Q: How credible is Jack Heinemann or Bill Freese are? They have been mentioned in some blogs about their expertise in anti gmo sites. And Isoxaflutole, it's toxicity studies? Question Submitted By: rgandia from Kekaha, Hawaii +1 +1 -1 Thank you for your question. One of our experts will get back to you soon. Topic: Health and Safety 0 Comments | Add Comment Log in or register to post comments To post a comment, please login.