From our facility to your doorstep. Our one of a kind Nicotine River Concentrates are created in-house using only the highest quality of flavors. Nicotine River Concentrates are not created on a molecular level, instead, they're created using popular and professional flavor companies throughout the industry. We can assure you that although these flavors are created using other companies, their uniqueness and the incredible taste is incomparable. Either by itself or with other flavors, these concentrates are destined to leave you satisfied. Try a Nicotine River concentrate today!