30 Best Diet Pills for Weight Loss | Science-Backed Picks for 2026

Explore the science behind popular diet pills and find out which options may genuinely support metabolism, appetite control, and fat burning.

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5 Sources

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[1] Abou-Khalil R, Andary J, El-Hayek E. Apple cider vinegar for weight management in Lebanese adolescents and young adults with overweight and obesity: a randomised, double-blind, placebo-controlled study. BMJ Nutr Prev Health. 2024 Mar 12;7(1):61-67. doi: 10.1136/bmjnph-2023-000823. PMID: 38966098; PMCID: PMC11221284.

[2] Tabrizi R, Saneei P, Lankarani KB, Akbari M, Kolahdooz F, Esmaillzadeh A, Nadi-Ravandi S, Mazoochi M, Asemi Z. The effects of caffeine intake on weight loss: a systematic review and dos-response meta-analysis of randomized controlled trials. Crit Rev Food Sci Nutr. 2019;59(16):2688-2696. doi: 10.1080/10408398.2018.1507996. Epub 2018 Oct 18. PMID: 30335479.

[3] Lin Y, Shi D, Su B, Wei J, Găman MA, Sedanur Macit M, Borges do Nascimento IJ, Guimaraes NS. The effect of green tea supplementation on obesity: A systematic review and dose-response meta-analysis of randomized controlled trials. Phytother Res. 2020 Oct;34(10):2459-2470. doi: 10.1002/ptr.6697. Epub 2020 May 5. PMID: 32372444.

[4] Birketvedt GS, Shimshi M, Erling T, Florholmen J. Experiences with three different fiber supplements in weight reduction. Med Sci Monit. 2005 Jan;11(1):PI5-8. PMID: 15614200.

[5] Onakpoya I, Hung SK, Perry R, Wider B, Ernst E. The Use of Garcinia Extract (Hydroxycitric Acid) as a Weight loss Supplement: A Systematic Review and Meta-Analysis of Randomised Clinical Trials. J Obes. 2011;2011:509038. doi: 10.1155/2011/509038. Epub 2010 Dec 14. PMID: 21197150; PMCID: PMC3010674.

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