Online supplements sellers in EU

Which are the most reliable sources in the EU to buy supplements online?

Myprotein.com and some other UK-based companies like bulkpowders or so work out great for me (Germany-based)

I buy supplements from iHerb.com - Vitamins, Supplements & Natural Health Products . They have very good prices for Arginine, Citruline and other supplements which benefit PE and the shipping to Europe is 4$ for orders up to 4 lb and 80 $. You can use this coupon code CEM501 to benefit 5$ off from your purchase.

I need some basic stuff like zinc and a few other very common and, if possible, protein bars (to fight hunger)