body composition in obese women’. Asia Pacific Journal of Clinical Nutrition, 2017; 26(6):1048-1054
8. Onakpoya, I., Terry, R. & Ernst, E. (2011): ‘The Use of Green Coffee Extract as a Weight Loss Supplement: A Systematic Review and Meta-Analysis of Randomised Clinical Trials’. Gastroenterology Research and Practice, 2011; 2011: 382852. PMCID: 2943088
9. Westerterp-Plantenga, M.S. (2010): ‘Green tea catechins, caffeine and body-weight regulation’. Physiology & Behaviour, 2010, Apr 26;100(1):42-6
10. Lochocka, K., Bajerska, J., Glapa, A., Fiddler-Witon, A., Nowak, J.K., Szczapa, T., Grebowiec, P., Lisowska, A. & Walkowiak, J. (2015): ‘Green tea extract decreases starch digestion and absorption from a test meal in humans: a randomized, placebo-controlled crossover study’. Scientific Reports, 2015 Jul 30;5:12015. PMCID 4520190
11. Westerterp-Plantenga, M.S., Lejeune, M.P.G.M. & Kovacs, E.M.R. (2005): ‘Body weight loss and weight maintenance in relation to habitual caffeine intake and green tea supplementation’. Obesity Research, 2005 13(7):1195-204. PMID 16076989
12. Hursel, R., Viechtbauer, W. & Westerterp-Plantega, M. (2009): ‘The effects of green tea on weight loss and weight maintenance: a meta-analysis’. International Journal of Obesity, 2009 33(9):956-61
13. Sugita, J., Yoneshiro, T., Hatano, T., Aita, S., Ikemoto, T., Uchiwa, H., Iwanaga, T., Kameya, T., Kawai, Y. & Saito, M. (2013): ‘Grains of paradise (Aframomum melegueta) extract activates brown adipose tissue and increases whole-body energy expenditure in men’. The British Journal of Nutrition, 2013 Aug;110(4):733-8. PMID: 23308394
14. Sugita, J., Yoneshiro, T., Sugishima, Y., Ikemoto, T., Uchiwa, H., Suzuki, I. & Saito, M. (2014): ‘Daily ingestion of grains of paradise (Aframomum melegueta) extract increases whole-body energy expenditure and decreases visceral fat in humans’. Journal of Nutritional Science and Vitaminolgy, 2014;60(1):22-7. PMID 24759256
15. Walsh, D.E., Yaghoubian, V. & Behforooz, A. (1984): ‘Effect of glucomannan on obese patients: a clinical study’. International Journal of Obesity, 1984;8(4):289-93. PMID 6096282
16. Salas-Salvadó, J., Farrés, X., Luque, X., Narejos, S., Borrell, M., Basora, J., Anguera, J., Torres, F., Bulló, M. & Balanza, R. (2007): ‘Effect of two doses of a mixture of soluble fibres on body weight and metabolic variables in overweight or obese patients: a randomised trial’. The British Journal of Nutrition, 2008 Jun;99(6):1380-7. PMID 18031592