What 45 Days of Data Tells Us About MycoThrive in Logic Lion's Mane
Anthony Gucciardi
Why a second study changes the conversation
When we launched Logic, we had one clinical trial behind the MycoThrive™ lion's mane inside it. It was a good one, randomized, double-blind, placebo-controlled, and it measured what happens in the first two hours after a single dose. That was genuinely new. Most of the lion's mane category had been sold on the idea that you take it for months and hope.
What we did not have was the other end of the timeline. If someone asked me what the research said about taking it every day for six weeks, the honest answer was that the trial had not looked.
Now there is a second study, and it did.
This article is general information, not medical advice. If you take prescription medication, are pregnant or nursing, or manage a health condition, speak with your doctor before adding any supplement.
What the 45-day trial actually did
The Center for Applied Health Sciences ran a 45-day randomized, double-blind, placebo-controlled trial in 87 healthy adults between the ages of 40 and 65, published in the Journal of Translational Science.
Three groups. One took a gram a day of the MycoThrive™ lion's mane fruiting body extract, the same standardized ingredient that goes into Logic. One took a gram a day of a commercial mushroom blend made from mycelium and fruiting body, the format a large share of the category actually sells. The third took a maltodextrin placebo.
That third arm matters, but so does the second one. This was not simply active versus nothing. It was our ingredient against a real competitor format, run under the same protocol, at the same dose, at the same time.
The finding that got my attention
After 45 days, the group on the pure fruiting body extract reported significant improvements from their own starting point in day-to-day memory, concentration, mental clarity and focus.
But the result I keep coming back to is the gut one.
Only the fruiting body group showed a statistically significant increase in Faecalibacterium prausnitzii. The commercial mycelium blend did not. Same duration, same daily amount, same study.
F. prausnitzii is one of the more interesting organisms in the human gut. It is a major producer of butyrate, a short-chain fatty acid that the body uses well beyond digestion. The gut-brain axis is an area where I would caution anyone against overclaiming, the mechanism work is early and a lot of what gets said about it online runs far ahead of the evidence. But a measurable microbial difference between two mushroom products, in a controlled trial, is not a small thing. It is the first hard data I have seen that the fruiting-body argument is more than a sourcing preference.

Where I have to be careful, and will be
Here is the part most brands leave out, and I would rather you hear it from me.
When the researchers compared the groups against each other on the primary neurocognitive battery, neither active formulation separated from placebo. The improvements I described above are within-group, measured against where each participant started, not against the placebo arm.
That distinction is real and it matters. A within-group change can reflect practice on a repeated test, or regression to the mean, or simply the passage of time. It is weaker evidence than a placebo-controlled difference, and I am not going to dress it up as something it is not.
The same is true of the acute trial. It is why you will not see us claim a percentage improvement over placebo, and why we rewrote a good deal of our own site when we understood the distinction properly.
What I will say is this: two independent trials, different designs, different populations, different timeframes, both found measurable change in the people taking this extract. That is worth paying attention to. It is not proof of anything, and the field needs larger and longer studies to settle it. The authors of the acute trial said as much themselves.
Why we chose fruiting body in the first place
We made this decision before either study existed, and for a simpler reason.
A great deal of lion's mane on the market is mycelium grown on grain. The mycelium and the grain it grew on cannot be fully separated, so what ends up in the capsule is a mixture, often with considerably more starch than anyone advertises. The fruiting body, the visible mushroom, is where the hericenones concentrate. We wrote about the difference in fruiting body versus mycelium, and about how to check a label for it in how to read a mushroom supplement label.
It cost more. It still costs more. The 45-day trial is the first time I have been able to point at a controlled comparison and say the choice showed up in the data.
What this means if you take Logic
Practically, not much changes. Take it daily, as directed.
What changes is what I can tell you honestly about the timeline. The acute study suggests something measurable happens within the first couple of hours of a single dose. The 45-day study suggests continued use is doing something further. Those are two different questions and they now have two different answers, which is more than this category usually offers.
One note on dose, because we publish it everywhere and I will repeat it here. Both trials used 1,000 mg per day of the MycoThrive™ powder. Logic delivers 970 mg per day, 485 mg taken twice, of that same standardized extract in an alcohol-free liquid. The ingredient is the same. The format and the daily total are close but not identical, and I would rather say that plainly than let anyone assume otherwise.
The unglamorous part
We are still working to obtain the full published paper rather than a summary of it. Until that is in hand and reviewed, you will not see specific percentage figures from the 45-day trial on our site, and our scientific review panel has not yet assessed it, every review statement currently published predates this study.
That is slower than I would like. It is also the only way I know to run this that I can defend a year from now. Everything we have on both trials, including the limitations, is set out on our References and Clinical Evidence page.
Frequently asked questions
What was the 45-day MycoThrive study? A randomized, double-blind, placebo-controlled trial in 87 healthy adults aged 40 to 65, run by the Center for Applied Health Sciences and published in the Journal of Translational Science. It compared a gram a day of MycoThrive™ fruiting body extract against a commercial mycelium-and-fruiting-body blend and against a placebo.
What did the fruiting body group show? Significant improvements from their own baseline in day-to-day memory, concentration, mental clarity and focus, plus a significant increase in Faecalibacterium prausnitzii, a butyrate-producing gut species.
Did it beat the placebo? Not on the between-group comparisons across the primary neurocognitive battery. The improvements reported are within-group changes from each participant's own starting point, which is weaker evidence than a placebo-controlled difference.
How is this different from the first study? The first trial measured a single 1,000 mg dose over two hours in 40 healthy adults. This one measured daily use across 45 days in 87 adults. Different question, different design.
Does Logic contain the same amount used in the studies? Close. Both trials used 1,000 mg per day of MycoThrive™ powder. Logic provides 970 mg per day, 485 mg twice daily, of the same standardized extract in liquid form.
Why does fruiting body versus mycelium matter here? Only the fruiting body group produced a significant increase in F. prausnitzii in this trial. The mycelium blend, at the same daily amount over the same period, did not.
Sources
La Monica MB, Raub B, Ziegenfuss EJ, et al. Acute Effects of Naturally Occurring Guayusa Tea and Nordic Lion's Mane Extracts on Cognitive Performance. Nutrients. 2023;15(24):5018.
Center for Applied Health Sciences. 45-day randomized, double-blind, placebo-controlled trial of MycoThrive™ Lion's Mane. Journal of Translational Science.
Flores GA, Cusumano G, Venanzoni R, Angelini P. The Glucans Mushrooms: Molecules of Significant Biological and Medicinal Value. Polysaccharides, vol. 5, no. 3, 2024. View source
National Institutes of Health, Office of Dietary Supplements. Dietary Supplements: What You Need to Know. View source
These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.