What type of nicotine alternative does my vape juice contain? Our products use nicotine alternatives and nicotine salt alternatives sourced from the industry-trusted American supplier Nicotine River. Nixodine-S Propylene Glycol (PG) - Safety Data Sheet.pdf Nixodine-S Vegetable Glycerin (VG) - Safety Data Sheet.pdf Nixodine-S Salts Propylene Glycol (PG) - Safety Data Sheet.pdf Nixodine-S Salts Vegetable Glycerin (VG) - Safety Data Sheet.pdf