STANDARDIZED STINGING NETTLE ROOT EXTRACT AT 2% SILICA: Each Pure Science Stinging Nettle Root Extract capsule delivers 300mg of potent Stinging Nettle Root Extract [Standardized to 2% Silica] and 200mg of Stinging Nettle Root Powder. Pure Science values consistent potency in every capsule. Silica is an active ingredient in Nettle Root that makes your hair and nails stronger and encourages blood circulation, therefore, reduces hair shedding. PROMOTES PROSTATE HEALTH & URIC ACID EXCRETION: Pure Science Stinging Nettle Extract powder is also a reliable diuretic that encourages excretion of uric acid while simultaneously discouraging nighttime bathroom urges, making it remarkable for the bladder, adrenals, kidney and prostate health. INCREASES FREE TESTOSTERONE: Pure Science Stinging Nettle capsules contains compounds that bind to sex hormone binding globulin (SHBG), leading to increased levels of free testosterone for improved sexual health, performance, and easier muscle building. GOOD MANUFACTURING PRACTICES CERTIFIED: Produced by GMP certified facilities with the highest manufacturing and sourcing standards of Pure Science. 'Rooted in Science, Backed by Research' as its motto, Pure Science Supplements focuses on producing the best and safest products for our customers to achieve greater vitality in mind and body by using only the best raw materials obtained through rigorous research. MONEY-BACK GUARANTEE: As we are confident of the efficacy of Pure Science Stinging Nettle supplement, all purchases are backed by a 100% money-back guarantee should you be unsatisfied. Our products are potent for 2 years from manufacture date.