
Focus Stack
The ultimate focus combo. Just Greens delivers foundational nutrition while Lion's Mane stimulates nerve growth factor for sharper cognition, better memory, and sustained mental clarity — without caffeine or crashes.
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- Enhanced focus and concentration
- Supports nerve growth factor (NGF) production
- Clean, sustained energy from nutrient-dense greens
- Improved memory and mental clarity
Key Benefits
Why thousands choose Focus Stack every day.
Cognitive Power
Lion's Mane stimulates NGF for new brain cell growth and sharper thinking.
Nutritional Foundation
Just Greens provides 8 organic superfoods for all-day energy.
Laser Focus
Together they support sustained attention without stimulants.
Memory Support
Hericenones and erinacines support short and long-term memory.
Active Ingredients
Clinically-backed ingredients based on decades of science, validated across ages, genders, and genetic backgrounds.*
Hericenones (from Lion's Mane)
Why we chose it:
Bioactive compounds that cross the blood-brain barrier and stimulate Nerve Growth Factor (NGF) — essential for neuron growth, repair, and sustained cognitive performance.
Erinacines (from Lion's Mane)
Why we chose it:
Small-molecule compounds that stimulate NGF synthesis in the brain, supporting memory formation, focus, and long-term neuroprotection.
Spirulina & Chlorella (from Just Greens)
Why we chose it:
Deliver bioavailable iron and B-vitamins that fuel brain energy metabolism, reducing fatigue and supporting mental stamina.
Wheatgrass & Barley Grass (from Just Greens)
Why we chose it:
Chlorophyll-rich greens that support blood oxygenation — delivering more oxygen to the brain for clearer thinking.
*These statements have not been evaluated by the MHRA. This product is not intended to diagnose, treat, cure, or prevent any disease.
How to Use
Simple. Effective. Every day.
Morning Greens
Mix 1 scoop of Just Greens with 250ml cold water or juice.
Add Lion's Mane
Add 1 teaspoon of Lion's Mane to your morning coffee or tea.
Daily Ritual
Take both every morning for compounding cognitive benefits.
Feel the Shift
Most people notice sharper focus within 1–2 weeks of daily use.
Feel Better in 30 Days
Real results don't happen overnight — but they happen faster than you think.
First Steps
Your body starts absorbing nutrient-dense ingredients. Many people notice improved digestion and reduced bloating within the first few days.
Energy Shift
Consistent nutrition means fewer energy crashes. You'll start waking up sharper and powering through the afternoon without reaching for caffeine.
Visible Change
Skin looks clearer, gut feels calmer, and your body is running more efficiently. This is where people start noticing a real difference.
The New Normal
Better energy, stronger immunity, improved focus — it's not a spike, it's your new baseline. This is what consistent nutrition feels like.
Us vs Them
How we measure up against the average supplement brand.
Our Standards
Most supplement brands hide behind proprietary blends and vague claims. We believe you deserve to know exactly what's in your powder, where it comes from, and how much of each ingredient you're getting.
Certified Organic
Every ingredient is certified organic by the Soil Association.
Lab Tested
Independent third-party testing for purity and potency.
Properly Dosed
Clinical doses, not micro-doses. What the research says works.

Frequently Asked Questions
Customer Reviews
Game changer for my mornings
I've been using Focus Stack for about a month now and the difference is night and day. More energy, better focus, and I actually look forward to taking it. Genuinely impressed.
Sarah M.
London, UK · Verified Buyer
Finally, something that works
Tried so many supplements that promise the world and deliver nothing. Focus Stack is the real deal — I noticed a difference within the first week. Will be subscribing.
James T.
Manchester, UK · Verified Buyer
Really good quality
You can tell this is proper quality stuff. Tastes better than expected and I've noticed I'm not crashing in the afternoons anymore. Only 4 stars because delivery took a bit longer than expected.
Emily R.
Bristol, UK · Verified Buyer
Exactly what I needed
Been looking for something clean and organic without all the fillers. Focus Stack ticks every box. My partner's started using it too now!
David K.
Edinburgh, UK · Verified Buyer
Subscribe & save is brilliant
Love that I don't have to remember to reorder. The subscribe option saves me money and it just turns up every month. Product quality is consistently excellent.
Rachel P.
Birmingham, UK · Verified Buyer
Worth every penny
Was sceptical at first given the price, but you genuinely get what you pay for. The transparency on dosages sold me and the results have kept me. Highly recommend.
Tom H.
Leeds, UK · Verified Buyer
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