Test one thing at a time. It feels slower and it is the only way to learn anything.

Sterility is the part people wave through and it is the part that actually bites.

The sticker on the box is just so you know they were in there. It is the letter that matters.

Enteric coatings should not be crushed. The pellets are the delivery mechanism.

Cold storage, light protection, date on the vial. Boring, removes half the variables.

Enteric coatings should not be crushed. The pellets are the delivery mechanism. Same for me with a price change, unfortunately.

Three month limits are cumulative across parcels in more places than people realise.