We have a customer interested to make a beverage with 
some omega 3.
Can you inform us which combination is better in drinks? 
Can you help us to choose the better combination? 
Specifications that we looking for are:

PH:3 TO 3.6
Soluble: In water or milk drinks
Stability: To heat treatment
Application: Fruit juices or milk drinks

Please, reply as soon as possible with max. Information possible