
Prime Forever Skin Preservation Collection
The No7 Prime Forever Skin Preservation Collection is built around a proprietary Antioxidant Peptide blend — described by No7 as their strongest ever broad-spe…

£20.00
KIKI Health Organic Lion's Mane Mushroom Extract Powder is a single-ingredient adaptogenic supplement derived from Hericium erinaceus, a fungus studied for its potential role in supporting cognitive function and nerve h…
Secure checkoutFree delivery over £5030-day returns
Kiki HealthOrganic Lion's Mane Mushroom Extract Powder
The No7 Prime Forever Skin Preservation Collection is built around a proprietary Antioxidant Peptide blend — described by No7 as their strongest ever broad-spe…

Spermidine is a naturally occurring polyamine compound found in wheat germ and a range of other food sources.
Interested in more
personalised recommendations?
Set up your
Profile to connect your wearables, biomarkers and test results. Create a bespoke plan based on your unique biology. Expert-led, evidence-based.
KIKI Health Organic Lion's Mane Mushroom Extract Powder is a single-ingredient adaptogenic supplement derived from Hericium erinaceus, a fungus studied for its potential role in supporting cognitive function and nerve health. The active compounds of interest are hericenones and erinacines, small molecules found in lion's mane that are studied for their ability to stimulate nerve growth factor (NGF) synthesis — a protein involved in the maintenance and regeneration of neurons.
This product suits people who want a clean, unflavoured powder they can fold into an existing routine: stirred into coffee, blended into a smoothie, or mixed into porridge. It is a reasonable consideration for anyone navigating mental fatigue, sustained focus demands, or a general interest in long-term cognitive health. It is not a stimulant and does not produce an immediate noticeable effect in the way caffeine does; consistent daily use over several weeks is how most people assess whether it is working for them.
KIKI Health use an extracted form rather than raw dried mushroom powder, which matters because extraction concentrates the bioactive compounds and improves their availability. The organic certification is noted in the product name. As with all adaptogenic mushrooms, lion's mane is generally well tolerated, though those with mushroom allergies should take care.
Organic Lion's Mane Extract

Follow the dosage on the packaging. The powder can be mixed into water, coffee, or food — it is versatile enough to fit into most daily routines. Consistent daily use over several weeks is typical before assessing effects.
Lion's mane is not a stimulant, so there is no immediate effect to expect. Most people allow four to eight weeks of consistent daily use before drawing conclusions — the proposed mechanisms around nerve growth factor support are gradual by nature.
It is an extract, which means the mushroom material has been processed to concentrate the bioactive compounds. This is generally preferable to raw dried powder, as the key constituents become more available.
Anyone with a known allergy to mushrooms or fungi should avoid this product. If you are pregnant, breastfeeding, or taking medication, check with your GP or pharmacist before adding any new supplement to your routine.
Lion's mane is generally well tolerated alongside other supplements, but combinations depend on your individual health picture. If you are taking prescription medication, particularly anything affecting the nervous system, it is worth a brief conversation with your doctor first.
It can be mixed into water, coffee, a smoothie, or food. Check the packaging for the specific serving size recommended by the brand.
We offer physician-led talks and events to help you learn more about how to deal with stress through movement, mindfulness, and refocusing.
Learn about our next event
Overall Sentiment
4 months ago
Been using this for about six weeks now, stirring half a teaspoon into my morning coffee. Didn't notice much the first couple of weeks, but by week four my focus during long work sessions genuinely felt more sustained. I'm not someone who reaches for supplements lightly, so I was pleasantly surprised. No taste, no fuss. Will keep buying.
4 months ago
Solid product. Mixes cleanly into my matcha, no clumping. Noticed I was less foggy in the afternoons after a few weeks.
5 months ago
Happy with the product itself — I've been adding it to porridge most mornings and I do think my concentration has been better. My only real gripe is the packaging. The resealable pouch is quite small and fiddly to scoop from without spilling. At this price point I'd expect something a bit more practical. Will reorder regardless.
5 months ago
Swapped over from a cheaper brand that used raw mushroom powder rather than an extract. This one feels noticeably cleaner in terms of what I'm actually getting. Too early to comment fully on the cognitive side but stacking it with my morning routine has been seamless.
5 months ago
Work in a demanding environment and started this after a friend's recommendation. Takes a few weeks before you notice anything, which is worth knowing upfront — it's not caffeine. But after about a month, the afternoon slumps became less pronounced. I blend it into a smoothie and genuinely can't taste it.
6 months ago
A blood test is the only way to know what your body actually needs. We’ll tell you which of these supplements is right for you.
Find your panel
A curated selection of products, tools and rituals, carefully chosen by our expert doctors, to benefit you on your wellness journey.
Loading the catalogue…