From the Vendor: Greenhorn 10:1 extract (not to be mistaken with the strain “Green Horn”), is highly potent and effective. greenhorn Extract 10:1 is popular with our clientele, because of it’s well rounded, high potency effects. Extracted with the highest care, lab tested for safety and formulated with the Kratom connoisseur in mind, who is looking for a pure Kratom experience. Kratom extracts could be beneficial on those days were a extra boost or relief is needed. Due to the potency of these extracts, a daily regiment is not advisable.