"Ingestion Some irritation of mouth and throat. Wash out mouth with water. Do not
induce vomiting. If patient is conscious, give water to drink. If patient feels unwell seek medical attention."
So if I decided to start eating my tub of shockwaves the most I will get is a slightly itchy throat. If on the offchance I feel unwell I should seek medical attention.
I accidently inhaled a snuff of it once as I was curious what it smelled like and breathed in a bit too hard!