You have made a total of four posts - and the last three have been spamvertisements for a product sales site complete with your affiliate link. Oddly enough, your testimonial looks very similar to others I have seen on the net by completely different people - who also posted affiliate links to that site.
There is an appropriate forum for commercial posts here - this is not it.
To answer in part your question about mushrooms, of course some do. Here is a recently updated article: