Is Double Wood Lion's Mane Good?
Whole ground mushroom (fruiting body, mycelium, and extracellular compounds together), 1,000 mg per two-capsule serving, independently tested by a named ISO-accredited lab. No beta-glucan percentage is published.
What the label discloses
Double Wood's own product page describes each two-capsule serving as 1,000 mg of organic Lion's Mane covering the "entire fruiting body, mycelium, and extracellular compounds." That's a different approach from a concentrated extract: rather than reducing a larger amount of raw material down to a smaller, more potent dose, the product is ground whole mushroom at that weight. Other ingredients listed are hypromellose (the capsule itself) and rice flour.
On testing, the product page names a specific outside lab: NutraSolutions USA, in Deer Park, NY, described as an ISO/IEC 17025:2017-accredited laboratory. Disclosed testing covers identity verification, active-ingredient potency, microbial analysis (bacterial, mold, yeast, E. coli, Salmonella), and heavy metals screening (lead, cadmium, arsenic, mercury via ICP-MS). That's a named, accredited outside lab, which is a stronger disclosure than a brand that only claims "third-party tested" without saying by whom.
Worth knowing:that named lab's testing scope is identity, potency, microbial safety, and heavy metals, not a beta-glucan assay. A buyer can verify this product isn't contaminated and matches its label claim, but still can't compare its beta-glucan content to a brand like Real Mushrooms, which publishes a guaranteed percentage.
Our Pick
Double Wood Supplements Lion's Mane Mushroom Capsules
Whole ground mushroom (fruiting body, mycelium, extracellular compounds), 1,000 mg per 2-capsule serving. Independently tested by a named ISO/IEC 17025-accredited lab for identity, potency, microbials, and heavy metals; no beta-glucan percentage published.
We may earn a commission if you buy through this link, at no cost to you.
For a brand that publishes a guaranteed beta-glucan percentage, see the Lion's Mane Supplement Guide. For the full extraction and dose comparison across named brands, see the Lion's Mane hub.
Frequently Asked Questions
Sources
- Double Wood Supplements, Lion's Mane Mushroom product page: Brand's own ingredient disclosure, named independent lab, and testing scope