Sports Food Tribulus Terrestris - 95% Saponins, 80% Protodioscin - 1000 mg x 90 Capsules Bulgarian Extract - Natural Testosterone & Libido Booster for Men - High Strength Organic Herbal Extract
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The manufacturer claims 80% content of furastanol saponins (or ? 800 mg of Protodioscin/capsule) determined as Protodioscin.
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The testing method used : nuclear magnetic resonance spectroscopy
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Results : Protodioscin wasn't detected.
