ABC	Ammonium bicarbonate
AGC	Automatic gain control
A2 Lac	Lactose-free A2 milk
ANOVA	Analysis of variance
BCM-7	β-casomorphin-7
BMI	Body mass index
DTT	Dithiothreitol
ESI-MS/MS	Electrospray ionization tandem mass spectrometry
FA	Formic acid
GI	Gastrointestinal
H2	Hydrogen
HCD	Higher-energy collisional dissociation
IRB	Institutional Review Board
JAR	Just-About-Right
Lac	Lactaid (lactose-free conventional milk)
m/z	Mass-to-charge ratio
MDPI	Multidisciplinary Digital Publishing Institute
MS	Mass spectrometry
PPM	Parts per million
RF	Radio frequency
SPSS	Statistical Package for the Social Sciences
SD	Standard deviation
TFA	Trifluoroacetic acid
UHPLC	Ultra-high-performance liquid chromatography
UHT	Ultra-high temperature
VAS	Visual analog scale