Hi Dala, welcome to the thread 
Throat hit isn't really related to the nicotine content, but more the proportion of PG to VG in the fluid - PG gives throat hit, PG increases vapour (I think it's that way round anyway!). Depending on the brand you usually seem to get between 50% and 80% PG; some of the small on-line traders will actually mix your juice to a range of blends depending on your preferences.
Trying out different brands of ready made juices might help you find one with lower nicotine but the same throat hit, or you could even go down the path of mixing your own 