I'm not sure the warning label would fit on the bottle...
Potential side-effects: Weight gain, weight loss, height gain, height loss, changes to pigmentation of hair, eyes, and/or skin, spontaneous rearrangement of musculoskeletal structure, premature aging, postmature unaging, teenage offspring turning to a life of vigilante justice, disfiguring mutations, dry mouth, increased chance of asthma-related death.
Most of these effects were mild to moderate in clinical studies.
Do not take if you or your family has a history of mental illness.
If symptoms persist or worsen, consult your physician and do not engage in any crime sprees or doomsday scenarios.