For more than a century, empty hard capsules have been a safe, effective dosage delivery system. However, half a century in, recognizing that although gelatin was ideal for hard capsules, it was not perfect, a large pharmaceutical company patented a hard capsule manufacturing process using a modified water-soluble form of plant-derived cellulose. At the time, in an industry completely based on the performance and characteristics of gelatin hard capsules, the challenges of this new “veggie” ...
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