The Type segmentation of the Anti-radiation Drugs market distinguishes four principal sub‑categories: small‑molecule radioprotectors, peptide‑based agents, biologic therapeutics (such as cytokines and growth factors), and nanoparticle delivery systems. Small‑molecule agents dominate the market due to their established safety profiles, oral bioavailability, and relatively low manufacturing cost, accounting for roughly 40% of total revenues. Peptide‑based agents, valued for their target specificity and reduced systemic toxicity, contribute about 25%, reflecting growing clinical interest in precision radioprotection. Biologic therapeutics, although more expensive, are gaining traction in oncology settings where immune modulation enhances radiotherapy outcomes, representing approximately 20% of the market. Nanoparticle formulations, leveraging controlled release and tissue‑targeted delivery, are an emerging segment projected to expand rapidly, currently holding near 15% of market share. Collectively, these type categories shape the overall market size by aligning product development with clinical demand, regulatory pathways, and cost‑effectiveness, forming the backbone of the Anti‑radiation Drugs segmentation analysis.