New to site with a question

Hi all... I was wondering if anyone could tell me if pre-mixing nectar protien powder and putting it in a bottle to take to work would loose it's effectiveness like milk based protien drinks that need to be consumed within 20 min? I'm having a hard time juggling the container, mix and drink and then trying to find ice to put it on cuz I think it tastes better on ice than just straight.  I wrote the company but with no response as yet?   Any help would be appriciated.   Tammy

I think premixing is fine. Actually from all my reading I believe all the protein powders now have a much longer "life"     They dont have to be drank quickly. I mix mine with a little milk & then water (have been for 3 years now) and drink on the way to work....within 2 hours....labs are great & I am good. :-) hope this helps Diana