Puresterol® | Pueraria mirifica (AF) is a proprietary, alcohol-free extract of the Thai botanical Pueraria mirifica, traditionally used* to support skin vitality, women’s health, and graceful aging.* Known for its rich profile of phytoestrogens—most notably Miroestrol and Deoxymiroestrol—Pueraria mirifica has earned a reputation as the “Fountain of Youth” herb in Southeast Asian wellness traditions.*

Bio-Botanica’s Puresterol® is a patented (U.S. Patent #7,658,955), proprietary extract standardized for:

• ≥ 3000 mcg/100g Miroestrol

• ≥ 20 mg/100g Isoflavonoids

Produced using our Bio-Chelated® cold extraction process, this alcohol-free format is ideal for clean-label topical and ingestible applications. Puresterol® has been clinically studied in two double-blind, placebo-controlled trials, demonstrating statistically significant reductions in both wrinkle depth and length after 28 days of topical use. In vitro research also shows inhibition of collagenase, helping to preserve skin firmness and structure.*

Puresterol® | Pueraria mirifica, AF is the go-to ingredient for brands seeking a clinically supported, highly standardized, plant-based extract for women’s health and beauty-from-within formulations.

*The traditional uses described are not validated in multiple, well controlled, clinical scientific studies. These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.