People who drink FRESH...not freeze dried or powdered or Frozen wheatgrass juice.....Can get Sleepy....or get Diarrrea ....or Purge the First time they drink the fresh wheatgreaa juice....But when you CLEAN your HOUSE you do not have to clean it the next day....or soon again unless you are not careful how you care for the cleaning( what you eat afterward. The detoifying of the Yellow Bile in the stomach which may be full of antibiotics...barbituates(pain killers ..even from the dentist....toxins in processed food all get gathered in the bile ....that is trying to protect the kidneys liver bladder and spleen. The FRESH wheatgrass juice will "TRIGGER" the person to VOMIT>>>(detox)...Unfortunately many people stop and do not continue,,,,although later on they feel much better and refreshed....YET if their "doctor says that the medication that was just prescibed wiil possibly CAUSDE the same effect as a side effect from the toxins in the DRUG.....they PURGE and go on taking it. SOME people get there first single shot and feel shortly there after like they are 7 years old again....with ENERGY ...STAMINA and FOCUS in abdance.....WHEATGRASS IS non toxiant it detoxifys.....DRUGS HAVE...side effects. EASY choice....no brainer. 8 years growing it for the public....starting the 9th!