Longevity Project - More About Telomeres

Once again astragalus is suggested.

Recommended Dosages

University of Maryland Medical Center: 250 to 500 mg standardized extract three to four times daily
Drugs.com: Do not take astragalus root for more than seven consecutive days.
Source

This suggests that perhaps a regimen could be followed each month where for one week one would supplement with Astragalus and then go three without.