Buyer's guide · Last updated

    Best mushroom coffee UK: what's actually in the cup

    What's the best mushroom coffee in the UK?

    The short answer

    The best mushroom coffee is the one that tells you the mushroom dose and tests it — and most don't, which is the honest problem with the category. A mushroom coffee replaces part of the coffee with mushroom extract, so you keep the taste and lose some caffeine, but the dose per cup is often small and rarely disclosed. There are two ways to get the same ritual with a stated dose: stir a scoop of fruiting-body extract powder into the coffee you already drink (FOCUS powder delivers 2,000mg of Lion's Mane extract per serving, more than most mushroom coffees claim in the whole cup), or skip the coffee entirely with a sparkling functional drink at 1,000mg per can. If you want coffee that tastes like coffee, buy a mushroom coffee brand that publishes its dose and its batch tests.

    Three ways to take your mushrooms

    Three ways to take your mushrooms
    Mushroom coffee brandFOCUS powder in your own coffeeFOCUS sparkling drink
    Mushroom doseOften small and rarely disclosed2,000mg Lion's Mane fruiting-body extract per serving1,000mg extract, printed on the can
    CaffeineLower than regular coffee; amount varies by brandWhatever your usual cup hasNone
    Other activesVaries; often just the mushroomKorean Ginseng, algae Omega-3, Vitamins B12 and D3Korean Ginseng and B vitamins by product
    TasteCoffee with an earthy edgeYour normal coffee, unchanged in practiceLightly sparkling citrus, no coffee taste
    Approved UK claimNone for the mushroomVitamin B12 contributes to normal psychological functionB vitamins: psychological function and tiredness
    RitualKeeps the coffee ritualKeeps your exact coffee, adds one scoopReplaces a second or third coffee

    What to check before buying a mushroom coffee

    What to check before buying a mushroom coffee
    CheckWhy
    Is the dose stated?Some list a proprietary blend without extract amounts — you cannot compare what you are not told
    Fruiting body or mycelium?Fruiting-body extract is the mushroom proper; mycelium-on-grain is cheaper and weaker
    Batch tested?A brand confident in its extract publishes certificates
    Caffeine levelAsk how much caffeine per cup — some are close to regular coffee

    The trade-offs

    FOCUS powder stirred into coffee (Grass & Co.)

    • 2,000mg fruiting-body extract per serving — a stated, tested dose
    • Keeps your coffee exactly as you like it
    • Vitamin B12 carries an approved psychological-function claim
    • Batch certificates published
    • We do not sell a coffee — you supply the beans
    • Does not reduce your caffeine at all
    • An extra step on busy mornings

    A mushroom coffee brand

    • Coffee taste with less caffeine in one cup
    • Simple swap, no extra step
    • Dose often undisclosed or small
    • Quality and mycelium-vs-fruiting-body vary widely between brands

    FOCUS sparkling drink (Grass & Co.)

    • 1,000mg extract per can, no preparation
    • Caffeine-free, so it suits afternoons
    • Low sugar
    • Not a coffee — no coffee taste or lift
    • Costs more per serve than coffee at home
    The verdict

    If you love coffee and want mushrooms with a stated dose, skip the mushroom-coffee shelf and stir 2,000mg of FOCUS powder into the cup you already make. If the point of mushroom coffee is drinking less caffeine, a sparkling FOCUS can removes it entirely at 1,000mg per can. Only buy a mushroom coffee brand that publishes its extract dose and its tests.

    Where Grass & Co. loses

    We do not sell mushroom coffee. If you want the taste of coffee with less caffeine in one step, we lose — a brand that publishes its dose would serve you better. And if you want the cheapest possible mushroom routine, plain capsules cost less per serving than our powder.

    Mentioned in this piece

    Questions people ask

    What is mushroom coffee?
    Coffee with part of the grounds replaced by mushroom extract, usually Lion's Mane, Chaga or Cordyceps. It keeps the coffee taste with somewhat less caffeine. Most brands do not state the mushroom dose per cup.
    Can I make my own mushroom coffee?
    Yes — stir a scoop of extract powder into brewed coffee. FOCUS powder delivers 2,000mg of Lion's Mane fruiting-body extract per serving and mixes into hot or cold drinks.
    How much Lion's Mane is in mushroom coffee?
    It varies and is often undisclosed; where brands state it, doses are typically a few hundred milligrams per cup. For comparison, FOCUS powder delivers 2,000mg of extract per serving.
    Does mushroom coffee have health benefits?
    Mushrooms have no authorised health claim in the UK, so no mushroom coffee can promise focus or clarity. Vitamin B12 contributes to normal psychological function, which is why we pair B12 with our extracts.
    Does mushroom coffee taste of mushrooms?
    Slightly — most describe an earthy edge under the coffee. Stirring extract powder into your own coffee adds a similar mild earthiness without changing the drink.

    More comparisons

    Grass & Co. products are food supplements and are not intended to diagnose, treat, cure or prevent any disease. Do not exceed the stated dose. Most products are for adults; CBD is for adults only.