I only received the product a few days ago, so I won’t be able to comment yet on its effects. However, I dod reach out to say I’m very unhappy with the shipping service. I live in Canada and make frequent orders to the US, and know that there are decent shipping services available. Neurohacker Collective could be doing much better as far as choice for shipping for their international customers. This is a premium product. Why choose the worst choice for shipping? Also, the client saves money w...Read more.