About Dr. Hennen

Dr. William Hennen

With a Ph.D. in Bio-organic and Medicinal Chemistry, post-doctoral specializations in enzymatic and hormonal processes, nearly four decades’ experience in natural drug and nutritional supplement design, over 40 substantial publications, and a reputation for “next gen” products that address issues at their root, Dr. Hennen is widely known as a leading supplement scientist. Having led the development of transfer factor products since the 1990s, with estimated sales exceeding $3 billion, Dr. Hennen is also revered, by many, as the “father” of transfer factor supplementation.