Professional BI-EST+ Serum by Quicksilver Scientific lean body mass STEMREGEN® Sport helps athletes recover

STEMREGEN® Sport helps athletes recover faster and maintain peak performance

Not recommended for pregnant or breastfeeding women

L–Phenylalanine

Helps maintain collagen*

Professional BI-EST+ Serum by Quicksilver Scientific lean body mass STEMREGEN® Sport helps athletes recoverUnleash your natural beauty with Professional BI EST+ by Quicksilver Scientific. Our topical serum features 1mg of bioidentical estriol and 0. 25mg of bioidentical estradiol per 2 pump dose, derived from phytosterols for optimal absorption. Now with L theanine, EGCG, and other extracts to soothe and nourish your skin. For external use only. Nourish your skin with Professional BI EST+. This topical serum contains 1 mg of bioidentical estriol (E3) and