fahd--There is an organization called Consumer Lab that rates the different sources of supplements. I do not have a membership, but I think some others on this forum might, and could comment. I looked up curcumin for you and it does not look like they evaluated the CVS brand, so there may not be an opinion on that. Here is the link
if you want to see the brands that they did evaluate.
Glad to see that someone mentioned Consumer Lab - I wanted to cite them a few days ago, but thought I might be violating one of the APOE guidlines, etc. I am a long-time member and impressed that sometimes they analyze Walgreen, CVS, WalMart, Sams Club and Costco supplements as well as other potentially more affordable supplements.
I am surprised, though, that without a membership you could get far enough into the site to see the actual ratings - maybe I don't need to be paying for the membership
They have analyzed several other brands including Walgreens, however, and have quite a comprehensive profile on curcumin that explains what to look for on labels in order to get the best quality, dosage information and information for an effective outcome. They do not allow companies to submit their product for testing - their procedure is to buy retail locally in the community.
Hope your week is off to a great start, JML . . . Exodus