found a good article on this product that talks about its ability to free up bound testosterone:
Source:
A member of the grass family native to Scotland, there are some twenty five varieties of the oat plants, Avena sativa is the species that is used in herbal supplements. The seeds mature in the late summer and early fall. Once the seeds are harvested, the straw from the plant can be cut up and brewed as special teas. The husks surrounding the seeds are used for cereal such as oat bran.
Traditional uses:
Avena sativa is Latin for wild oat, Some believe the idiom "sowing your wild oats" is based on the observation that stallions given wild oat experienced greater sex drives. Historically, Avena sativa was prescribed as a traditional botanical medicine for the treatment of disorders of the liver, kidney and joints. The herb was also used as a tonic to help control the nerves, depression and as a natural aphrodisiac and strength enhancer for both and women.
Clinical studies:
Modern studies at the Institute for Advanced Study of Human Sexuality have shown that Avena sativa helps improve libido dramatically. They have shown that Avena sativa exerts its action by freeing up testosterone. Bound testosterone is not as effective as free testosterone in promoting sexual desire. Free testosterone also increases stamina and promotes muscle growth. The study also showed that both males and females have reported positive results including better stamina and an overall feeling of well being.
Additional clinical studies have shown that Avena sativa is also important in the lowering of cholesterol and assisting individuals in their efforts to quit smoking; The Cholesterol Lowering Effects of Oats (The Lancet, August 10 1973 pg-303), Pharmacotherapy with Avena Sativa - a Double Blind Study., Int J Clin Pharmacol Biopharm. 1976 Oct;14(3):214-6, Schmidt K, Geckeler K,
Modern day uses:
Today, Avena sativa is prescribed for the following:
Libido enhancer for increased sexual drive in both men and women
Decrease in the cholesterol levels, hence a reduction in the risk for cardiovascular disease.
Recognized as a natural anti-depressant and a mild sedative
Used as calming effect it can relieve tension, insomnia, anxiety, nerve pain and chronic fatigue.
Antioxidant properties
Precautions and/or adverse effects:
Individuals with preexisting medical conditions should consult with their physician particularly if they are taking prescription or over-the-counter-medications or supplements. Women who are pregnant or breast feeding and children should also consult with there physician prior to taking any new supplements. More specifically, there have been very few reports of any side effects associate Avena sativa at the time of this writing. However, individuals with a history of celiac spru or and allergies associated with oats or grains should not use the herb.