Hi, have the same question as gonzalo20. I know taking in (eat) more calories than I need is the way to gain but as my job is quite busy, I don't find it's not easy to split and add the times to take additional meal (e.g. at 11am or 3:15pm), therefore thinking to take whey or mass gainer as it is convenience.

Went through a few post here and saw people mostly recommending whey over mass gainer. However, looks at the calories it offer (take On as example), the mass gainer provides 1250 and whey for 120, almost 10 times calories of whey per serving. so why is whey are prefered over mass gainer if my main purpose is to gain weight and not building muscle?