They cost roughly $0.10 each, not worth the risk of saving 10 cents
This risk increases for people with type 2 diabetes who also take a diabetes medication

- Tirzepatide Once Weekly for the Treatment of Obesity (SURMOUNT-1, NEJM 2022, n=2,539) FDA Prescribing Information - semaglutide (weekly injection, chronic weight management) FDA Prescribing Information - tirzepatide (weekly injection, chronic weight management) FDA - Medication Guides and prescribing information database (Drugs@FDA) Comparison sources MeAgain App Store listing (verified June 11, 2026) MeAgain Google Play listing (verified June 11, 2026) Shotsy App Store listing Shotsy Google Play listing Glapp App Store listing Pep App Store listing Pep Google Play listing Phaze App Store listing Phaze Google Play listing MyFitnessPal App Store listing MyFitnessPal Google Play listing Cronometer App Store listing Cronometer Google Play listing What GLP-1 Users Say After Trying Multiple Tracker Apps 4.8 out of 5 from 25K App Store ratings and the recurring theme in MeAgain reviews is comparison: people arrive after trying other trackers

Using an AHA simultaneously with Retinoids affects the skins barrier function while triggering serious skin irritation, redness, inflammation and dehydration (Sharkey, 2021)
Another possibility is that loss of one gene hypersensitizes worm DA neurons to loss of the other, meaning loss of both gene products results in a synergistically toxic state