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4 Corners Cannabis is a retailer of CBD products including, CBD tinctures, CBD salves, CBD oils, CBD pet products, and edible CBD. They are located in Colorado, and have been using locally-grown cannabis in their CBD products for many years. We tested the 4 Corners Cannabis 4 Mind & Body Sweet Citrus Tincture, and kudos to 4 Corners! It tested almost exactly to what the label claims. 4 Corners Cannabis is one of our recommended brands here at Real Tested CBD.