Article continues below advertisementTana Mongeau got vulnerable about her weight-loss transformation.The influencer, 27, admitted to tapping GLP-1 drug Mounjaro in a tell-all TikTok video on Thursday, August 28.Mongeau detailed her experience with the medicine and why she keeps reverting to it, despite intense side effects.Article continues below advertisementSource: @tanamongeau/InstagramTana Mongeau previously said Mounjaro made her nauseous.