@MikeMason-- Thanks for that information. I didn't know that.
Isn't there a scientific institution that actually does testing on extracts to see if they really contain what they say they do? It would be a good idea to check their list for brands that they approve of.
I took saw palmetto for hair loss a very long time ago. I don't even remember what type I had used or the brand. I didn't use it for very long though. It gave me acne for some weird reason so I stopped using it before I could see any results with my hair.
But if I were to use it again, I would definitely go for the standardized ones, and organic certified. I think organic supplements are safer and more beneficial in general even though they are on the pricier side.