• 4T-INJ Unicorn Bag labeled Red Reishi (Ganoderma lucidum) with hand holding Liquid Culture syringe inoculating Sterilized Grain for ed Reishi (Ganoderma lucidum) Grain Spawn with white background.
  • Close-up of a cluster of Red Reishi (Ganoderma lucidum) mushrooms on a white background.
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Red Reishi (Ganoderma lucidum) Grain Spawn

$25.00 USD
$30.00 USD $25.00 USD
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Red Reishi mushrooms have a woody, lacquered appearance and are used exclusively for medicinal purposes due to their bitter taste. Revered in Eastern medicine for over 2,000 years, they are believed to support immune modulation, liver health, and stress reduction. Typically consumed as extracts, teas, or capsules, they contain triterpenes, polysaccharides, and peptidoglycans.

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Hand holding up partially colonized Shiitake Whole Oat Grain Spawn in a 4T-INJ Unicorn bag with a white background.

About Our Grain Spawn

Built on the same Unicorn 4T-INJ bag platform as our sterilized grain, this spawn is inoculated to order with low-passage, agar-verified culture for clean, vigorous growth. Because it’s freshly inoculated, the bag will arrive partially colonized—or colonization may become visible within a few days, depending on species and shipping conditions. Hydration and gas exchange are tuned for fast, even colonization.

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Grow Guide

Ganoderma Lucidum
Ganoderma lucidum is one of the classic reishi species discussed in modern references and traditional use. It is known for a bitter taste and a tough fruiting body, so most people use it as tea or extracts.

Distribution and naming can get messy in the reishi world, but the takeaway for buyers is simple. This is a functional, bitter, woody mushroom you grow for processing, not for sautéing.

Best fit if you want to run a reliable reishi project on hardwood substrates and make your own tea, tincture, or dried slices.

Restricted FAE encourages antlers. Increase FAE for conks.
  • Medicinal
  • Functional supplement
  • Hardwood pellets or sawdust
  • Hardwood supplemented w/ bran
  • Hardwood & soy hulls (Master's mix)
  • Indoor
  • Side-Fruiting
Indirect light; 12 hours on, 12 hours off; Avoid strong direct light
  • Intermediate

Compounds Identified in Ganoderma Lucidum

Every strain carries its own chemical signature. These are the compounds found in this species — documented in the scientific literature for anyone who wants to dig deeper.

4 Active Compounds

  • Ganoderic acids and Ganoderma triterpenoids

    Known Benefits

    • Hallmark Reishi compounds. Reviews consistently describe anti inflammatory and immunomodulatory activity in preclinical studies, including effects on inflammatory mediator signaling.

  • Beta glucans and polysaccharides

    Known Benefits

    • Immune modulation via pattern recognition receptors including Dectin-1. Supports innate immune signaling and downstream adaptive responses. Often studied for immune resilience and inflammation balancing.

  • Ergosterol

    Known Benefits

    • Provitamin D2 precursor in mushrooms. Converts to vitamin D2 with UV exposure. Also reported antioxidant and anti inflammatory activities in reviews.

  • Phenolics and polyphenols

    Known Benefits

    • Antioxidant and anti inflammatory actions. Often linked to improved oxidative stress markers and to gut microbiome interactions that may influence metabolic and cardiovascular health.

Frequently Asked Questions

While other methods may work, we prioritize quality and consistency. We utilize a thorough clean, soak, heat, and strain method that fully prepares the grain before sterilization. This additional effort results in a more consistent, high-quality grain that optimizes mycelium colonization and ensures stronger, healthier growth.
We only use the industry standard Unicorn Bags. 3 pound bags use 4T-INJ Bags and the 5 pound bags use a 3T. Both Include a 0.2-micron filter patch for controlled airflow and a secure injection port, facilitating easy inoculation with liquid cultures or spore syringes.
Colonization rates upon receipt will vary based on variety, transit time and temperature. Grains are Inoculated to order, so in most cases you will see visible mycelial growth upon receipt, but it's possible this will not occur until a couple days after. This depends on species and temperatures the grain spawn is exposed to during transit.
Keep in a cool, dark place during and after colonization. Once the bag reaches ~25% colonization, perform a gentle break and shake to redistribute mycelium and speed completion. Avoid opening until fully colonized and ready to expand into your substrate.