Have you ever tried using or heard of PreSeed?

I've been trying for 3 years and I finally came across this PreSeed thing that's supposed to help with conceiving. I've read the reviews about it on different websites and 99% of them were really good. Some people say they got pregnant the same month. I jst want to knw if anyone here ever heard of it or tried it and it worked? If so when did you use it and how long did it take you