PRODUCT DELIVERY All culture products are shipped immediately upon receiving your order, but only on Mondays, Tuesdays and Wednesdays. That way they do not sit in a UPS truck or warehouse over the weekend. They are sent Second Day Air, United Parcel Service in a special "Foam Cold Pack". It would be advisable for you to be home when they arrive or make arrangements for the package to be brought in and put in the refrigerator as soon as possible. Any product deterioration will be minimal and it is something we all have to deal with in the best way we can. The potency is so high that a little loss can be tolerated. Make sure you have read the above instructions. Start slow and build up to higher amounts as time allows. High input over a period of several months is necessary in order to complete the job requirements. You are literally undoing what damage has been done. It is better to do a little too much, then not enough. WE ARE SO CONFIDENT IN YOUR SUCCESS ON FRIENDS FOR LIFE THAT WE OFFER A 100% MONEY BACK RETURN GUARANTEE!