Best Mushroom Add-On Om Master Blend Organic Mushroom Powder The bulk of Om’s catalog is billed as “dietary supplements,” so its Master Blend is not exactly the kind of thing you’ll want to drink on its own. I tried this for science, of course, and it wasn’t terrible! There’s a vegetal flavor on the sip that tastes like potato water, and the finish has an astringent tingle that’s akin to the tiniest dose of Sichuan peppercorns steeped in hot water. Om really shines when it’s added to a cup of coffee brewed with beans from the Global South. One teaspoon of this sand-colored dust added a savory pop that smoothed out the brightness of my favorite Colombian Supremo beans from Costco, and the requisite jitters that usually kicked in after three cups of the brew felt mellower than usual with Om mixed in. The silty residue at the bottom of the cup is best avoided, but it won’t harsh your vibe too much on the whole.…