<p>Nanoparticles, particularly those manufactured using environmentally friendly processes, have emerged as powerful bio-stimulants in agriculture, providing various benefits for plant growth, stress tolerance, and nutrient uptake. This review explores the mechanisms by which nanoparticles are taken up and moved through plants, with particular attention to how they pass through the xylem and phloem and are absorbed by cell walls and plasma membranes. According to studies, nanoparticles, including iron oxide, zinc oxide, and, silver enhance nutrient dynamics, root growth, and general plant health. Through facilitating root-to-shoot translocation, nanoparticles improve nutrient distribution and increase growth. As bio-stimulants, they lessen plants’ vulnerability to environmental stressors like drought and salinity while simultaneously enhancing crop production and seed germination. Nanoparticles (NPs) and nanomaterials (NMs) are bio-stimulants that promote plant growth at low concentrations. Pure nanoparticles and nanomaterials have a high surface charge density, allowing them to interact with plant cell walls and membranes. Functionalized NPs and NMs, as well as those with a corona produced from exposure to natural fluids like water, soil, or creatures, have a high density of surface charges that interact with certain charged groups on cell surfaces. By reducing the need for chemical pesticides, their antibacterial qualities also support sustainable farming methods. This review paper emphasizes how nanoparticles can revolutionize modern agricultural practices by boosting plant resistance, increasing crop yield, maintaining environmental sustainability and achieving zero hunger.</p>