The industry is intricately categorized by shell type and content. According to the latest Capsule Market segment data, "Hard Gelatin Capsules" (HGC) remain the dominant segment for dry powders and granules. However, the "Softgel" segment is the fastest-growing in 2026, driven by the increasing popularity of CBD oils, Vitamin D, and specialized lipid-based pharmaceuticals that require a hermetically sealed, tamper-evident container.

From a functionality perspective, the market is split between "Immediate-Release" and "Sustained-Release." The sustained-release segment is seeing a surge in 2026 due to the "Once-Daily Dosing" trend. By using specialized semi-permeable membranes or "bead-in-capsule" technology, manufacturers can ensure a steady release of medication over 12 to 24 hours. This segmentation shows that the capsule market is bifurcating: high-volume commodity shells on one side, and high-tech, functional "specialty capsules" on the other.

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