What transfer factors have you all taken with great success, leas amount of side effects, and life given back to you? Name type of Tf and amount you take. Lets all compare what we have done. Also...are any of you on the 4life transfer factor? Several times I have called on the 4Life brand Tf and they rave on how they have the patent on Tf that nobody else has???mmmm. So, whats the difference then in power between the essentials vs. 4Life??? This is a lot to cover but thanks to all for writing. Hope it helps others too. Happy Holidays to everyone out there. Blazer.