Canada's Favourite Natural Energy Source. Many people face an energy crisis everyday. The increasing demands of everyday life, the never ending â€œto-do list", the long hours at work, family activities, household chores - no wonder you don't have enough mental or physical energy! And coffee isn't the best solution, as it eventually drains you. NUSOURCE NATURALS ENERGY is the all-natural fast-acting, long-lasting fatigue-fighter that positively donates energy and makes you feel alert, but not wired! Rich in immune-supporting nutrients, ENERGY will make you feel great in body and mind, helping you work and play better everyday.