Sir, I Have One Son His Age Is 3 Now.He

Sir,

I have one son his age is 3 now.He is don't like to taken milk,but he likes to drink coffee.i am just started lion dates syrup for last 3 days before i am not added syrup with coffee,directly given daily morning 1 teaspoon at empty stomach.it is the right way i am giving .can you please suggest to me i am doing in the right way.to increase to body weight of my son.Now is weight is 11 K.G

Regards,
S.Lakshmi narayanan