known carcinogens in tobacco The mutagenic effect of smoke on male fertility | Environmental Science and Pollution Research Cancer and Tobacco Use -

However, it is known that Philip Morris studied niacin in cigarettes,106 , 107 investigated commercial production of niacin (i.e., nicotinic acid) and the cost associated with purchasing niacin in lots of 5000 or more kilograms,108 and studied naturally occurring rutin in cigarettes.109 The patent listed 33 botanicals or vegetable materials, or compounds within them, that also appear on the tobacco industry cigarette additive list, including beets, carrots, chamomile, corn, eucalyptus, maple and maple syrup, menthe piperita, oak, patchouli, rose, and vanilla plantifolia

While glyphosate is the active ingredient, companies dont have to publicly disclose other proprietary chemicals in these herbicide formulations

"New Director Named for ATF" (Press release)

State-Level Variations While the federal minimum is now 21 nationwide, some states had already raised their tobacco age before the federal law took effect