MEMORY EXAMS TEA HERBS TO IMPROVE THE MEMORY , HELPFUL FOR BOTH REVISING AND ALSO HELPFUL FOR ALZHEIMERS SUFFERERS EACH SACHET IS ENOUGH FOR ONE WEEK AND ALTHOUGH THIS IS ENOUGH FOR A QUICK FIX, FOR A FULL HERBAL REGIME 4 TO 6 WEEKS IS THE RECCOMMENDED AMOUNT, .IT IS SAFE TO TAKE UP-TO 3 DIFFERENT TYPES OF HERBAL REMEDY TEAS A DAY, ALTHOUGH IF YOU ARE CONSIDERING THIS PLEASE EMAIL ME FIRST TO CHECK THE COMBINATION IS OK AS CERTAIN HERBAL EXTRACTS "FIGHT" EACH OTHER AND MAY CANCELL EACH OTHER OUT. HERBAL TEAS, SPECIFIC REMIDIES BY HERBAL PRACTITIONER...EACH IS BLENDED TO HELP WITH DIFFERENT PROBLEMS . EACH SACHET CONTAINS ENOUGH FOR A WEEK, TAKING 3 CUPS A DAY...TEA INFUSERS ALSO AVAILLABLE AT SAME PRICE AS TEAS JUST ENTER THE AMOUNT YOU WANT THEN EMAIL YOUR CHOICE e.g. ORDER 2 ITEMS THEN EMAIL..(1 DE-TOX TEA AND 1 INFUSER )I HAVE BEEN QUALIFIED 12 YEARS AND HAVE B.Sc HONOURS DEGREE, DIPLOMA IN HERBALISM AND I AM A MEMBER OF THE B.H.M.A. ( THE BRITISH HOLISTIC MEDICAL ASSOCIATION)