Herbal Weight Loss Remedies in the Obesity Era: Between Belief and Evidence

Dr. Lakshmi Nagendra, Associate Professor, Department of Endocrinology, JSS Medical College, Mysore

High use of herbal weight-loss products is driven by perceived safety and benefit, despite limited evidence and possible side effects, underscoring the need for regulation and awareness.

The global rise in obesity has intensified interest in herbal and supplement-based weight loss strategies, particularly in populations seeking low-cost and “natural” alternatives to pharmacological therapy. A recent cross-sectional study among 1125 Jordanian adults highlights the growing reliance on herbal products, with nearly half of the participants attempting weight reduction in the past year and a notable proportion turning to supplements such as green tea, ginger, and cinnamon.

Despite widespread use, over 55% of respondents believed these products to be effective, and many considered them safer than conventional anti-obesity medications. However, the findings reveal a gap between perception and evidence. Reported benefits are largely subjective, while documented adverse effects—such as gastrointestinal disturbances, headache, and possible allergic reactions—underscore the need for caution. Importantly, older adults, females, and individuals with comorbidities were more likely to use these products, raising concerns about unsupervised use in vulnerable groups.

While herbs like green tea and ginger may exert modest metabolic effects, their efficacy remains inconsistent and far below that of evidence-based pharmacotherapy. Moreover, the lack of regulation, dosing standards, and pharmacovigilance increases the risk of misuse.

In the obesity management landscape, herbal supplements should not replace medical therapy but may serve as adjuncts within structured lifestyle interventions. Strengthening public awareness, pharmacist-led counseling, and regulatory oversight is essential to ensure safe and rational use of these widely consumed products.

(Reference: Sweiss K, Naser AY. Use of herbal and supplement products for weight loss among Jordanians: A cross-sectional study. Medicine. 2026 Mar 6;105(10):e47974. )