I agree that natural health products are safe. I feel comfortable recommending them to my patients—again, when it is the right product with the right indication and with the right evidence base to support its use.
That being said, extremely rare events are not unimportant events. In health care, we dedicate a huge amount of time, energy and effort to ensuring that extremely rare events do not happen. When they do happen, we report them, reflect on them, learn from them and act swiftly and accordingly.