Are there products to lower nitrites, if not please tell me how to lower them best!!!?

The absolute best product? It comes from a tap and is called water. If you're getting readings of nitrites it's for two reasons - your tank is having a cycle outbreak or you're quite simply not exchanging enough water. Chances are it's a combination of both. Snake oil won't fix it - only time and due diligence can account for repairing it.