AHCC 1000mg Mushroom Extract | Active Hexose Correlated Compound | Vitality Supplements UK
AHCC Mushroom Extract 1000mg Capsules | Premium Immune Support | 60 Capsules | UK Made | Vitality Supplements — quick summary
Vitality Supplements AHCC 1000mg is a food supplement providing 1000mg of Active Hexose Correlated Compound per 2-capsule serving. AHCC is produced by culturing the mycelia of Lentinula edodes (shiitake mushroom) through a proprietary process that generates partially acetylated alpha-glucans — lower molecular weight polysaccharides, structurally distinct from the beta-glucans found in standard mushroom fruiting body extracts. Each pouch contains 60 vegan HPMC capsules, equal to 30 servings. Vegan, non-GMO and free from gluten, dairy, soy and nuts. Every batch is third-party tested at an ISO/IEC 17025-accredited laboratory, with a Certificate of Analysis available on request. UK manufactured. AHCC is a permitted food supplement ingredient in the UK under the Food Supplements (England) Regulations 2003. Pricing: 1 Month £29.99, 3 Months £69.99, 6 Months £119.99, 12 MONTH £199.99; Subscribe & Save is £25.49 per month. Sold with a 60-day money-back guarantee. As a food supplement, adults take 2 capsules daily; do not exceed the recommended daily dose. This product is a food supplement and is not intended to diagnose, treat, cure or prevent any disease. If pregnant, breastfeeding, taking medication or with a medical condition, consult a doctor before use.
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★ Immunity Series
Immunity SeriesSubscribe · save 15%30+ human studies
AHCCAHCC Mushroom Extract 1000mg Capsules | Premium Immune Support | 60 Capsules | UK Made | Vitality SupplementsMushroom Extract · 60 Vegan Capsules · 30 Servings
Immunity · Extract · Optimise
1000mg Immunity Complex · Active Hexose Correlated Compound from cultured Lentinula edodes mycelia · partially acetylated alpha-glucans
★★★★★4.8 / 312 reviewsVerified ✓
1000mgAHCCPER SERVING
30+Human StudiesPUBLISHED
1989Research BeganJAPAN
αAlpha-GlucansCHARACTERISED
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Third-party tested — every batch. AHCC identity and potency assayed at an ISO/IEC 17025 accredited laboratory. CoA on request — email with batch number.
1000
mg AHCC · per serving
1000mg per serving — aligned with the dose used in published human clinical research protocols (500–3000mg/day).
30+
Published human studies
Peer-reviewed human research on AHCC dating back to 1989, across Japanese and international institutions.
100%
Batches tested
Third-party verified. Every batch, ISO/IEC 17025 accredited laboratory.
🇬🇧
UK Made
UK-based facility. Manufactured in the United Kingdom.
What to expect
A realistic timeline for what customers report.
AHCC works at a cellular level over weeks of consistent daily use. Published research has assessed outcomes over 4–12 week protocols. Below is what customers report, and when — these are customer-reported experiences, not guaranteed outcomes. Individual results vary.
Days
1–7
Nothing noticeable — and that’s expected
AHCC is not a stimulant and has no immediate effect. Published research assesses outcomes over weeks, not days. Most customers report no change in week one — this is expected.
Weeks
2–4
General baseline maintenance
The most commonly reported early experience is an absence of the usual seasonal disruptions rather than a dramatic positive change. Customers describe feeling consistently well. Individual results vary significantly.
Weeks
6–12
The research window
Published human studies on AHCC have typically assessed outcomes over 6–12 week protocols. This is the period customers most frequently describe noticing a sustained difference. The 60-day guarantee is designed to cover this window.
Month
3+
Year-round consistency
Customers who continue past 90 days most commonly describe a year-round baseline that feels more consistent than before. Daily consistency is what AHCC research protocols are built on.
★★★★★
"The packaging and transparency is on a different level — full-dose label, batch number on the base, and they sent the Certificate of Analysis the same day I asked."
— James H. · Verified buyer · 3 monthsVerified ✓
The Research
Most supplements have marketing. AHCC has 30 years of human research.
AHCC (Active Hexose Correlated Compound) is not a new discovery or an emerging trend. It is one of the most studied natural immune food supplement compounds in the world — with a research record that began in Japan in 1989 and has since been replicated at universities and research institutions globally. The characterised fraction is partially acetylated alpha-glucans derived from cultured Lentinula edodes mycelia.
1989
YEAR AHCC RESEARCH BEGAN
30+
PUBLISHED HUMAN CLINICAL STUDIES
1000+
HOSPITALS IN JAPAN USING AHCC
20+
YEARS OF INTERNATIONAL DATA
NK CELL RESEARCH
NK cell markers
Natural Killer cell activity
Multiple studies have investigated AHCC’s effect on NK cells — the immune system’s first-response surveillance cells. Published studies report findings on NK cell markers in participants taking AHCC daily.
Ghoneum et al. · Multiple peer-reviewed publications
IMMUNE RESPONSE
T-cell research
Innate and adaptive immune parameters
Studies at the University of Texas have investigated AHCC’s effects on immune markers. Published data reports findings on both innate and adaptive immunity parameters in human participants.
Smith et al. · University of Texas
CLINICAL USE · JAPAN
1989 → now
Continuous use since discovery
AHCC was developed at Amino Up Chemical Co. in Sapporo, Japan, and incorporated into hospital wellness programmes as a complementary nutritional intervention. Its long record of use has contributed to the body of AHCC research.
Amino Up Chemical Co. · Sapporo, Japan
"AHCC’s alpha-glucan fraction engages pattern recognition receptors on immune cells in a way that standard polysaccharides do not. The research distinguishes it clearly from generic mushroom extracts."
— Summary of the published mechanistic research on AHCC
What makes AHCC distinct from other mushroom supplements is the specific fraction it delivers. The culturing process transforms the raw Lentinula edodes mycelia into a compound rich in partially acetylated alpha-glucans — lower molecular weight polysaccharides.
Standard shiitake supplements, by contrast, contain beta-glucans from the fruiting body — a structurally different compound with a different research profile. They are not the same thing, and the research on AHCC does not apply to them.
1989
Discovery.
Amino Up Chemical Co. develops AHCC through a proprietary culturing process for Lentinula edodes mycelia. Early research begins in Japan.
1990s
Clinical adoption.
AHCC becomes incorporated into nutritional protocols at hospitals in Japan as a complementary food supplement. The body of peer-reviewed research continues to grow.
2000s
International research.
Studies begin at universities in the United States and Europe. NK cell, T-cell and cytokine research published in international journals.
2010s– now
30+ human studies.
AHCC becomes one of the most studied natural immune compounds in the world. Research continues across multiple population groups.
The Active Compound
AHCC Proprietary Blend
AHCC — Active Hexose Correlated Compound — is produced by culturing the mycelia of Lentinula edodes (shiitake mushroom) in a controlled fermentation environment. The proprietary culturing process converts the raw mycelia into a compound rich in partially acetylated alpha-glucans — lower molecular weight polysaccharides (approximately 5,000 Da) than the high molecular weight beta-glucans typically found in standard shiitake fruiting body extracts. The alpha-glucan fraction is the compound measured in AHCC research.
1000mg
PER SERVING
vs 250mg low-dose
Research dose
→
Alpha-glucan fraction— the compound measured in AHCC research
→
Cultured mycelia— the root structure, not the fruiting body cap
→
1000mg per serving— aligning with doses used in published human studies
→
Third-party tested per batch— CoA available on request
Vitality AHCC is independently tested by an ISO/IEC 17025-accredited laboratory before every batch is released. If it doesn’t pass specification, it doesn’t ship.
AHCC identity confirmed as alpha-glucan rich Lentinula edodes extract
Potency verified at 1000mg per serving — the research dose
Heavy metal screening on every batch — lead, cadmium, arsenic, mercury
Microbial safety testing and allergen screening included
Certificate of Analysis available on request — email info@vitality-supplements.co.uk with your batch number
Formulation
AHCC 1000mg: one ingredient, zero compromise
One ingredient at the research dose. No fillers disguised as actives, no blend hiding underdosed compounds.
⬡
1000mg
AHCC
Active Hexose Correlated Compound · Lentinula edodes Mycelia
AHCC — Active Hexose Correlated Compound
AHCC is produced by culturing the mycelia of Lentinula edodes (shiitake mushroom) in a controlled environment for an extended period. This proprietary culturing process converts the raw mycelia into a compound rich in partially acetylated alpha-glucans — polysaccharides with a lower molecular weight than the beta-glucans found in standard shiitake supplements.
1000mg AHCC Proprietary Blend per serving — matched to doses used in published human research
Characterised fraction: partially acetylated alpha-glucans — the polysaccharides measured in AHCC studies
Source: cultured Lentinula edodes mycelia — not shiitake fruiting body
Third-party tested for identity and potency on every batch
Vegan HPMC capsule · UK manufactured · Non-GMO
Supplement Facts
Serving Size: 2 Capsules · Servings Per Container: 30
Ingredient
Per serving
NRV
AHCC Proprietary Blend (Standardised Extract of Cultured Lentinula edodes Mycelia)
† NRV not established. Free from gluten, dairy, soy, nuts and GMOs. Suitable for vegans. Manufactured in a UK facility to high manufacturing standards.
The Difference
How Vitality AHCC 1000mg compares
Specification comparison vs other AHCC products and general mushroom supplements available in the UK (spec-sheet analysis, 2026).
Feature
Vitality AHCC
Typical UK mushroom supplements
AHCC dose per serving
✓ 1000mg — research dose
250–500mg typical — below published trial doses
Characterised compound
✓ Partially acetylated alpha-glucans (AHCC)
✗ Often beta-glucans from fruiting body — different compound, different research profile
Source material
✓ Cultured Lentinula edodes mycelia
Usually shiitake fruiting body — not the same as AHCC
Human clinical research
✓ 30+ published human studies since 1989
✗ Most generic mushroom extracts have no human clinical data
Third-party tested per batch
✓ Every batch, ISO/IEC 17025 accredited
✗ Rarely per-batch
Full label disclosure
✓ All ingredients disclosed
Often unclear sourcing or blend masking
UK manufacturing
✓ UK manufactured
Often overseas or unspecified
Money-back guarantee
✓ 60-day satisfaction guarantee
Varies — often 14 days or none
Methodology: spec-sheet analysis of UK-available mushroom and AHCC supplements by verified review count, August 2026.
How to take
The protocol. Simple and consistent.
1
Take 2 capsules daily
Two capsules deliver 1000mg of AHCC — the dose most commonly used in published human studies.
2
Morning, with water
Published studies have typically used morning dosing, often on an empty stomach or with a light meal. Consistency matters more than precise timing. Do not exceed the stated daily dose.
3
Check with your doctor if relevant
If pregnant, breastfeeding, immunocompromised, or taking prescription medication — particularly immunosuppressants — consult your doctor before use.
Got questions
Frequently asked questions.
What is AHCC and how does it work?
+
AHCC stands for Active Hexose Correlated Compound. It is produced by culturing the mycelia of Lentinula edodes (shiitake mushroom) in a controlled environment for an extended period. This proprietary culturing process generates a compound rich in partially acetylated alpha-glucans — smaller molecular weight polysaccharides that are structurally distinct from the beta-glucans found in standard mushroom supplements.
The alpha-glucan fraction has been investigated in published human research for its effects on immune markers including Natural Killer (NK) cells, T-cells and cytokine response. Research has been conducted at institutions including the University of Texas and multiple Japanese research hospitals. AHCC is a food supplement, not a medicine, and is not intended to diagnose, treat, cure or prevent any disease.
How is AHCC different from standard shiitake or mushroom supplements?
+
Standard shiitake supplements are typically made from the fruiting body (the cap) and contain beta-glucans. AHCC is produced from the mycelia (root structure) through a proprietary culturing process, which generates partially acetylated alpha-glucans — a structurally different compound with a different research profile.
This distinction matters: the 30+ years of published human research on AHCC was conducted on the specific alpha-glucan fraction produced through this culturing process. That research does not apply to generic shiitake extracts or standard beta-glucan products.
Why 1000mg? What does the dose mean?
+
Published human clinical studies on AHCC have typically used doses ranging from 500mg to 3,000mg per day. The most commonly studied dose in human trials is 1,000mg per day — which is the dose in Vitality AHCC. Lower-dose products at 250–500mg sit below the doses used in the majority of published research. We make no claim about what that dose difference means clinically; our formulation simply reflects what has been studied.
How long before I notice anything?
+
AHCC is not a stimulant and does not produce immediate effects. Published research has typically assessed outcomes over 4–12 week periods. Most customers report that consistent daily use over 4–8 weeks is when they notice a difference. These are customer-reported experiences, not guaranteed outcomes, and individual responses vary based on baseline immune status, age, lifestyle and consistency of use. The 60-day guarantee covers the full assessment timeline.
Is AHCC suitable for vegans?
+
Yes. Vitality AHCC uses a plant-derived HPMC capsule shell. The formula is vegan, gluten-free, dairy-free, soy-free, nut-free and non-GMO. The AHCC Proprietary Blend is derived from cultured mushroom mycelia.
When and how should I take AHCC?
+
Take 2 capsules daily. Published research has used both morning and fasted dosing protocols — most commonly in the morning on an empty stomach or with a light meal. Consistency of daily dosing matters more than precise timing. Do not exceed the stated dose. If you take prescription medication, particularly immunosuppressants, consult your GP before adding any new supplement.
Are there any known side effects?
+
Published human trials on AHCC report a generally favourable tolerability profile, with no significant adverse events reported at doses up to 3,000mg per day. At 1,000mg per day, AHCC is well within the range studied in human trials. If you are pregnant, breastfeeding, immunocompromised, or under medical supervision for any condition, consult a qualified healthcare professional before use. This product is a food supplement, not a medicine.
How is purity verified?
+
Every batch of Vitality AHCC is tested by an independent ISO/IEC 17025-accredited laboratory before release. Testing covers identity and potency of the AHCC Proprietary Blend, heavy metal screening (lead, cadmium, arsenic, mercury), microbial safety testing and allergen screening. The Certificate of Analysis for the current batch is available on request — email info@vitality-supplements.co.uk with the batch number from the base of your pouch.
Is AHCC legal in the UK?
+
Yes. AHCC is a permitted food supplement ingredient in the United Kingdom, regulated under the Food Supplements (England) Regulations 2003 and overseen by the Food Standards Agency (FSA). It is not a controlled substance, not a prescription medicine, and is not subject to any MHRA restriction on sale as a food supplement. Vitality AHCC is manufactured in the UK and labelled in full compliance with UK food supplement regulations.
What is your returns and satisfaction guarantee policy?
+
We offer a 60-day satisfaction guarantee. If you are not satisfied for any reason within 60 days of delivery, email info@vitality-supplements.co.uk with your order number for a full refund — no return required, no restocking fee. Your statutory rights under the Consumer Rights Act 2015 apply in addition and are unaffected.
"The research behind this is unlike anything else"
I spent time reading the published papers before buying. The depth of research on AHCC is unlike most supplements — 30 years, multiple universities, hospital adoption in Japan. That’s what convinced me. Three months in and my general health through winter has been noticeably better.
Patricia H. · London · 3 monthsVerified ✓
★★★★★ 15 April 2026
"Finally a mushroom supplement with real data"
I’d tried several mushroom supplements and never noticed much. Once I understood the difference between AHCC’s alpha-glucans from cultured mycelia and generic shiitake fruiting body extracts, it made sense why. The 1000mg dose matching published research is exactly what I wanted.
James W. · Bristol · 2 monthsVerified ✓
★★★★★ 8 April 2026
"Consistent quality, transparent labelling"
What made me choose Vitality over other AHCC brands was the UK manufacturing and the third-party testing. I asked for the Certificate of Analysis and they sent it promptly. Quality has been consistent across three orders now.
Sarah M. · Edinburgh · 3 monthsVerified ✓
Go deeper
Learn before you commit.
Written for people who want to understand what they’re taking.