By definition, if it requires nicotine it is not natural.
Nicotine
Nicotine is non-addictive
The most simplistic and effective is not to ingest nicotine at all. The tests are pretty secure and find small traces of any substance not created by the body in a natural way
Nicotine is a natural chemical found in tobacco and some related plants. For non-tobacco products it is usually refined from tobacco, although it can be produced synthetically.
the three natural rights are Life Liberty and Property :)
Nicotine has the molecular formula of C10H14N2. It is composed of carbon (C), hydrogen (H) and nitrogen (N). Nicotine has the molecular weight of 162.2-grams per mole.
Clay is not a property, but a natural material.
Marlboro lights could be, probably try organic :)
Tobacco products including cigarettes, cigars, chew, snuff. These are all known to cause cancer. Nicotine patches, nicotine gum, electronic cigarettes which deliver nicotine through steam. These are safer and don't cause cancer.
Nicotine is an allelochemical. All plants naturally produce scores of these chemicals to protect them from herbivores, pests or contesting plants, to grow and to reproduce. Very little research has been made into allelochemicals (apart from nicotine!) but what little has been performed suggests that many could be toxic (in the appropriate dose) or even carcinogenic. Nicotine is produced by the tobacco plant to repel pests. Nicotinic pesticide is approved for organic farming use. Additionally, the pharmaceutical industry is trialling nicotine-based drugs to treat a range of medical conditions from obesity, dementia and psychotic disorders, as well as for pain relief. P.S. Nicotinic acid is a byproduct of the oxidation (burning) of nicotine. It is also known as niacin and Vitamin B3.
A special property of pyrrhotite is that it is a natural MAGNET that attracts iron. So your answer is: MAGNET