With all the FDA warning letters being sent out, it's time to make sure you are not selling to minors.
There are already hundreds of letters in 2017 alone!
So far there are two primary age verification services - Bluecheck and agechecker.net
What experience do you have with these services? Share it with the community.
What else are you doing to to protect your store?
I've heard online that you can ask USPS to check ID's upon delivery (like alcohol orders online). This is a great stop-gap measure.