Hey Dfleurs, I get my Reishi at Swanson Vitamins. Not too bad of price. I use the liquid extract.

Also, I use Ainterol's PM extract, easier on the digestive tract and more bio available as well. Price wise, I have had a bottle of 30 ml for about 5-6 weeks. But then, I only use 3-4 drops under my tongue 3x per day.

Hope this helps