Frequently Asked Questions About Host Defense® Products

Are your mushroom products safe?

Yes. Mushrooms have been used traditionally for centuries and modern research increasingly confirms that benefits in supporting human health.* As part of our quality control system, Host Defense conducts DNA analyses to confirm the identity and integrity of all of our mushroom ingredients. We have been conducting such confirmatory tests for many years.


Are Host Defense supplements appropriate for vegetarians and vegan diets?

Yes. Our Host Defense are vegetarian / vegan, containing no animal-based ingredients.


Are Host Defense supplements gluten-free?

Yes. Our Host Defense products are gluten-free! We adhere to all FDA "Gluten Free" labeling guidelines and standards.


If I'm allergic to mushrooms, should I use Host Defense supplements?

No. If you have a known allergy to mushrooms, please do not consume Host Defense supplements as they do contain mushrooms.


Can Host Defense supplements be used by children?

Out of an abundance of caution, we do not suggest that children take our Host Defense dietary supplements. For further guidance, please consult your doctor or pediatrician.


Can Host Defense supplements be used during pregnancy or nursing/breastfeeding mothers?

Out of an abundance of caution, we do not suggest taking our Host Defense dietary supplements during pregnancy or lactation. For further guidance, please consult your doctor or pediatrician.


What research supports the use of mushroom mycelium?

An easy search on or Google Scholar will yield many scientific studies that demonstrate the health-supportive properties of mycelium, especially from the last five years. Cutting edge researchers are increasingly focused on mushroom mycelium.


Can I taste test for quality?

Host Defense products contain a variety of tastes that vary depending on the species. It is important to remember that tasting alone cannot confirm the identity, integrity or quality of a mushroom supplement. There is no research to support the idea that taste testing mushroom powders can indicate activity or efficacy.


Where can I find more information about mushrooms and health?

There are many more articles about the health benefits of mushrooms in the "Mushrooms & Health" section of our blog.

*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.