Childproof caps
Prominent poison warnings on label
Ingredient listings on label
3rd party analysis results available
Batch testing performed and certified
Restriction of sale to minors
Expiration date on label
Manufacturer listed on label
pH level listed on label
Nicotine concentration in standardized format [mg/ml] listed on label
Safety pamphlet in box (dosing, interaction, OD treatment info)
None at all