Immune Dietary supplementMedicinal Fungus (Ganoderma lucidum / Lingzhi)

Reishi

Ganoderma lucidum · Ling Zhi

Evidence: Studied in humans. Example dose: finalize with a provider. Not a fact-check stamp.

1-3g daily – 1-2 g Oral 1-2x daily

Traditional Chinese MedicineImmune ModulatorCalming Adaptogen

Reishi (Ganoderma lucidum, also known as Lingzhi in Chinese) is a medicinal fungus with a 2,000+ year history in Traditional Chinese Medicine. Often called the 'mushroom of immortality' for its longevity claims. Active compounds include β-glucans (immune modulators), triterpenes (ganoderic acids - anti-inflammatory, hepatoprotective), and ergosterol derivatives.

Quick Start

Route

Oral capsule, powder, or tea/decoction

Start low

1-3g Oral

Frequency

1-2x daily

Timing

With or without food

Evening dosing for sleep support; morning for adaptogen use.

❋

Start here. Every protocol below is ordered lowest-first. Begin at the smallest effective dose, hold about a week to assess tolerance, and step up only if needed.

Tiered Protocols · lowest first

Conservative start

1-3g daily · Oral capsule, powder, or tea/decoction · 1-2x daily

conservative starter

1-3g daily

1-2x daily

Standard

Longevity & Calming Adaptogen

1-2 g · Oral · Daily

human clinical trial · Gao et al. 2003 (Immunol Invest 32(3):201-215)

Dual extraction (hot water and alcohol) is required to access both beta-glucans and triterpenes.

1-2 g

Daily

◆

How it works

Reishi acts through multiple bioactive families:

β-Glucans

Activate dendritic cells and macrophages via Dectin-1 and complement receptor 3 - shifts immune balance toward Th1 in infection contexts and modulates inappropriate Th2/Th17 in autoimmune contexts.

Triterpenes (Ganoderic Acids)

Anti-inflammatory via NF-κB modulation; hepatoprotective via antioxidant and Phase 2 detoxification enzyme upregulation.

Ergosterol Derivatives

Vitamin D2 precursors; modulate inflammation.

Calming / Sleep Effects

Mechanism less clear but consistent in clinical trials. May involve GABAergic modulation and sleep architecture improvement.

Long-Term Tonic

Effects accumulate over weeks-to-months; not an acute therapy.

What to expect

Early

Days 1–7

Days 1-14: subtle subjective effects.

Mid

Weeks 2–4

Weeks 2-8: peak adaptogen and immune-modulation effects.

Later

Weeks 4–12

Long-term: continuous use is traditional.

Evidence

HumanPresent

AnimalStrong

In-vitroPresent

Each reference below was re-fetched from its PubMed record, and the quoted sentence was confirmed to appear in that abstract and to support the claim it sits under. Follow any of them to read the source.

The presence of numerous micro-, macro, and trace elements imparts an essential nutritional and cosmeceutical value to Reishi, and various marketed products are available already, but the clinical studies regarding safety and efficacy, interactions with foods/drinks, chronic use, teratogenicity, mutagenicity, and genotoxicity are missing for Reishi.

The presence of numerous micro-, macro, and trace elements imparts an essential nutritional and cosmeceutical value to Reishi, and various marketed products are available already, but the clinical studies regarding safety and efficacy, interactions with foods/drinks, chronic use, teratogenicity, mutagenicity, and genotoxicity are missing for Reishi.

Ganoderma lucidum (Reishi) an edible mushroom; a comprehensive and critical review of its nutritional, cosmeceutical, mycochemical, pharmacological, clinical, and toxicological properties. Phytotherapy research : PTR · 2021 · PMID 34411377

Evidence scope. Critical review explicitly identifies missing clinical safety/efficacy data; it does not establish safety of the card regimen.

Claims we could not support

No abstract we checked supports these for this molecule at this route. That is not the same as saying they are false — it marks where the evidence is missing.

Dose/route: 1-3g daily via Oral capsule, powder, or tea/decoction, 1-2x daily. No checked live PubMed abstract supported this complete molecule/formulation/route/dose/frequency combination.

Mechanism: Reishi acts through multiple bioactive families: 1. β-Glucans: Activate dendritic cells and macrophages via Dectin-1 and complement receptor 3 - shifts immune balance toward Th1 in infection contexts and modulates inappr. No checked live abstract supported this full mechanistic claim at the card's formulation/route without extrapolation.

Exact-regimen safety: Mild GI upset. The verified safety row does not establish incidence or severity at every element of the card's exact regimen.

Side effects & safety

Commonly reported

Mild GI upset
Dry mouth
Possible mild dizziness early

Less common & notes

Allergic reactions to fungal protein.
Theoretical bleeding risk (antiplatelet activity).
Hepatic effects rare; case reports of hepatitis with high-dose chronic use exist - monitor LFTs in chronic high-dose users.

Pharmacokinetics

Illustrative plasma concentration · 18 h

Half-life

Variable by component

Peak · Tmax

1-3 hours

Elimination

Hours plasma; effects accumulate over weeks

Bioavailability

Oral moderate

Duration of action

Cumulative over weeks-to-months

Clearance

Hepatic and intestinal

Storage. Capsule/powder. Cool, dry location.

Regulatory status

Dietary supplement (US). Traditional medicine in China and other Asian markets.

Put it to work

Calculate, log & track

Open Reishi straight into OnePin with your vial and dose pre-filled, then let it handle the syringe math and remind you before the vial runs out.

Open Reishi in the app →

Go deeper

The guide & community

The complete Reishi walkthrough, real protocol discussion and coaching live inside the BlessUp community on Skool.

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