3750 calories in gaining powder 620 calories in milk 4370 calories funneled into my fat face If you know me I m not one for gaining shakes After testing several powders and combinations this is the only one I can commit to funneling Today is a big experiment as I funnel a gainer shake for the very first time In this video expect a very hesitant Rosie being extra honest with her first gaining shake experience and watch as I chug down as many calories as possible Expect more videos like this as I experiment to see what gaining shake I can consume the most of to accelerate my gain as much as possible