Welcome to the Boxed-In Mycelium Index
Growing exceptional mushrooms is our craft.
Sharing what we've learned is our commitment.
The Boxed-In Mycelium Index is our growing collection of educational field guides covering mushroom tinctures, cultivation, laboratory practices, extraction methods, and functional mushrooms.
Whether you're exploring medicinal mushrooms for the first time or looking for deeper technical knowledge, every guide is written from firsthand experience in our laboratory and growing facility. Our goal is simple: provide practical information you can trust—free from hype and marketing shortcuts.
Field Guides
Field Guide No. 001
What's Really Inside Your Mushroom Tincture?
A complete guide to understanding mushroom tinctures, extraction methods, ingredients, and how to evaluate quality before you buy.
Field Guide No. 002
Fruiting Body vs. Mycelium: What’s the Difference?
Learn what fruiting bodies and mycelium are, how they differ, and why understanding the distinction matters when evaluating mushroom products.
Field Guide No. 003
Dual Extraction: Why Water and Alcohol Both Matter
A practical guide to how water and alcohol extract different mushroom constituents, why extraction methods vary by species, and what “dual extracted” really means.
Field Guide No. 004
Beta-Glucans: What Are They and Why Do They Matter?
A practical guide to understanding mushroom beta-glucans, how they're measured, and why they are only one part of evaluating mushroom quality.