Application segmentation partitions the Insect‑based Protein Powder market into four primary end‑use categories: sports nutrition, meal‑replacement beverages, functional foods, and pet nutrition. Sports nutrition, driven by protein‑performance claims and rapid‑absorption hydrolyzed powders, represents the largest share, estimated at 45 % of total sales, reflecting premium pricing and strong consumer adoption in protein‑shake formulations. Meal‑replacement beverages, which integrate whole‑insect or isolated powders for balanced macronutrient profiles, account for roughly 30 % of revenue, supported by convenience‑driven retail channels and emerging plant‑protein competitors. Functional foods—including baked goods, snack bars, and fortified dairy—capture about 15 % of the market, where manufacturers prioritize protein purity and functional attributes such as antioxidant capacity. Pet nutrition, primarily dry kibble and treats enriched with isolated protein, contributes the remaining 10 %, benefiting from pet‑owner willingness to pay for sustainable protein sources. These application segments collectively define the market taxonomy, with each proportion reflecting distinct regulatory pathways, distribution networks, and price elasticity, a key focus of Insect‑based Protein Powder segmentation studies.