Thats a significant range, and manufacturers blend different tobaccos to achieve specific nicotine levels
Nicotine Tob Res 2022;24:95561
Experimenting with taking multiple nicotine lozenges or similar things could be harmful or fatal and anyone suspected of having somehow consumed a nicotine overdose needs very prompt medical attention
I have worked at The Royal Mews Surgery, London for the past 6 years and am now Apothecary to the King and Queens Royal Household, Buckingham Palace.
But, Im working behind the counter and my father is looking over things , as he did in his chair on a special raised platform, and someone came in and he gave me a high sign, which was hardly noticeable, but I recognized it, and knew to give this guy good service, and I did and he was a very charming man