Rated 4 out of 5 by 2 reviewers.
Rated 3 out of 5 by Lizzie99 Undecided! I have only been taking these tablets for a fortnight and am undecided whether they are effective or not. There is no adverse effect but I haven't invested in a second packet yet. I'm still assessing whether driving in the dark is more comfortable. 16 June 2015
Rated 5 out of 5 by Skyfall Excellent product! Excellent product, try never to be without it. Expensive though so do try to take advantage of offers. 14 March 2013
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