dr alex tan transfer factor plus breast cancer surgery surgeon

“Before I was skeptic but now I am a true believer of this product, and I recommend it to all my patients along with the medicines we administer.”

Alex L. Tan, M.D., FPCS, FPSGS

CalvinMcCausland

“4Life has proven itself to be a company that provides sound dietary supplements, in keeping with the latest research. This committment to providing revolutionary natural products is one that I am excited to help develop. I am particularly struck with the potential that exists for the transfer factor. Transfer factor is today where vitamins and herbs were 15 years ago.”

Calvin McCausland, PhD

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