Double Wood Cordyceps Review

Because Double Wood discloses 7% polysaccharides, which lumps together alpha-glucans and beta-glucans — and only the beta-glucans are the well-characterised active fraction in medicinal mushrooms. Alpha-glucans are largely starch-like and can come from the growing substrate. So a '7% polysaccharide' figure is less informative than a clean beta-glucan number like Real Mushrooms' >8% or FreshCap's 32%, because you don't know how much of the 7% is actually beta-glucan. It's still more disclosure than the value picks that state nothing — which is genuinely to Double Wood's credit — but it's a softer spec.

Pure cost-per-capsule. At roughly $20 for 210 capsules — about a 3.5-month supply at the two-capsule serving — nothing on the list is cheaper per capsule. And unlike most rock-bottom-priced bottles, Double Wood does two things right: it discloses a potency figure (7% polysaccharides) and it emphasises third-party testing plus a money-back guarantee. So you're getting the lowest cost-per-day with at least some transparency, which is why it's the value pick despite the label not naming a species.

Not stated on the label. The Supplement Facts panel and both physical label photos say only 'Cordyceps Mushroom Extract ... Entire Fruiting body' — no species name, and no mycelium is listed as an ingredient. Because the species isn't printed, we can't confirm whether this is the cordycepin-richer militaris type or the more commonly used sinensis type; general Cordyceps research shows sinensis carries less cordycepin than militaris (Tuli 2014), and the older human exercise trials (Chen 2010) used a standardised sinensis extract (CS-4). Until Double Wood specifies a species, treat any cordycepin-specific comparison to the explicitly-militaris picks as unverified rather than a documented weakness.

Yes — Double Wood emphasises third-party testing and backs the product with a money-back guarantee, which is a reasonable trust story for a budget brand. Combined with the disclosed 7% polysaccharide spec, that's more transparency than most value cordyceps offer. We state only what the listing supports: it discloses total polysaccharides, not a clean beta-glucan figure, and no cordycepin number.

Modestly at best, over weeks. The label doesn't print a species name, so we can't confirm this is the higher-cordycepin militaris type — and the general human data is mixed either way: Chen 2010 found a standardised sinensis extract (CS-4) improved sub-maximal exercise thresholds over 12 weeks but not VO2max, while Hirsch 2017 found a stronger endurance signal on a confirmed Cordyceps militaris blend. Without a confirmed species, treat that evidence as general reference rather than trial-matched to this exact product. So keep expectations measured — take it consistently for several weeks, pair it with training, and treat any improvement as a bonus. The cheap, long-lasting supply at least makes a consistent multi-week run easy and affordable.

1. [1] Chen 2010 PMID 20804368 — Effect of Cs-4 (Cordyceps sinensis) on exercise performance in healthy older subjects: a double-blind, placebo-controlled trial. 20 healthy older adults, 12 weeks: CS-4 (Cordyceps sinensis) improved metabolic and ventilatory thresholds versus no change on placebo — but VO2max did NOT change. Cited as general reference evidence for sinensis-type extracts; Double Wood's own label does not state a species, so this trial cannot be confirmed as directly matching this product. Evidence is for sub-maximal exercise economy, not peak aerobic power.
2. [2] Hirsch 2017 PMID 27408987 — Cordyceps militaris Improves Tolerance to High-Intensity Exercise After Acute and Chronic Supplementation. Cited as the contrast: a Cordyceps militaris blend improved VO2max and time-to-exhaustion after 3 weeks. The stronger endurance signal is documented for confirmed-militaris extracts; Double Wood's label does not state which species it uses.
3. [3] Tuli 2014 PMID 28324458 — Pharmacological and therapeutic potential of Cordyceps with special reference to Cordycepin. Review of cordycepin, the principal bioactive of Cordyceps militaris. Explains why sinensis (which carries little cordycepin) ranks below a militaris fruiting body on active content, and why beta-glucans — not total polysaccharides — are the meaningful active fraction.