I take a 60g protein shake before my workout and another 60g shake right after my workout. For the weight gainer it depens on how much weight you want to gain. When I was hella skinney I used to take a weight gain shake right before bed and wake up around 2 or 3 am and have another one and go right back to bed. Those WG shakes can be a little hard to get down sometimes. But it can work for you if you want it to