European products for sucking include Swedish snus (unfermented, pasteurized), while those for chewing include roll and twist tobacco, which are typical in Europe
Ann Intern Med 153:607609
For context, that's on the higher end of what's available in disposable vapes, and it's specifically formulated to satisfy former cigarette smokers
Watch for a persistent cough that doesnt improve or gets worse over days, shortness of breath, especially with activity or at rest, chest pain or tightness, fever, chills, or fatigue that feels out of proportion to a typical cold, nausea, vomiting, diarrhea, or abdominal pain alongside respiratory symptoms, and rapid or labored breathing
You could buy it almost anywhere as it was considered a OTC