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compound → CapableOf → cross the blood-brain barrier	0.64
organic mercury (subgroup of mercury) → CapableOf → cross the blood-brain barrier	0.59
tryptophan → CapableOf → cross the blood-brain barrier	0.55
drug → CapableOf → cross the blood-brain barrier	0.53
codeine → CapableOf → cross the blood-brain barrier	0.49
curcumin (aspect of turmeric) → CapableOf → cross the blood-brain barrier	0.47
atropine → CapableOf → cross the blood-brain barrier	0.44
amino acid → CapableOf → cross the blood-brain barrier	0.42
caffeine → CapableOf → cross the blood-brain barrier	0.40
phenylalanine → CapableOf → cross the blood-brain barrier	0.36
antibody → CapableOf → cross the blood-brain barrier	0.35
antihistamine → CapableOf → cross the blood-brain barrier	0.35
glutamine → CapableOf → cross the blood-brain barrier	0.34
melatonin → CapableOf → cross the blood-brain barrier	0.32
caffeine (aspect of coffee) → CapableOf → cross the blood-brain barrier	0.32
insulin → CapableOf → cross the blood-brain barrier	0.31
ala → CapableOf → cross the blood-brain barrier	0.29
ammonia → CapableOf → cross the blood-brain barrier	0.28
alcohol → CapableOf → cross the blood-brain barrier	0.27
turmeric → CapableOf → cross the blood-brain barrier	0.27
virus → CapableOf → cross the blood-brain barrier	0.27
iron → CapableOf → cross the blood-brain barrier	0.27
nicotine → CapableOf → cross the blood-brain barrier	0.27
aluminum → CapableOf → cross the blood-brain barrier	0.27
ephedrine → CapableOf → cross the blood-brain barrier	0.26
metronidazole → CapableOf → cross the blood-brain barrier	0.25
bilirubin → CapableOf → cross the blood-brain barrier	0.25
ceftriaxone → CapableOf → cross the blood-brain barrier	0.25
diphenhydramine → CapableOf → cross the blood-brain barrier	0.25
glucose → CapableOf → cross the blood-brain barrier	0.25
heroin → CapableOf → cross the blood-brain barrier	0.25
hormone → CapableOf → cross the blood-brain barrier	0.25
liposome → CapableOf → cross the blood-brain barrier	0.25
pea → CapableOf → cross the blood-brain barrier	0.25
prion → CapableOf → cross the blood-brain barrier	0.25
thc → CapableOf → cross the blood-brain barrier	0.25
vitamin c → CapableOf → cross the blood-brain barrier	0.25
zika virus (subgroup of virus) → CapableOf → cross the blood-brain barrier	0.25
protozoan → CapableOf → cross the blood-brain barrier	0.24
toxin → CapableOf → cross the blood-brain barrier	0.22
mercury → CapableOf → cross the blood-brain barrier	0.22
fluoride → CapableOf → cross the blood-brain barrier	0.21
msg → CapableOf → cross the blood-brain barrier	0.19
pathogen → CapableOf → cross the blood-brain barrier	0.16