A study of On Guard™, a mixture of essential oils, showed that it reduced the infectivity of influenza virus in dog kidney cells in the lab; but that's irrelevant to the question of whether the product has any clinical effect in humans.
There’s a new clinical trial published in the New England Journal of Medicine showing a beneficial effect due to cannabidiol, a chemical isolated from marijuana, on drug-resistant seizures due to Dravet syndrome. Although there are a fair number of caveats, this is how you begin to turn the herbalism that characterizes medical marijuana advocacy into science-based medicine.
Multilevel distributors of the dietary supplement Protandim think that evidence from scientific studies supports their claims for their product. The FDA disagrees.
Anthony William calls himself a "Medical Medium". He has no medical expertise, but he provides medical advice based on claimed communication with the spirit world. What could possibly go wrong?
Vital Stem is a dietary supplement mixture that supposedly reverses the changes of normal aging by increasing the body's production of stem cells. We can't know if it works, because it hasn't been tested.