Does protein shakes makes gain weight?

My husband has lost 30lbs recently by changing his diet and doing Krav Maga religiously. He recently started drinking the protein shakes every morning and honestly looks like he is gaining weight a gain. He has not changed his diet and is still working out so my question is, will the shakes make you gain weight? And when and how much should he be taking?

Yeah… they can even the low cal stuff, amazing thing is that your liver takes the over abundance of protein ad turns it into stored energy. Some shakes can give a large amount of cal intake as well. Check the label and try to get in only 20 or so grams of protein at a time rather then the 60 plus some take in For Further Details You can Read Complete Guide of Kyle Leon Customized Fat Loss