The insect-based fertilizer market delivers a biological approach to plant nutrition. Produced from insect excreta and biomass, it enhances soil fertility and boosts plant resilience. These fertilizers align with zero-waste agricultural strategies and circular economy principles. Their low environmental footprint makes them suitable for organic and sustainable farming systems. Adoption is rising across vegetable, fruit, and grain sectors. Supportive regulations and subsidies encourage their use, especially in regions prioritizing environmental conservation. Research and innovation have improved processing techniques, making production more efficient. Overall, insect-based fertilizers contribute to food security and resource conservation while reducing chemical dependency in farming.