For bulk tobacco nicotine suppliers, consider reputable companies in India specializing in providing high-quality nicotine extracted from tobacco leaves. Some reliable suppliers include Nicotine India, Alchem International, and Inovogen Life Sciences. These suppliers offer tobacco-derived nicotine in bulk quantities to meet the needs of various industries, including pharmaceuticals, agriculture, and vaping. Before engaging in business, verify the credentials and reputation of the suppliers to ensure reliability and product quality. Additionally, adhere to all safety guidelines for handling and using nicotine-containing products.