1,25(OH)2D	1,25-dihydroxyvitamin D
25(OH)D	25-hydroxy vitamin D
ACE-1	Angiotensin-converting enzyme-1
ACE-2	Angiotensin-converting enzyme-2;
Ang(1–7)	Angiotensin(1–7)
Ang-I	Angiotensin-I
Ang-II	Angiotensin-II
AT1R	Type 1 angiotensin-II receptor
BMI	Body mass index
CVD	Cardiovascular disease
IU	International Units
MA	Meta-analysis
MasR	MAS proto-oncogene receptor
NIH	National Institutes of Health
PTH	Parathyroid hormone
RCTs	Randomized controlled clinical trials
RAS	Renin-angiotensin system
SARS-CoV-2	Severe acute respiratory syndrome coronavirus-2
SR	Systematic reviews
T2D	Type 2 diabetes mellitus
TMPRSS2	Transmembrane protease serine-2
UVB	Ultraviolet-B
VDBP	Vitamin D binding protein
VDR	Vitamin D (calcitriol) receptor