I ordered Instaflex because a friend cannot buy it where she lives. She heard about it, read a study and thought she should try it to ease her knee pain.
I signed up for the trial, received the capsules, cancelled and never heard again lest one e-mail "Sorry to see you go...". My friend then found a store in Canada where she can get Instaflex cheaper and continued buying there instead through the subscription.
At least there was no CC scam that I could identify. It is a whole different issue about the claim that it helps with all sorts of pain, but that can be discussed to death just like with all other remedies.
Reason of review: On time delivery.
Instaflex Pros: Prompt service.