Why dont you guys make a forum called something like "Biotest Products" and have people rate the products (kind of like on RMP)
Only to give a rating on a specific product, you would need to have actually ordered the product (so there would be no bullshit). That would probably be easy to do with the order history of all the members. If you never purchased the product, you cannot rate it (you can still write on that product's thread tough) Im pretty sure it wouldnt be too hard to set up and it would give both you and your customers some feedback.
You could just have all the products in the TMUSCLE Store listed and have a specific thread for each of them along with their representative rating
Just an idea..