Primal man benefited from a powerful cure-all that continually coursed through his blood vessels. This substance -- made in the liver -- protected him from an overwhelming list of health challenges that, until recently, were rare causes of death. Due to a genetic error of metabolism, the vast majority of us no longer produce this panacea, making us increasingly susceptible to cancer, heart disease, osteoporosis, dementia, diabetes, and many other very costly, and often fatal maladies.

Thousands of scientific studies prove that sufficient quantities of this substance in the...