An very informative overview by Gattefossé on its excpients and uses thereof.
Lipid excipients for oral drug delivery include high to low HLB solubility and bioavailability enhancers, lubricants, modified-release, taste-masking and API protection agents. Excipients are used in a variety of processes enabling the formulation of different dosage forms, mainly tablets and granules; hard and soft capsules. For information on excipient functionality and formulation with different processes please see the Formulation Technologies section.
