Starting to REALLY like your logo: the winged tooth (looks like a heart too, which is a plus)
Could you try these variations? #18 and #19 with different color scheme - maybe red/orange like sunset #18: green solid tooth, as you have it, but without the circle outside #20: have tooth bigger and intertwine with the words - like overlapping somehow; straight through the middle or just partial overlap
1. Could you do your entry #18 (currently ranked #1) and #20 in the same blue color, or slightly lighter blue, as in entry #29? 2. And if you could do one where the letters are not all upper case: NuGen.