Huperzine A May Be Used For Both Short-Term "Brain Boost" Needs, Such As Preparing For A Test, As Well As More Long-Term Needs, Such As Reducing The Mild Memory Loss Associated With Normal Aging Suggested Use: 1 Tablet 1 To 2 Times Daily Allergies: Contains No Yeast, Dairy, Egg, Gluten, Corn, Soy Or Wheat. Contains No Sugar, Preservative, Or Artificial Color, Flavor Or Fragrance Over 40 Years Of Trust. Source Naturals Was Created In 1982 By Ceo Ira Goldberg To Support Everyoneã¢ÂS Potential To Enjoy Optimal Health Manufactured In The Usa. Manufactured In Scots Valley, Ca, Under The Good Manufacturing Practices (Cgmps) Established By The Us Food And Drug Administration (Fda)