Om Mushroom Superfood Cordyceps Review

Om includes the fruiting body alongside the mycelial biomass, where a pure mycelium product is just the fungal root network grown on grain. That's a genuine step toward more active content, because the fruiting body is where the beta-glucans concentrate. The catch is that Om's mycelium is still cultured on oats and dried with the substrate, so there's grain carryover in the powder, and the listing doesn't publish a beta-glucan number. So it's better-positioned than pure mycelium-on-grain, but it's still a whole-food product rather than a concentrated fruiting-body extract like the top three picks.

Yes. The label serving is 2,000 mg, which is three capsules, and the bottle is 90 capsules — so that's 30 servings, about a month at one serving a day. It's a larger gram dose per serving than most picks, but it means you go through the bottle quickly, which hurts the value math. If you'd prefer fewer capsules per day and a longer-lasting bottle, a 2-capsule fruiting-body extract (Real Mushrooms #2, FreshCap #1) stretches further.

Yes, and it's a real strength: USDA Certified Organic, grown, dried, and milled in the USA, and third-party tested for purity and potency on each batch. That sourcing-and-testing transparency is exactly what you want from a cultured fungal product. The one gap is that 'tested for potency' doesn't translate into a disclosed beta-glucan figure on the listing — so we record 'not stated' for the beta-glucan number rather than inventing one.

It's the right species (militaris) in a full-spectrum form, so it's a reasonable support — but keep expectations measured. Cordyceps' human endurance evidence is limited and mixed: a militaris blend improved VO2max and time-to-exhaustion after 3 weeks in one small trial (Hirsch 2017, PMID 27408987); CS-4 improved sub-maximal thresholds but not VO2max in another (Chen 2010). The cordycepin-to-cellular-ATP mechanism is coherent (Tuli 2014; Hsu 2020) but unproven in large human trials. Take it daily for several weeks, pair it with training, and treat any gain as a bonus.

Buyers who specifically prefer a 'full-spectrum, whole-food' organic product — mycelial biomass plus fruit body, USDA-organic, U.S.-made, batch-tested — over a concentrated extract. It's a trustworthy, well-made choice in that philosophy. But if your priority is the most verified active content per capsule, a fruiting-body extract with a disclosed beta-glucan number (Real Mushrooms #2, FreshCap #1) beats it, and for the lowest cost-per-day a CS-4 value pick (Double Wood #8) is cheaper.

1. [1] Hirsch 2017 PMID 27408987 — Cordyceps militaris Improves Tolerance to High-Intensity Exercise After Acute and Chronic Supplementation. 28 healthy adults, randomized double-blind placebo-controlled: a Cordyceps militaris–containing blend (4 g/day) improved VO2max and time-to-exhaustion after 3 weeks. The strongest human signal for militaris and endurance — small and in a blend, supporting chronic dosing and measured expectations.
2. [2] Tuli 2014 PMID 28324458 — Pharmacological and therapeutic potential of Cordyceps with special reference to Cordycepin. Review of cordycepin, the principal bioactive of Cordyceps militaris. The basis for valuing the fruiting body (where beta-glucans concentrate) and why a concentrated extract beats a whole-food oat-grown product on active content.
3. [3] Choi 2020 PMID 33312018 — Beneficial Effect of Cordyceps militaris on Exercise Performance via Promoting Cellular Energy Production. Animal model: Cordyceps militaris extract improved exercise performance via increased cellular ATP production (AMPK pathway). Supports the coherent energy mechanism — preclinical, so endurance benefit is framed as promising, not proven.