In a major finding for people considering weight loss treatment, a new study comparing the two injectable prescription medications has show one of two noted brands to be more effective for weight loss than the other. While the risk of side effects from the drugs is comparable, a research team in the journal JAMA Internal Medicine found that tirzepatide is more effective for weight loss than semaglutide. Tirzepatide is manufactured by the US pharmaceutical company Eli Lilly under the brand name Mounjaro for diabetes and Zepbound – the same drug with the same strength – for weight management, wh…