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Nutrition Geeks Lion's Mane Supplement Review: Can it sharpen focus and support the nervous system?

Lions Mane Supplement 4000mg with Vitamin B1 & Black Pepper, 180 Vegan Tablets - Lion's Mane Mushroom 15:1 Extract (Not Lions Mane Powder or Capsules), UK Made for Mental Performance & Nervous System
4.7
[High Polysaccharide Content]  Industry-leading 50% polysaccharides for maximum Lion's Mane effectiveness.
[Potent, Easy-to-Swallow Tablets]  10mm tablets deliver 4000mg Lion's Mane with natural aroma and no aftertaste.
[Enhanced Absorption Blend]  Includes Vitamin B1 and Black Pepper to boost mental support and extract absorption.
[Vegan, Allergen-Free Formula]  Vegan, gluten-free, dairy-free, cruelty-free and ethically sourced for inclusive nutrition.
[Sustainable, Letterbox-Friendly Packaging]  Flat-pack, space-saving mail-friendly packaging with low carbon footprint and Net Zero commitment.
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The formula delivers concentrated mushroom extract for mental performance and nervous system support. Many people seeking clearer thinking and steadier focus during study or busy workdays will welcome a targeted daily option. Does Nutrition Geeks Lion's Mane Supplement combine high-strength extract, added vitamin B1 and improved absorption to make a noticeable difference?

⚡ At a Glance
  • Potency: 15:1 Lion's Mane extract, standardised to 50% polysaccharides, 4000mg per tablet
  • Best for: People needing daily cognitive support and improved mental clarity
  • Not ideal for: Users who prefer powdered supplements or pre-measured capsule formats

Concentrated 15:1 Lion's Mane extract delivers a high dose of mushroom bioactives per tablet. Vegan, UK-made tablets include vitamin B1 and black pepper to support absorption and mental performance.


Sharper mental clarity - thanks to 15:1 Lion's Mane extract with 50% polysaccharides

A 15:1 extract concentrates the mushroom's active compounds, while standardisation to 50% polysaccharides indicates a high proportion of the key beneficial fraction. The formulation supplies a substantial single-tablet dose of mushroom extract to support consistent intake.

Improved recall and clearer thinking during demanding tasks, suitable for study sessions or busy workdays. Regular daily use makes it simple to maintain a steady level of active compounds.

Micronutrient support for cognition - with added Vitamin B1

Vitamin B1 is included specifically to support mental performance and nervous system function, complementing the mushroom extract. The combination targets both bioactive mushroom compounds and essential nutrient support.

Supports energy metabolism and nerve function alongside mushroom-derived compounds, helping sustain concentration for longer periods. Especially useful for anyone noticing dips in mental stamina.

Ethical and sustainable sourcing - with UK manufacture and a low carbon footprint

Manufacturing takes place in the UK with a stated commitment to ethical sourcing and reduced packaging waste, aiming for lower plastic use and sustainable distribution. The brand highlights a net-zero target to reduce environmental impact.

Suitable for buyers who prioritise vegan and environmentally conscious supplements. Clear labelling and sustainable packaging make it easier to choose a responsible daily option.

✨ The 4 Key Reasons for Nutrition Geeks Lion's Mane Supplement
  1. Black pepper included – Enhances absorption for more consistent active uptake during daily use
  2. 10mm tablet size – Easier to swallow than larger capsule alternatives for many users
  3. Flat-pack packaging – Reduces plastic and is letterbox friendly for convenient delivery
  4. 180 vegan tablets – Provides a long supply for regular daily supplementation without frequent restocking
📋 Technical Details at a Glance
  • Category: Drugstore
  • Brand: Nutrition Geeks
  • Format: Vegan tablets
  • Strength per tablet: 4000mg Lion's Mane extract
  • Extract ratio: 15:1
❓ Frequently Asked Questions

Q: How much Lion's Mane is in each tablet?

A: Each tablet delivers a 15:1 Lion's Mane extract formulated to give a 4000mg equivalent, with the extract standardised to 50% polysaccharides.

Q: Are these tablets suitable for vegans and those with common allergens?

A: Yes, tablets are described as vegan-friendly, gluten-free, dairy-free and cruelty-free.

Q: How many tablets are in a pack and how are they shipped?

A: The pack contains 180 tablets and uses flat-pack, letterbox-friendly packaging to reduce waste and simplify delivery.

🏆 Our Verdict

Well suited to students, professionals and anyone looking for daily cognitive support without animal-derived ingredients. The combination of a concentrated 15:1 extract, standardised 50% polysaccharides and added vitamin B1 is the key selling point for mental performance. Given the high-concentration formulation and sustainable approach, the supplement represents strong long-term value for those committed to a daily regimen.