Supplements at Walgreen's, Walmart do not contain what they say they do

And they may contain fatal allergens. Some pills, capsules might not contain the dose they claim, or any of the active ingredient, and they often contain cheap fillers. Read more below.

A store brand of ginseng pills at Walgreens, said to enhance “physical endurance and vitality” was only found to contain powdered garlic and rice. On the other hand, Walmart’s ginkgo biloba, a Chinese plant that enhances memory, contained just radish, houseplants and wheat, even though the product was marketed as wheat and gluten-free.

Source
Newstarget. May 11, 2016.
Talknetwork. May 12, 2016.