They are fortunate the medication is as forgiving as it is. On reddit most people seem to buy first and learn later. It is frustrating.
An article describes a woman who received weight-loss medication through telehealth and ended up in the ER after a GLP-1 overdose. Poison control calls for overdoses or side effects of these drugs have jumped 1500 percent. She injected five times the dose after being unhappy with results and spent three days in the hospital. She claims the telehealth doctor told her to do it.