A plausible mechanism is not an outcome, and this class is the textbook example.

An inconclusive account is useful if it stops the next person mistaking a story for a controlled comparison.

Photograph everything before you open it. Ten seconds, settles most disputes. Two years in on Canada Post and it lines up.

Stupid question: how do you know whether what is in the vial matches the label at all? Not on testosterone cypionate but the pattern is familiar.