Is 5% nicotine a lot?

Could you elaborate on whether 5% nicotine is considered a high concentration? I'm aware that nicotine levels vary greatly across products, but for those unfamiliar with the intricacies of nicotine dosage, this figure may be perplexing. Would a product with 5% nicotine be suitable for regular smokers, or is it more suited for those with a higher tolerance? Furthermore, what are the potential health implications of consuming nicotine at this level? Your insights into this matter would be greatly appreciated.