In-depth articles on capsule materials, manufacturing, and formulation.
March 15, 2026
A detailed comparison of the three main capsule materials: pullulan, HPMC, and gelatine. Understand the differences in properties, applications, certifications, and cost to choose the right capsule.
March 15, 2026
The EU banned titanium dioxide (E171) as a food additive in 2022. Learn what this means for capsule formulations, which alternatives exist, and how to transition to TiO2-free capsule shells.
March 15, 2026
Clean label is one of the strongest trends in the supplement and pharmaceutical industry. Learn what makes a capsule "clean label", which materials qualify, and how to meet consumer demand.
March 15, 2026
A step-by-step guide to how empty two-piece capsules are manufactured. From raw material preparation through dipping, drying, trimming, and quality control to the finished capsule.
March 15, 2026
Acid-resistant capsules protect sensitive ingredients from stomach acid and release their contents in the intestine. Learn how they work, when to use them, and how they compare to enteric coatings.
March 15, 2026
Everything you need to know about HPMC (hydroxypropyl methylcellulose) capsules — material properties, advantages over gelatine, applications, and how to choose the right capsule for your formulation.
