API	Active pharmaceutical ingredient
AUC	Area under the concentration-time curve
BBB	Blood-brain barrier
BCS	Biopharmaceutics classification system
CM	Carrier-mediated
Cmax	Maximum concentration
F	Bioavailability
Fabs	Fraction absorbed
FDA	US Food and Drug Administration
GI	Gastrointestinal
HBD	Hydrogen bond donor
MR	Modified-release
OrBiTo	Innovative Tools for Oral Biopharmaceutics
Peff	Effective permeability
PBPK	Physiologically based pharmacokinetic
QSAR	Quantitative structure-activity relationship
SPIP	Single-pass intestinal perfusion