Hi there, just a quick question about this =)

I bought some "Dextrose" to add to my post workout drink/protein.

"Dextrose causes an insulin spike to increase absorption of protein"
http://www.eroids.com/forum/training-nutrition-diet/weight-gain/are-you-...

I'm suppose to add 100g of Dextrose to my post workout drink, even if it is a gainer?

I'm always trying to gain weight so I always use weight gainers instead of regular whey protein. Currently I'm using, and has become my favorite; "Optimum Pro Complex Gainer"
650 Calories
85g Carbs (including Complex)
60g Of different Proteins
+Some other things, Google it if you want to know the rest.
Vanilla and Strawberry flavors are awesome.

I usually drink this 3x a day with 2 Cups of 2% milk. I use Water if I'm at work or at the gym.

Other than my post workout shake, Should I add the Dextrose to my daily other 2 Shakes?

Also I'm not sure how to go about 100g of Dextrose. The bag says
Serving Size 1 tsp (4)
4g carb
4g sugars

Does that mean I need 25 tsp?

Thanks
Dano