1 / 10
The base is rounded out with dates, which provide natural sugars for immediate fuel and bind the bar without refined sweeteners.
£15
The base is rounded out with dates, which provide natural sugars for immediate fuel and bind the bar without refined sweeteners.
The base is rounded out with dates, which provide natural sugars for immediate fuel and bind the bar without refined sweeteners.
Eat one bar as a snack, ideally at a consistent time each day to build lion's mane intake as a habit. It works well mid-morning or before a period of focused work. No preparation needed.
The Cosmic Dealer Pistachio & Lion's Mane bar is a whole-food snack built around two purposeful ingredients: pistachios and lion's mane mushroom. Pistachios contribute healthy fats, plant protein, and B vitamins that support steady energy without a spike or crash. Lion's mane (Hericium erinaceus) is a functional mushroom studied for its potential to support cognitive function and nerve growth factor pathways - making it a reasonable daily addition for anyone wanting to look after long-term brain health. The base is rounded out with dates, which provide natural sugars for immediate fuel and bind the bar without refined sweeteners.
This bar suits people who want a convenient, low-fuss way to work a functional mushroom into their routine - think a mid-morning snack between meetings, a pre-study pick-me-up, or a clean option to keep at a desk when focus matters. It is not a clinical-dose mushroom supplement, but as part of a consistent daily habit it offers a practical, food-first route to lion's mane intake.
The formulation is intentionally minimal: three ingredients, nothing hidden. For a cognition-focused snack that does not rely on caffeine, added sugars, or synthetic additives, that restraint is the point.
Standard UK delivery included on every order, 1 to 3 working days after dispatch.
Next working day for £25 when you order by 12pm. Orders placed before 12pm on a working day leave the same day. Later orders leave the next working day.
You can return unopened and unused items within 30 days of delivery. This does not affect your statutory rights. Read the delivery and returns terms
Your Profile
Your first order creates it. Add your blood results or a wearable, and a doctor can recommend what suits you.
Sign inLion's mane is a functional mushroom studied for its potential to support nerve growth factor (NGF) synthesis and cognitive function. Research is still developing, but it is one of the more evidence-backed functional mushrooms for brain health, which is why it appears across clinical and consumer wellness contexts.
The amount of lion's mane per bar is not specified on the product listing, so check the packaging for the exact quantity. For higher, more targeted doses, a dedicated lion's mane supplement may be more appropriate — this bar is best thought of as a consistent daily food-first habit rather than a clinical intervention.
Based on the ingredient list — pistachios, lion's mane, and dates — this bar contains no caffeine or added stimulants. Any energy effect comes from the natural fats, protein, and sugars in the whole-food ingredients.
It suits anyone looking to support cognitive function through daily dietary habits — particularly those with demanding mental workloads, students, or people interested in preventive brain health. It is a low-effort, low-barrier way to incorporate a functional mushroom consistently.
Pistachios are tree nuts and a common allergen. Check the packaging for full allergen information and any potential cross-contamination notices before consuming.
Overall
6 months ago
Keep a box of these at work and grab one mid-morning when my focus starts to dip. No sugar crash afterwards, which was always my problem with the usual granola bars. The pistachio flavour is genuinely nice — not fake or overly sweet. Really pleased with this.
6 months ago
Does what it says, would buy again.
6 months ago
I've tried a few lion's mane products — capsules mostly — and this is by far the easiest to stick with. It tastes like actual food, the texture is chewy without being sticky, and I can throw it in my bag without worrying about it melting or crumbling. The date base keeps it naturally sweet but not cloying. Been having one before my morning study sessions and feel like it's become a proper part of my routine now.
6 months ago
Taste is great and I like the minimal ingredient list — three things, no nonsense. My only issue is the size. At £2.99 I expected something a bit more substantial. It's more of a top-up than a proper snack for me. Still buying them, just wish the portion were larger for the price.
7 months ago
I was looking for something to replace my 3pm coffee habit and this fits the bill. No caffeine crash, genuinely satisfying, and I feel a bit more clear-headed through the afternoon. Could be the lion's mane, could be placebo — honestly don't mind either way.
7 months ago
Bought these on a friend's recommendation. Really glad I did. The flavour combo is better than I expected and they keep well in my desk drawer.
GP appointment, £150Marylebone and BelgraviaA GP looks for the cause, and treats it.At our clinic in Marylebone, London, doctors also offer private blood tests and executive health assessments.
A curated selection of products, tools and rituals, chosen by our doctors.
