TA-65 is a dietary supplement. The active ingredient is isolated from roots of Astragalus species. The active ingredient has been proven to activate an enzyme called telomerase. TA-65 in intended to supplement the diet to increase the general health through telomerase activation. The active ingredient has poor oral bioavailability in humans. The current study is aimed at assessing the bioavailability of the active ingredient with different formulations designed to enhance the bioavailability.