Once you take into account the serving size the whey + oats option is much cheaper. I take your point that its reasonable for a pre-mixed product.
I understand the basic mechanics of the insulin spike (caused by simple carbs) and it's use post-workout isn't in doubt, but maintaining a high insulin level all day? 28g of sugar *between* meals is completely unnecessary! Here's a interesting paragraph about insulin resistance -
http://en.wikipedia.org/wiki/Insulin_resistance#Causes_of_insulin_resistance - while sugar hasn't yet been directly attributed to resistance its the suspected cause. Why you would even risk becoming resistant to a hormone as powerful as insulin?
Better be careful what he pulls out from under the seat else he might find himself cruising at Mach2 without an aeroplane!
AH, but serving size can be equally as high in a whey + oats shake, its just a silly high serving and really a drink more aimed at people seriously having trouble packing in the calories. THough i'd doubt those serving sizes are really aimed for every serving, bit of bad english more than anything. AS with any whey product, serving suggestion is that, you have to take into accounts your own needs for anything. Bulk whey + oats would only be massively cheaper, if you had smaller serving, same serving it would be similar price. INfact it is very very cheap, though not a massively high BCAA ratio from what I could tell. Of course, its on deals for $24 in the states, and £27 here, so if you can't find the same deal its a joke in price tbh.
But if you had 3 half servings a day, thats still 15grams a pop, which is, about 1/4 of the sugar you get in a single mars bar. Not that i'm saying thats a standard to approach, but the insulin spike from 15grams, in a fairly large BB who needs that much carb, won't be that much of a spike at all.
IF I was looking to bulk, and I could find 3.8lbs of carb/whey combo at £10-12, it would pretty much be a steal, if it was £27 I'd laugh while putting myprotein in my address bar.
Theres also the idea that there can be two types of bulkers, some find it incredibly hard to gain ultra clean, but find putting on muscle + fat much easier, and dropping the fat afterwards even with a little muscle loss still gives them overall much better gains. Everyones slightly different basically. I don't think 45grams of sugar is really going to come close to creating insulin resistance ina person spread in 3 meals, but then if you can gain muscle incredibly cleanly as some people can, then avoiding sugar except in PWO might be better.
THeres actually quite a lot of talk around lately with people questioning just how important PWO simple or complex carbs, are. I guess it could easily be a case of with everyone being different, some people just don't need them, some people do.