Segmentation by types of grain products adds a layer of granularity that clarifies consumer‑driven trends and supply‑chain implications. Whole grain varieties, retaining bran and germ, dominate premium food channels and contribute approximately 40 % of market volume due to rising health consciousness. Refined grain products, stripped of fiber, remain essential for mass‑market baked goods and account for about 30 % of sales, reflecting their cost advantage and established processing infrastructure. Gluten‑free grains, including rice, sorghum, and millet, have expanded to roughly 12 % of the market, propelled by medical and lifestyle demand. Organic grains, certified under stringent agricultural standards, hold a 10 % share, driven by niche retail and export premiums. Finally, fortified grains, enriched with vitamins and minerals, represent the remaining 8 %, primarily in public‑health initiatives and school nutrition programs. This taxonomy clarifies how each subtype underpins distinct pricing, regulatory, and distribution frameworks within the broader market.