Medical Sciences
Clinical Evidence of Orally Administered Herbal Preparations for Supportive Cancer Care: A PRISMA Systematic Review of Randomized Clinical Trials (1990–2026)
By Rebeca Moreno-Ponce, Uriel Díaz-Llerenas, Gustavo A. Hernández‐Fuentes and 12 others.
Abstract
Background/Objectives: Orally administered herbal preparations have gained attention as complementary approaches in supportive cancer care; however, their clinical efficacy and safety remain uncertain. This systematic review critically evaluated evidence from randomized clinical trials investigating these interventions in patients with cancer.



