How does this coffee differ from four sigmatic / four sigmatic mushroom coffee?

Thanks for the query Colette. Our base coffee is a freshly roasted super clean Nicaraguan Microlot Coffee which is a pesticide, heavy metal and mycotoxin free coffee. We then add an EU organic mushroom complex extract mix of equal parts - Lions Mane + Reishi Mushroom + Cordyceps + Agaricus Blazei. Compare this to most offerings from four sigmatic (and most other sellers of mushroom coffee) where inferior and cheap instant coffee is used as the base along with Mushroom Extract powders sourced from China! Most others also only include 1-2 different mushroom powders. So with us you get a bold, super smooth low acid clean coffee combined with 4 EU Organic Mushroom Extract Powders (with absolutely zero mushroom taste - all you taste is our lovely coffee). Our coffee has consistently scored 4.3 and above out of 5 on Amazon UK for the past 3+ years and is the biggest selling Bulletproof Coffee (clean coffee) on Amazon UK. We also offer a no questions asked refund. Simply send me your Amazon order number if you aren't satisfied and we will happily refund.

Is this an instant coffee or do I need to put it in a cafetière or French Press?

Hi. It’s a freshly ground dark roast coffee so ideal as a cafetiere coffee or french press coffee or you can use an aeropress or a moka pot (stove pot). It’s not an instant coffee Kind regards. Jamie

can you use in my espresso machine or does it have to be cafetière style ?

I use in my Delonghi Magnifica S bean to cup machine but it has a chute for ground coffee. It's ground a bit more coarse so likely not suitable for the portafilter that goes underneath most espresso machines. We couldn't do it as a whole bean coffee as the mushroom extract powder would not stick.

how many mg of lions mane is in a cup so I can do a meaningful comparison? I don’t know what 12g of mushrooms per 400g of coffee means.

There is 525mg of the 4 mushroom extract powders per two heaped tablespoons of the coffee (circa 18g). So 1/4 of this is lions mane - 131.25mg. Hope this helps.

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Mushroom Coffee Ground - Mushroom Extract Blend With Lion’s Mane, Reishi, Cordyceps & Agaricus Blazei – Dark Roast Caffeinated Coffee (908g (1 Pack))

Product ID: 504431951

Details

Brand
Lean Caffeine
Caffeine Content Description
Caffeinated
Flavour
Dark Roasted
Item form
Ground
Number of items
1
Package information
Bag

☕908g premium dark roast

🍄4 functional mushrooms blend

🧪Lab-tested purity guaranteed

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Description

☕ Elevate your daily grind with brain-boosting mushroom magic!

CLEAN ENERGY BOOST - 120mg caffeine per serving with zero crash, perfect for focused, mindful mornings.
SUSTAINABLY CRAFTED - Family-run UK brand delivering consistent, high-quality mushroom coffee with care and integrity.
BARISTA GRADE FLAVOR - Rich, low-acid dark roast coffee with zero mushroom aftertaste—pure indulgence in every cup.
ORGANIC POWERHOUSE BLEND - EU-certified Lion’s Mane, Reishi, Cordyceps & Agaricus for mental clarity and balanced energy.
TRUSTED QUALITY ASSURANCE - Independently lab tested for mycotoxins and heavy metals to ensure purity and safety.

LEAN CAFFEINE Mushroom Coffee Ground is a 908g pack of certified organic dark roast coffee infused with a potent blend of four functional mushrooms—Lion’s Mane, Reishi, Cordyceps, and Agaricus Blazei. Lab-tested for purity and free from mycotoxins, it delivers 120mg of caffeine per serving with a smooth, low-acid profile and zero mushroom aftertaste. Crafted by a family-run UK brand, this premium mushroom coffee supports mental clarity, focus, and balanced energy for the modern professional.

Specifications

ASIN	B0BNQJFNR7
ASIN	B0BNQJFNR7
Allergen Information	Contains: Gluten Free
Best Sellers Rank	26,542 in Grocery ( See Top 100 in Grocery ) 243 in Ground Coffee
Brand Name	Lean Caffeine
Caffeine Content Description	Caffeinated
Caffeine Content Per Serving	120 Milligrams
Coffee Roast Level	Dark Roast
Coffee Type	Coffee Bean
Container Type	Bag
Country of Origin	Nicaragua
Country of origin	Nicaragua
Customer Reviews	4.2 4.2 out of 5 stars (49)
Customer reviews	4.2 4.2 out of 5 stars (49)
Diet Type	Paleo
Each Unit Count	908.0
Flavor	Dark Roasted Coffee
Insert Type	Ground
Item Dimensions	26 x 14 x 9 centimetres
Item Form	Ground
Item Package Weight	0.92 Kilograms
Item Type Name	Mushroom Coffee Ground
Item Weight	908 Grams
Manufacturer	Lean Caffeine Limited
Manufacturer	Lean Caffeine Limited
Number of Items	1
Number of Pieces	1
Product Dimensions	26 x 14 x 9 cm; 908 g
Product Shelf Life	730 Days
Special Ingredients	Lion’s Mane, Reishi, Cordyceps, Agaricus Blazei
Speciality	Certified Organic
Sweetness Description	Not Sweet
Unit Count	908.0 gram
Variety	Mushroom Coffee

Reviews

S**H

Great value and taste

By far the best mushroom coffee I have tasted. Great value when bought in larger bags. I have it ever day and a little goes a long way.

7.11.2025

T**H

Great coffee

Love this product having tried many others.. I keep coming back to this one

10.01.2026

⠀**⠀

Decent earthy coffee

I take mushroom supps, I obviously drink coffee, the two combined are an obvious yes for me. This one delivers nicely, it's perfect in a cafetiere, tastes earthy and pleasant, without too much bitterness from the coffee but with still a bite, and a good energy kick too. It's ground so super easy to use, and has a good price too. Only down is the package is not great, the resealing strip is unusable so had to use a clip instead

17.07.2025

M**S

horrid coffee

be warned this is not beans its not that nice either. i now have 5 1kg bags of this stuff that amazon replaced my original order for. im not happy. the good stuff ain’t available

2.03.2026

N**E

Game changer

This has been a game changer for me since wanting to cut down on my caffeine intake. It tastes good and it doesn’t have a massive “peak” and no crashes for the day, even if I have an extra one in the afternoon it doesn’t put me up ir down, just keeps me going which I love. Amazing if you’re sensitive to caffeine but don’t want to go decaf or cut out completely, and good calming benefits too. Also love the normal coffee but too high caffeine for me. Been using this one for 5 bags now

23.07.2023

K**N

Definitely give it a try!

This is hands down the nicest coffee I’ve ever had! I’m a coffee snob and honestly this is so smooth. Everyone that’s tried it at mine also agrees. We will be using this for my afternoon coffee for the foreseeable.

10.09.2025

C**S

great taste; I think this is very low caffeine

Great; and can be used in an aeropress. Give it a go. I certainly like it and it smells like coffee. The taste is not too different either.

12.11.2024

A**E

Best coffee ever!

This is the only coffee that I can drink, delicious with nut milk and not harsh or bitter, love it!

30.04.2024

F**E

Riecht wie normaler Kaffee, schmeckt wie normaler Kaffee und keine anderen Effekte bemerkt. Ist überhaupt pilz drin? Keine Ahnung. 3 Sterne weil er immerhin schmeckt und hochwertiger Kaffee zu sein scheint

25.09.2023

H**I

Das Produkt konnte mich leider geschmacklich nicht überzeugen. Werde ich mir nicht wieder bestellen.

29.05.2023

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TrustScore 4.5 | 7,300+ reviews

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