Scientists report that the strength of your immune system—at least 70% of which is located in your gut—relies on the makeup of your intestinal bacteria.^1,2

Put differently, the estimated 100 trillion bacteria living in your gut are the human equivalent of an environmental ecosystem. And like global ecosystems, our personal microbe population is losing its diversity—and threatening our health as a result.³

For years, scientists believed brain shrinkage was inevitable and irreversible.

Cutting-edge research has shown that brain cells can regenerate.

An amino acid called taurine plays an important role in creating new brain cells.