Phyllanthus niruri: A Comprehensive Review of Its Botanical, Phytochemical, and Therapeutic Potential

Phyllanthus niruri L., commonly known as “Bhumi Amla” or “Stonebreaker,” is a small herbaceous plant belonging to the family Phyllanthaceae. This plant has attracted a lot of interest in traditional medical systems around the world because of its vast range of medicinal applications. Widely distributed in tropical and subtropical regions, this plant holds a significant place in traditional medicine systems such as Ayurveda, Siddha, and Unani for treating ailments like jaundice, kidney stones, liver disorders, and viral infections. The present review aims to provide a consolidated account of its botanical characteristics, phytochemical constituents, pharmacological activities, and therapeutic applications. Numerous bioactive compounds, including lignans (phyllanthin, hypophyllanthin), alkaloids, flavonoids, and tannins, have been isolated from different parts of the plant. The antidiabetic activity of P. niruri is mediated through a multifaceted mechanism involving the regulation of glucose metabolism, insulin sensitivity, and protection against oxidative stress. Pharmacological studies have validated its hepatoprotective, nephroprotective, antiviral, antioxidant, antidiabetic, and anti-inflammatory effects in both in vitro and in vivo models. The review also discusses recent developments in extraction techniques, clinical trials, and its potential as a nutraceutical or herbal drug candidate. With growing global interest in plant-based medicines, P. niruri stands out as a promising medicinal herb requiring further in-depth research and conservation efforts. Phyllanthus niruri has emerged as a promising medicinal plant with a rich history in traditional medicine systems and increasing validation through modern scientific research. Given its therapeutic versatility and safety profile, Phyllanthus niruri holds significant promise for development into evidence-based phytomedicines and could play a vital role in integrative and sustainable healthcare systems.