[header] How to use herbal supplements safely [title] Understand that " natural " doesn't necessarily mean safe. [step] It's important to know that just because an herbal supplement is labeled " natural " does not mean it is safe or without any harmful effects. For example, the herbs kava and comfrey have been linked to serious liver damage. 
[title] Be aware that herbal supplements are drugs. [step] This means that they can cause medical problems if not used correctly or if taken in large amounts.