Well, there was only one way to see if the stuff would brighten and firm (as it claimed) or...not
While Tirzepatide, initially approved as a diabetes treatment under the brand name Mounjaro, has also been used for weight loss, insurance coverage may hinge on whether the prescription is for an on-label or off-label use

Seek urgent medical attention if light-headedness is accompanied by: Severe or persistent hypoglycaemia symptoms including confusion, sweating, tremor, palpitations, or difficulty concentrating Chest pain or palpitations which may indicate cardiovascular complications Severe dehydration signs include reduced urine output, dark urine, extreme thirst, or dry mucous membranes Fainting or loss of consciousness even brief episodes warrant investigation Visual disturbances blurred vision, double vision, or visual field defects Severe headache particularly if sudden onset or unlike previous headaches Difficulty breathing or speaking which may suggest a serious adverse reaction Call 999 immediately for severe chest pain, severe breathlessness, loss of consciousness, or symptoms of stroke
However, rushing dose escalation does not improve final outcomes and increases the risk of nausea, constipation, or other GI side effects that can derail adherence
The unpaired Student t test for comparison between two groups was used to determinate statistical significance