Quote Originally Posted by h2s View Post
Both probably have a shit ton of filler and just color it differently. Swanson generally is pretty high quality.
From someone who works for a supplement company, this is pretty spot on. Use it for a month or so and you'll know right away. People who use our agmatine caps know right away they are the real deal because vascularity increases noticeably in the first few days. Anything can be used as a filler and that would change the color/texture/smell potentially.

As others have stated, Swanson is a legit company