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
by Nutrition Geeks
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Nutrition Geeks Lion's Mane Focus+ is a UK-made supplement delivering 4000mg of 15:1 lion's mane extract (standardised to 50% polysaccharides) per serving, enhanced with Vitamin B1 and black pepper for absorption. Best for Knowledge workers and students needing sustained focus and Adults with ADHD-type attention difficulties.
According to the AIScored 0–100 scoring 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 by Nutrition Geeks scores 73.0/100, ranking #11 out of 34 products in Adaptogens & Nootropics (2026). Strongest category: Value For Money (85.0/100). Weakest: Certifications (35.0/100).
Is Lions Mane Supplement 4000mg wit... worth buying?
“Nutrition Geeks' Lion's Mane supplement scores 73/100, powered by a 15:1 standardised extract that reviewers genuinely praise for mental clarity and cognitive focus. With 180 tablets at a competitive UK price and a handy subscribe-and-save option, it's one of the best-value options you'll find in this category.”
What Do Reviewers Say About 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?
Sample excerpts from currently available source material used in this product analysis.
"These work a little too well.. They are great at helping focus, taste okay only problem was a few weeks in it gave me nightmares. Probably made me focus a little too much even during sleep. Small and easy to swallow"
"If you found yourself doom scrolling, tasks that need doing but you cant get into first gear, jobs you avoid and do everything else but the task in hand, tired all day no matter what coffee you take, you are in the same place I was just day..."
"I have brought this supplement a few times , so they seem to work for me. Good price and quality."
"I have been taking these supplements now for 6 months and I have noticed a real improvement in my memory and general cognitive functions. They have really helped me focus and concentrate at work. There is no taste to these and I have not ex..."
"I’ve been taking this Lion’s Mane supplement for a few weeks, and I really like the high 4000 mg dosage combined with Vitamin B1 and black pepper for absorption. The tablets are vegan and easy to swallow, which is a big plus for me. I’ve no..."
How does Lions Mane Supplement 4000mg with Vit... score?
Detailed score breakdown and key findings from our analysis of 17 reviews across 1 source.
Pros
- +Strong cognitive focus and mental clarity reported by the majority of reviewers
- +High-potency 15:1 extract standardised to 50% polysaccharides — above average for the market
- +Excellent value: 180 tablets at a competitive UK price with subscribe-and-save option
- +Complementary formula with Vitamin B1 (thiamine) and black pepper (piperine) for bioavailability
- +UK-manufactured, vegan, gluten-free, and easy to swallow at 10mm tablet size
Cons
- -Two reviewers (out of 12) reported notable side effects: anxiety, near-panic episodes, leg tingling, and vivid nightmares
- -Not third-party tested — no independent verification of potency or purity claims
- -High dose (4000mg equivalent) may be too stimulating for sensitive individuals
- -Contradictory labelling: product claims vegan but database spec flags vegan as false
Best For
Watch Out
- !Anxiety or near-panic attacks reported at full dose — consider starting with half a dose
- !Vivid dreams or nightmares reported by at least one user
- !Leg tingling and low energy reported as day-after side effects in one case
- !No third-party testing means polysaccharide content claims are unverified
- !Not suitable if prone to anxiety disorders without medical guidance
What is 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?
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 is a adaptogens & nootropics product by Nutrition Geeks in tablet form, scoring 73.0/100 on AIScored.
- • Why Buy Lion's Mane Focus+ : You get a science-backed Lion's Mane supplement using industry leading 50% polysaccharides, the main beneficial compounds in Lions Mane.
- • Our Formula is enhanced with Vitamin B1 for additional mental performance support and Black Pepper to aid absorption of lion's mane extract.
- • Easy to Swallow with No Aftertaste & Delightful Natural Aroma - Lion's Mane Focus+ tablets are 10mm in diameter, half the size of capsules, whilst delivering a super strong 4000mg of Lion's Mane.
- • Every time you take our tablets, you will be greeted by a burst of natural Lion's Mane Mushrooms - you won't be disappointed.
- • Letterbox Friendly and Space Saving: Lion's Mane Focus+ comes in flat pack packaging, saving on costly postage and storage fees associated with other bottled lions mane capsules 1000mg, mushroom supplement, focus supplement and adhd medicine.
- • Keep focused and remember it's lion's mane, not lions main, lion mane mushroom or lions maine.
- • Vegan Friendly, Gluten-free, Dairy-free, Cruelty-free, Low Carbon Footprint: We understand the importance of providing vitamins that caters to everyone's needs; are sourced & produced ethically AND at an accessible price to customers.
- • There is no need to go anywhere else for your nutrition needs! Scientifically Proven Supplements Uncomplicated, So You Can Get The Most Out of Life.
- • Accessbile to Everyone.
- • Delivered To You Sustainably: Good health is a need not a want.
- • We are on a mission to make quality, science backed nutrition sustainably accessible to everyone.
- • Less plastic, less waste.
- • We have also committed to be the UK's leading sustainable supplement provider with a Net Zero target by end of 2023.
Is 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 Independently Tested?
No Third-Party Testing Visible
We could not find evidence of independent third-party testing for this product. This doesn't mean it's unsafe, but independent verification provides additional assurance.
How We Score Supplements
Our methodology analyses review data, ingredient science, and product information, then scores each product on a 0-100 scale across evidence-based categories:
Effectiveness
How well the product delivers its claimed benefits, based on reviews and ingredient evidence.
Ingredient Quality
Bioavailable forms, clinically effective dosages, clean label, minimal fillers.
Value for Money
Price relative to ingredient quality, dosage count, and effectiveness.
Side Effects Profile
Higher score = fewer side effects. 100 means virtually no adverse reactions reported.
Certifications & Testing
Third-party lab testing, GMP certification, and independent quality verification.
Overall Score
Weighted combination of all factors. Our bottom-line recommendation.
Price History (90 days)
Quick Facts
- Form
- Tablet
- Vegan
- No
Frequently Asked Questions
Is 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 worth buying in 2026? ▼
What is the best price for 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 in the UK? ▼
What are the pros and cons of 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? ▼
Is 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 third-party tested? ▼
Disclaimer: AIScored provides research-backed summaries based on publicly available reviews and product information. This is not medical advice. Always consult a healthcare professional before starting any supplement regimen. Affiliate links may earn us a commission at no extra cost to you.
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