Novo and Lilly led the growth of the obesity drug market with the injectable GLP-1 medications Wegovy and Zepbound
22 Another adjunctive study found only modest improvements over placebo in disruptive behavior and attention
For comparison, tirzepatide (Mounjaro, Zepbound) has a slightly lower constipation rate at 14-17% across doses, possibly because the GIP receptor component partially counteracts GLP-1's motility effects in some patients
Beyond the specific concern about diabetic retinopathy progression, broader research into GLP-1 receptor agonists and ocular health has been limited but generally reassuring
ConsumerLab's tests showed that most products contained their expected amounts of collagen, ranging, per daily serving, from about 2.9 grams to 20 grams among powders, and from 1.8 grams to 6 grams for tablets and capsules