Landing page sale copy that converts

I need a landing page for this site: golferzen.com
The purpose of the landing page is to convert traffic from Facebook, Google ads, and YouTube. The main message of the product is that a golfer's biggest problem is focus and concentration. Our product is a nootropic and has vitamins and ingredients shown to increase focus and concentration. They need to use it every time they practice to have a perfect practice. They need to play every round of golf while using our product. We also sell an energy supplement so that they are at peak performance for the whole day. Our product is like hitting the easy button. Just by swallowing a pill they get instantly to the top of their personal best performance. In addition, our product acts as a mood enhancer. Playing golf can be maddening. Our product helps them recover from a poor shot faster to have the right mental mindset for the next play. On top of that, they will just enjoy the game better. If you google the importance of focus, concentration, quality practice, and mood and emotional stability in the game of golf you should see how these factors would be extremely appealing to every golfer. GolferZen is the only product health supplement line made specifically for Golfers. Also, google "Nootropics" and see all of the data on how these combinations of vitamins and ingredients will have a profound effect on the items listed above.
When submitting your offer please first tell me that you have a portfolio of successful projects for e-commerce. Bonus points if your experience involves health supplements and or Golf. I need to speak the language of our buyer. Most of all I care about results. I need to see that by hiring you I will get a very high-quality landing page that CONVERTS. I will dismiss your offer if you do not speak to this point. Lastly, I need you to tell me HOW you plan on converting our traffic on the landing page.