AHCC Source (Lentinula edodes mycelium): Benefits, Dosage, Safety & Evidence

Frequently asked questions

How does AHCC work to boost immune function?

AHCC works primarily by enhancing natural killer (NK) cell activity and improving immune surveillance. The active compounds, particularly acetylated alpha-glucans, are absorbed in the intestines and stimulate dendritic cell function, promoting cytokine production that supports innate immunity. Research suggests AHCC increases NK cell cytotoxicity and enhances the body's ability to identify and respond to abnormal cells. Evidence Level: C (preliminary clinical evidence).

Does AHCC interact with immunosuppressant medications?

Yes, AHCC is contraindicated with immunosuppressant drugs due to its immune-enhancing properties. AHCC stimulates NK cell activity and overall immune function, which may counteract the intended immunosuppressive effects of medications prescribed after organ transplants or for autoimmune conditions. Patients taking immunosuppressants should avoid AHCC unless specifically approved by their healthcare provider. Evidence Level: C.

What is the recommended daily dosage for AHCC supplements?

The standard adult dosage for AHCC is 1-3 grams daily, typically taken on an empty stomach for optimal absorption. Most clinical studies have used doses in this range, often divided into two doses. For general immune support, 1 gram daily may be sufficient, while higher doses up to 3 grams are sometimes used for more intensive support. Consult a healthcare provider for personalized dosing. Evidence Level: C.

Is AHCC safe to take during pregnancy and breastfeeding?

AHCC is generally considered safe during pregnancy and breastfeeding based on available evidence, though research in these populations remains limited. As with any supplement, pregnant or nursing women should consult their healthcare provider before starting AHCC. No specific adverse effects have been documented in pregnancy, but caution is always warranted with any supplement during this period. Evidence Level: C.

Can AHCC help clear HPV infections?

Preliminary research suggests AHCC may support HPV clearance by enhancing immune surveillance and NK cell activity. Some small studies have explored AHCC as an adjunctive approach for persistent HPV infections, with promising initial findings. However, larger clinical trials are needed to confirm efficacy. AHCC should not replace standard medical monitoring or treatment for HPV-related conditions. Evidence Level: C.

PubMed-compiled information sheet

This sheet was compiled from PubMed (NIH) abstracts using AI assistance. Every factual claim is cited to a real PubMed article (see the source list). It has not yet been human-reviewed — confirm with a healthcare provider before use.

Compiled from 30 PubMed articles · model: gemma4:31b

Summary

Active Hexose Correlated Compound (AHCC) is a standardized extract derived from Lentinula edodes mycelia used as a dietary supplement for immune support and as an adjuvant in cancer and liver disease management [PMID:20951179, PMID:35075934].

Background

AHCC is a functional food and fermented mushroom extract obtained from the liquid culture of Lentinula edodes mycelium [PMID:27500458, PMID:35075934].

Active compounds

AHCC is a complex compound rich in alpha-1,4 linked glucans and oligosaccharides [PMID:20951179, PMID:25186628].

Mechanism of action

AHCC acts as a biological response modifier that modulates immune responses by increasing the number of circulating dendritic cells [PMID:18791928, PMID:35075934]. It inhibits the proliferation of ovarian cancer cells by suppressing STAT3 activation and inducing SHP-1 expression [PMID:29111786], and induces Caspase-3-dependent apoptosis in acute myeloid leukemia cells via the extrinsic apoptotic pathway [PMID:28727820]. In the liver, it inhibits the production of nitric oxide (NO) by reducing the expression of inducible nitric oxide synthase (iNOS) [PMID:22076046, PMID:17712145]. Additionally, it may modulate toll-like receptors TLR-2 and TLR-4 in the gut [PMID:25596849].

Clinical evidence

Evidence BAlcohol-induced liver enzyme elevation

Supplementation with 1g or 3g of AHCC for 12 weeks significantly changed alanine aminotransferase (ALT) levels compared to placebo [PMID:25744424]

Evidence BChemotherapy-induced adverse events (Pancreatic Cancer)

Patients receiving 6.0g of AHCC for 2 months showed significantly suppressed C-reactive protein (CRP) elevation, reduced albumin decline, and a lower frequency of taste disorders compared to controls [PMID:26847832]

Evidence BAdvanced Liver Cancer

AHCC was investigated for its ability to prolong survival and improve prognosis in patients with advanced hepatocellular carcinoma [PMID:16913187]

Evidence BGeneral Immune Response (Healthy Volunteers)

Daily intake of 3.0g for 4 weeks significantly increased the number of total circulating dendritic cells [PMID:18791928]

Evidence BChemotherapy-induced adverse effects (General Cancer)

AHCC administration significantly decreased levels of HHV-6 in saliva and improved quality of life (QOL) scores during chemotherapy [PMID:24611562]

Safety & adverse effects

In a 90-day rat study, doses up to 6000 mg/kg body weight/day showed no changes in overall condition, body weight, hematology, or clinical chemistry, although urinary pH changes were noted in high-dose animals [PMID:20951179].

Dosage & administration

Reported clinical dosages include 1g three times daily for liver cancer [PMID:35075934], 3g daily for immune response [PMID:18791928], and 6g daily for pancreatic cancer patients [PMID:26847832]. Consult a healthcare provider.

Evidence summary

Evidence consists of a mix of clinical trials (B), in vitro studies, and animal models (D), primarily focusing on immunomodulation and the reduction of chemotherapy side effects. Systematic review data exists but specific outcomes were not detailed in the provided abstract [PMID:23931762].

PubMed sources

1.PMID: 25744424 (2014) — Effect of Active Hexose Correlated Compound (AHCC) in alcohol-induced liver enzyme elevation. · Journal of nutritional science and vitaminology
2.PMID: 18791928 (2008) — Immunological effect of active hexose correlated compound (AHCC) in healthy volunteers: a double-blind, placebo-controlled trial. · Nutrition and cancer
3.PMID: 29111786 (2018) — Active Hexose Correlated Compound (AHCC) Inhibits the Proliferation of Ovarian Cancer Cells by Suppressing Signal Transducer and Activator of Transcription 3 (STAT3) Activation. · Nutrition and cancer
4.PMID: 16913187 (2006) — Prognostic improvement of patients with advanced liver cancer after active hexose correlated compound (AHCC) treatment. · Asian Pacific journal of allergy and immunology
5.PMID: 26847832 (2016) — Alleviating Effect of Active Hexose Correlated Compound (AHCC) on Chemotherapy-Related Adverse Events in Patients with Unresectable Pancreatic Ductal Adenocarcinoma.

AHCC Source

Sources & Citations

Calculate a safe dose of AHCC Source