how about this one :
http://www.appeton.com/site-eng/products/a...ightgain_a.html

hmm...something to share here, already gain 6kg.current BMI is 18.4. normal is 18.5-24.9 i did't take any supplement but i eat lots of food,milk,fruit and go gym of coz..hope i can gain another 8kg
i used to be thin, so if you are thin too don't worry, it take time to gain weight just keep up the performance then u'll see the result