Mushroom Atlas

Is Double Wood Lion's Mane Good?

What this page covers:what Double Wood Supplements' own product page discloses about its Lion's Mane capsules, form, and testing. It does not evaluate every Double Wood product or compare pricing across retailers. Check the brand's own product page, linked below, for the current label.
In one line

Whole ground mushroom (fruiting body, mycelium, and extracellular compounds together), 1,000 mg per two-capsule serving. The brand names an outside lab it describes as ISO-accredited. No beta-glucan (an immune-supporting carbohydrate found in mushrooms) 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, which the brand describes 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, a lab method for measuring trace metal levels). Naming a specific lab is a stronger disclosure than a brand that only claims "third-party tested" without saying by whom, though the site hasn't independently verified the lab's accreditation or results itself.

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.

Brand Names an Independent Lab; No Beta-Glucan % Published
Double Wood Supplements Lion's Mane Mushroom Capsules

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.

$22.95 / 120 capsulesCheck Price on Amazon →

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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.

More Lion's Mane Reviews

Frequently Asked Questions

Is Double Wood Lion's Mane an extract, or whole mushroom?

Whole mushroom, not an extract. The brand describes each serving as ground Lion's Mane containing the "entire fruiting body, mycelium, and extracellular compounds," rather than a concentrated extract ratio.

Is Double Wood Lion's Mane third-party tested?

Yes, and it names the lab: NutraSolutions USA in Deer Park, NY, described as an ISO/IEC 17025:2017-accredited laboratory. Testing covers identity verification, active-ingredient potency, microbial screening, and heavy metals (lead, cadmium, arsenic, mercury via ICP-MS).

Does Double Wood publish a beta-glucan percentage?

No. The independent lab testing named on the product page covers identity, potency, microbial safety, and heavy metals, but no beta-glucan-specific figure is published.

How does whole mushroom compare to a fruiting-body extract?

An extract like Real Mushrooms' or Nootropics Depot's concentrates specific compounds from a larger amount of raw material into a smaller dose. Double Wood's whole-mushroom approach uses the ground fruiting body, mycelium, and extracellular compounds together at 1,000 mg per two-capsule serving, without concentrating any single compound class the way an extract does.

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