*Free domestic shipping only, does not apply to International Shipping.
129 In stock
Warning: Due to our small-batch Texas farm production, we typically sell out within 2-3 weeks of restocking. Current inventory:
Arrives in 1-3 days, if you order now
ZERO-RISK 30-Day 'Feel The Difference' Guarantee: Try Flow for a full month. If you don't notice sharper focus, better recall, and all-day mental clarity—we don't just refund you, we INSIST on it. Simply email us and keep the bottle. Your success is our only concern.
Unlock superior cognitive performance and focus with this premium Lion’s Mane mushroom extract, designed for achievers who demand excellence in brain function.
Question 1: What is the extraction method used in this product?
Answer 1: This product is "Full Spectrum" in that all beneficial molecules are extracted from the fruiting body of the Lions Mane mushroom. You will get Beta Glucans as well as the Terpines containing Hericenones, meticulously extracted over nearly a whole day, freeze dried and recombined with fruiting body biomass for the most natural and pure powder on the market.
Question 2: Are there any fillers or additives in the capsules?
Answer 2: No, the capsules contain only pure Lion's Mane fruiting body extract and stabilizing maltodextrin and Biomass, with no grain fillers, mycelium on grain, or artificial additives.
Question 3: How long can I store this product, and will it remain effective?
Answer 3: We recommend an effective shelf life of up to 1 year if properly stored with the cap on, in a cool dry place.
We offer Free Express Shipping on all orders! Please allow 1-2 Business Days for us to process and ship your order. Estimated Arrival Time: 7-12 business days.
Some say Lion's Mane is "Nature's Adderal" due to a set of molecules that have been heavily studied since the 90's, called Hericenones.
These molecules stimulate the body to produce a substance called NGF (Nerve Growth Factor), that our bodies stop producing in large quantities around the age of 12...around the same age we become fluent in our primary language.
✔ Lion's Mane stimulates production of NGF, powerful at promoting Neuroplasticity and a strong Neuroprotective.
✔ Improve your baseline focus so you can stay locked in...without the caffeine jitters or energy drink crash.
✔ Support long-term brain health and wellness and improve your baseline cognitive function.
Many professionals struggle with maintaining focus and clarity in their demanding day-to-day tasks. This supplement offers a powerful solution to enhance your cognitive abilities and unlock your full potential.
✔ Sustained mental clarity
✔ Natural neuroprotective support
✔ 100% pure Lion's Mane extract
Every mushroom that goes into our extract was grown by us personally.
Full disclosure: We didn't really trust anyone else to deliver the level of quality we were looking for in a Lion's Mane supplement, so we decided to grow them ourselves from cell cultures, on our farm in Texas.
They get extracted and encapsulated by a small owner-run company in Pennsylvania.
Can we call it an "Artisan Supplement"?
Perhaps...
Either way, enjoy these wonderful molecules we extracted just for you, from a fungi we've known intimately for years.
We pack a 30 day supply into a durable, PET plastic, travel size bottle. Each dose of 130mg is good for a whole day for general wellness. Though, you can take two at a time for a therapeutic dose.
We only extract from Fruiting Bodies and Never "Mycelium-On-Grain", so we don't dilute the molecules that make the magic happen.
| Cortex Supplements | Others | ||
|---|---|---|---|
| 36:1 Dual Extract |
|
|
|
| 100% Fruiting Body |
|
|
|
| No "Mycelium-on-Grain" |
|
|
|
| 30 Day Supply |
|
|
|
| Travel Size Bottle |
|
|
|
| Small Batch Made |
|
|
|
| No artificial additives |
|
|
|
| Easy and quick to consume #2 capsule |
|
|
|
36:1 Dual Extract Potency
100% Fruiting Body Extract
Supports Cognitive Performance
Neuroprotective Benefits
You can try our product completely risk-free, backed by our 30-day money-back guarantee. If you’re not thrilled with your results, simply return it for a full refund—no hassle, no questions.
We maintain end to end control over production and extraction so we can guarantee the extraction is done on 100% fruiting body. It's also more potent than any on the market, with each dose containing 130mg of pure crystaline Beta Glucans and Hericenone containing Terpenes.
The primary mechanism for supporting cognitive health are the Hericenones. These molecules have been studied since the 90's and stimulate the release of Nerve Growth Factor, a molecule that is produced by our bodies as a natural neuroprotective, improving neuroplasticity and neuron growth.
Yes. In short, we source everything ourselves. Our team grows and dehydrates the mushrooms in Texas ourselves and we personally know our extractor. This isn't bulk powder from China, grown on questionable materials and stored for years until sold and packaged under a "Private Label". The batch you're receiving existed in a medicinal mushroom likely 3 to 6 weeks before consuming it. Our team has over 20 years combined in producing Lions Mane supplements and are passionate about delivering the most premium product and delivery method to you possible.
Yes. However, to get the best effects, we recommend choosing a popular dosing protocol that involves periodic breaks. Of course if you want to take it as needed, you should feel the effects within an hour or two.
The answer to that is No, and we're very careful about that. We produce the mushrooms ourselves, ship the biomass to a trusted extractor who directly packages them. We don't trust 3rd party powder so we can guarantee ZERO mycelium-on-grain or grain extracts and a LOW shelf life. The only additives we include are Maltodextrin and we reintroduce a tiny amount of spent Fruit Body biomass. The only purpose of this is to stabilize the naturally occurring sugars that are extracted incidentally and maintain a shelf stabile powder. This is necessary and there is no physical way around this for a capsule.
Overall rating: 4.5 / 5 from 39 reviews.
After taking Cortex Flow for several months, I've had great results, and the quality is consistent.
Clear Head. All Day. No Crash.
Store owner replied: I’m so glad you had a good experience with it! Love to hear it.
Three years deep in the nootropics rabbit hole. r/Nootropics is my second home. I've tested a lot of Lion's Mane — Real Mushrooms, Host Defense, a couple others. Cortex Flow is the best I've tried. The 36:1 ratio is not marketing fluff, you genuinely feel the difference versus a standard 8:1 extract. Host Defense is basically a gut health supplement at this point — there's almost no nootropic activity. The dual extraction here actually captures both the beta-glucans AND the hericenones which most brands skip because it costs more to do right. The Texas sourcing is a huge plus for me personally. I don't want bulk powder from China sitting in a warehouse for two years. This one wins.
Store owner replied: We're stoked you had such a great experience. Sounds like you've done your research and it means a lot that you landed on our product! Mush Love!
I'm an attorney and my brain is literally how I pay my mortgage. Started noticing memory lapses mid-argument that genuinely scared me — I'm 37, this shouldn't be happening. A colleague recommended Cortex Flow and I was skeptical because I've tried things before that did absolutely nothing. Six weeks in and I can tell you the word retrieval is back. I'm not blanking on case details in depositions. I sleep the same, no jitters, no anxiety. The company is transparent about how they source and process which matters to me — I research everything before I put it in my body. Clean product. Wish I'd found this two years ago honestly.
This bottle of Flow is a delicate lightweight asset that I carry in my purse everyday. I've tried a lot of supplements and this one's production is held to a higher standard. I was immediately impressed with the quick delivery and the design of the bottle. No weird after tastes, it tastes great and lowered my blood sugar. I do prefer to take it with my lunch as that's the time of day that works best for me to be fully present to support my customers and family. Not only did I notice an improvement in my cognitive abilities but my colleagues and leaders also started to take notice! This supplement helped me shine and get me into my Flow. Highly Recommend! Looking forward to their future products!
Store owner replied: We’re truly glad you had a great experience. Thank you so much for your feedback! 🙂
I work in financial analysis and honestly the cognitive load got to a point where I was seriously worried about my performance. My doctor ran panels, everything came back normal, but I was still thinking through mud every single afternoon. Started Cortex Flow three weeks ago after reading about the fruiting body vs mycelium thing — that research rabbit hole was what sold me on this brand specifically. My recall in client meetings is sharper. I stopped reaching for a second coffee at 2pm. I feel more like myself. No stimulant buzz, no crash. Just cleaner baseline cognition. Really glad I didn't just write this off as another supplement.
I noticed that my memory was a little better after taking these for a couple of weeks
It works but the price is too high
It's only been a couple of days; I haven't noticed much effect yet.
Clear Head. All Day. No Crash.
Store owner replied: Hey Seth, thank you for sharing your honest review of your experience. The beta-glucan actives act over days, but the main active, Hericenones, take several weeks to accumulate in your system. Usually if I stop taking it 3 weeks in, the difference is noticeable! Would love to hear a follow up later 🙂 by email info@cortexsupplements.com Thank you again for your purchase!
I have been using your product now for 10 days and feel like I have a bit more stamina late in the day. More able to finish projects started earlier. Will continue on and hope to see further results
VP at a tech company, manage 40 people, brain never gets a break. Turned 42 this year and the cognitive slowdown started feeling real — slower recall, harder to context switch, that awful afternoon fog. A friend in my mastermind swears by this brand. Two months in and she was right. Feel sharper and more present than I did at 38.
Store owner replied: So glad this is working for you. As someone who also comes from a background in tech, I know how big this can be.
follow huberman and attia so i vet everything. supply chain checks out, extraction method checks out, and more importantly it actually works. permanent in my stack
ops manager, constant context switching all day. biggest thing i notice is recovering faster between tasks. not a miracle pill but does what it says
results took longer than i expected but they did come. used to shut down creatively after lunch, now pushing through to 5pm. stick with it
tax season was brutal this year. colleague put me on this in feb and it helped. sharper focus, no jitters, no crash. already planning to reorder
Store owner replied: Woohoo so glad it helped you! This keeps us going.
I am in my 70's and have been taking Cortex Flow for a month so far. I already see noticeable improvement in memory and even in completing New York Times crosswords. No doubt, I will continue and recommend it to my friends and family.
gave me headaches and stomach issues, stopped after 10 days. company refunded me no problem so theres that. just wasnt for me
Store owner replied: So sorry you experienced this. This is definitely not a normal experience for our customers but I'm glad you let us refund you.
Marketing director, creative output on demand is my whole job and brain fog was quietly tanking my performance. First supplement I've stuck with longer than a month. Took it off for a week to test — immediately felt the difference, went back on. Docking one star only because I'd love a powder option. Capsule is fine but I like adding things to my morning drink.
my wife noticed before i did. she said i seemed more present after work. now i notice it too. the afternoon fog is just gone. simple as that
the 30 day guarantee is what got me to finally try it. three weeks in and I genuinely don't dread afternoons anymore. focus is back.
I invest in health and wellness companies so I understand how most supplements are actually made. Cortex is one of the few I trust — the supply chain transparency is genuinely rare. Noticed reduced brain fog and better morning recall. My one note is I'd love to see third party lab results posted publicly on the site. Product quality is clearly there though.
did my research on hericenones and NGF before ordering. the science checks out and so does the product. recommending to everyone in my founder group
felt nothing after a full bottle. maybe works for other people. at least the refund was easy
12 hour nursing shifts are brutal on your brain. coworker recommended this and I'm glad she did. only 4 stars because shipping was slow but the product itself is great
phd student, dissertation writing needs real sustained focus. cortex flow helps noticeably. had some stomach upset the first week but it passed. smooth since then
tried host defense first, felt nothing. switched to this and night and day difference. the fruiting body thing is real, don't waste your money on the cheap stuff
takes patience, dont expect day one results. by week 3 i was clearly sustaining focus longer in engineering sprints. tried cheaper alternatives before — waste of money. this one is legit
the 2pm wall is just... gone. been in sales 12 years and nothing has helped with that until this. reordering.
focus is sharper and the afternoon slump is way less brutal. love that its actually grown in texas and not some bulk powder from overseas
first year MBA and the brain fog was real. this stuff actually works, been on it a month and retaining way more. made in the US which matters to me
Bought this cynically after seeing it on X, fully expected to feel nothing. I was wrong. By day 10 my coding sessions started going longer without the usual mental fade. I actually track deep work hours in Toggl — went from 3.2 average to 4.7 over the following month. That's not placebo, that's a log file. Still kind of shocked this works.
solid product, notice cleaner focus in planning sessions. wish there were more capsules per bottle but fair value for the quality. will reorder
Quality product! took a couple weeks before i noticed anything but it did kick in. might try taking two at once
Former Adderall user, used it through college, hated what it did to me long term. Been looking for a natural alternative for years and this is the closest thing I've found. It's not the same — it's smoother and cleaner, no anxiety spike — but the focus is genuinely there once it builds up. Notice when I miss a day. 10/10 would recommend.
I'm 44 and watching my dad's memory decline is genuinely terrifying. Started looking into Lion's Mane specifically for neuroprotection and landed on Cortex after learning about the fruiting body vs mycelium issue — most brands are just selling you rice powder. The quality difference is real and I feel clearer and more present than I have in a couple years. This is a permanent part of my stack now.
added it to my coffee this morning and it mixed well. cant wait to see how i feel after finishing the bottle!!
Good quality. It was delivered quick.
Store owner replied: Glad we met your expectations. Thank you!
Running a startup, can't afford a slow brain. Wasted probably $800 on supplements over the years that did absolutely nothing. The Texas farm sourcing is what got my attention — I know enough about the mycelium-on-grain scam to spot a brand that's actually doing it right. Two bottles in and my co-founder asked what changed after an investor meeting. He ordered the same day.
high quality product, added to my morning coffee and works great. highest quality lions mane ive tried and good price for what you get
Senior software engineer, remote work has wrecked my focus over the past two years. Tried a few Lion's Mane brands from Amazon, tried Thesis, even got a short Modafinil script — nothing really clicked long term. Two weeks on Cortex Flow and I'm staying locked in past 3pm without the horrible crash. Not magic but it's the first thing that's moved the needle for me.
