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Host Defense Lion's Mane Supplement bottle
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Host Defense Lion's Mane Supplement Review

A mushroom supplement designed to support memory, focus, and nerve health, utilizing activated, freeze-dried mushroom mycelium.

Product Focus: Focus and MemoryAlso covers:Brain
Tier ⓘ
Members
Members see this product's tier and why. Tiers run from 1, the strongest evidence, to 5. How we grade →
Evidence ⓘ
Members
How strongly the evidence says this product works: human studies count most, then real reviews, then our biohacker panel.
Positive Reviews
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Biohacker Mentions
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Cost per month
$24
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Study, Trial or Testing Result Summary

MembersHuman studies

This product gives 1 gram of Lion's Mane a day, grown as mycelium on brown rice. The support comes from older adults with memory . …

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Review Totals and Summary

Members8,677 reviews
8,677 reviews · IHerb 8,628 · Walmart 35 · Kingsoopers 6 · Sprouts 5 · Walgreens 3

The Host Defense Lion's Mane Supplement has garnered a substantial amount of feedback from users, who generally express with the product. Across major retailers, the vast of reviews highlight experiences, noting a sense of genuine support for memory and cognitive clarity. …

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Biohacker Summary

MembersWhat our biohacker panel says

The main reasons are brain , focus, memory and mental clarity, with pointing to nerve growth factor, and a also take it for energy, stress, longevity or vivid dreams. The only dose given was 1 to 2 grams in the morning, and it was paired with apigenin; others use it in protein bars, coffee blends or a brain support blend. …

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RAL Summary

MembersThe tier and why

Lion's Mane is at a dose that in studies, and four controlled trials, in older adults with memory decline, showed in thinking scores. Reviews are , with 93 percent of 8685 .

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More Details

MembersBody systems · Combine with · Possible side effects

Body systems: Nervous system. Combine with and possible side are for members.

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Supplement Facts

Lion's Mane —mycelium/fermented brown rice biomass 1 g
Supplement Facts
Serving Size 2 Capsules
Servings Per Container 60
Amount Per Serving% Daily Value
Calories5†
Total Carbohydrate1 g<1%
Lion's Mane (Hericium erinaceus)—mycelium/fermented brown rice biomass1 g†
* Percent Daily Values are based on a 2,000 calorie diet.
† Daily Value not established.

Directions: As a dietary supplement, take 2 capsules once per day. Can be taken with food or on an empty stomach or as recommended by your healthcare professional.

Label source: Thehealthyplace · Report a label change

Where to Buy

Host Defense · Amazon · iHerb
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We sell no supplements. Prices change; check the store.

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Our articles on this subject

Graded October 23, 2026 by the Reverse Age Lab evidence engine, from human studies, real reviews and our biohacker panel. How we grade. Is this medical advice? No. Rala organizes the published evidence; go over any change with your doctor, especially if you take meds.

Host Defense Lion's Mane Supplement Review: Does It Work? | Reverse Age Lab