Dihexa
N-hexanoic-Tyr-Ile-(6) aminohexanoic amide
Dihexa (N-hexanoic-Tyr-Ile-(6) aminohexanoic amide) is a cognitive & mood research compound. Angiotensin-IV analog that potentiates HGF/c-Met signaling to drive synaptogenesis — potent nootropic/neuro-repair.
Dihexa quick facts
| Reported research dosing | 5mg-20mg |
| Route | Oral |
| Cycle length | 4-8 Weeks |
| Frequency | 1x Daily · 5 On 2 Off or Daily |
| Half-life | Not well characterized (oral-active, hours) |
| Forms | Oral, Nasal |
| Evidence level | Animal |
Reported orders-of-magnitude stronger than BDNF at building synapses. Powerful and early — respect it.
How Dihexa works
Angiotensin-IV analog that potentiates HGF/c-Met signaling to drive synaptogenesis — potent nootropic/neuro-repair.
Proposed benefits
Synaptogenesis for memory and cognition (potent HGF/c-Met pathway).
Human clinical evidence
- No human trials. It never left preclinical development, so the ceiling on what anyone can claim is a rodent model — and rodent models of this endpoint have a poor record of transferring.
📊 Correlative data
- Small community use, mostly for cognitive recovery. The safety record is community reports only, and for a compound this potent at promoting synapse formation that gap is worth taking seriously rather than waving through.
- Beyond that, the record is self-reported. Community dosing logs are real information about tolerability and nothing at all about efficacy: nobody posts the cycle where they felt no different, so what survives is a filtered sample that will always look better than the truth.
🧪 How the mechanism reads
- An angiotensin IV analogue that potentiates hepatocyte growth factor signalling through the c-Met receptor. Rodent work reports it is orders of magnitude more potent than BDNF at promoting synaptogenesis, with cognitive restoration in lesion models.
- c-Met is also an oncogene, amplified in several cancers. A compound whose mechanism is potent growth-factor receptor activation carries exactly the proliferation question that BPC-157 and the IGF analogues do, and here it is aimed at the brain.
These tiers tell you how much human evidence exists — not how well something works. This is the research space, and most of what’s in here is new rather than disproven. Something sitting at “theoretical” usually means nobody has funded the trial, not that the trial was run and failed.
The trap runs the other way too: something can be clinically validated and still do very little for you specifically. A statistically significant result in a study population is not a promise about your body.
- ✅ Clinically validated — human randomised trials or meta-analyses support it. The strongest footing available.
- 📊 Correlative — observational or epidemiological data. Suggestive, and genuinely useful for direction, but it cannot establish cause.
- 🧪 Theoretical / mechanistic — the mechanism is understood and often demonstrated in cells or animals, and the human trial doesn’t exist yet. Unproven is not the same as ineffective. Plenty of what’s standard practice today sat here five years ago.
✗ is a safety flag, not a grade. Where you see it, the concern is harm — not a disappointing trial. A compound tested for one purpose and found not to help there can still be worth studying somewhere else, so a negative result never gets rendered as a cross. It sits alongside the tier, because something can be both well-studied and genuinely risky.
My job is to tell you which one you’re looking at, and let you make the call. Grading something low isn’t me dismissing it — it’s me refusing to oversell it. This is the research space, and being able to reason forward from a mechanism matters as much as waiting for the trial.
Dihexa — safety, predicted from mechanism
Much of this compound class has never been through a human safety trial. Rather than say nothing — or print a generic warning — this is what its known mechanism predicts could go wrong, and what you can do about it. Predictions are labelled as predictions.
What the mechanism predicts
Derived from what this molecule does, not from a trial.
- This class is broad, but the predicted problems cluster by mechanism rather than by molecule. Cholinergics (racetams, and anything raising acetylcholine) predict headache — the classic one, from choline demand outrunning supply. Dopaminergics and eugeroics predict tolerance, sleep disruption and a flat mood on the days off. Anything glutamatergic or AMPA-facing carries a theoretical excitotoxicity concern at high doses.
- The pattern worth internalising: anything that borrows performance from tomorrow eventually presents the bill. Sleep is the most common currency it gets paid in.
What has actually been reported
- Headache is the most reported effect across the racetam family and usually responds to added choline.
- Irritability, blunted affect and a rebound low on cessation are commonly reported with the stimulant-adjacent members.
- Most of this class has little or no controlled human safety data at the doses actually used.
How to reduce the risk
Each of these follows from the same mechanism as the prediction.
- Take a choline source with any racetam. The headache is the mechanism running out of substrate, and it is largely preventable rather than something to push through.
- Dose in the morning. Almost everything in this class has a longer functional tail than its half-life suggests, and sleep is the first thing you lose.
- Use them for something, not as a habit. The compounds that carry tolerance genuinely reward intermittent use aimed at a task, and genuinely punish daily use aimed at feeling normal.
- One at a time, and long enough to judge it. This is the class where people stack five and cannot tell you which one is doing anything — and the effects are subjective, so attribution is already hard enough.
- If you need it to feel normal, stop. That is the line where a tool has become a dependency, and it is the one worth watching for.
What it does to your bloodwork
A fact about the assay, not a guess about the drug.
- No routine marker tracks these. Sleep is the assay — if it is degrading, the compound is costing more than it is producing, and that shows up before anything else does.
Don't run this if
- A seizure history — several of these lower the threshold at least theoretically, and it is not worth establishing empirically.
- Bipolar disorder, for the dopaminergic members especially.
- Alongside prescribed psychiatric medication without knowing exactly how the mechanisms overlap.
The honest unknown
- Chronic use is essentially uncharacterised. The specific unmeasured thing is what daily cholinergic or dopaminergic pressure does to baseline function over years — not whether a few weeks is tolerable.
Not medical advice. If you take prescription medication or have a diagnosed condition, check this with a pharmacist or doctor.
With food
Absorption is better with a meal, and for anything fat-soluble the fat is doing the work rather than the food generally. This is also the version that is easiest to actually remember, which matters more than it sounds.
Derived from half-life, route and mechanism — not from a dosing trial. Reasoned, and labelled as reasoned.
Where to get Dihexa
Buy Dihexa at AminoWell USA →Dihexa — interference & stacking
Predicted from mechanism, not from an interaction study. There are no trials of these combinations — what follows is what the biology implies, so treat it as a reason to watch something, not as a finding.
What Dihexa moves on your bloodwork
These are the markers this compound is expected to move, and which direction. Knowing that in advance is mostly about NOT panicking: some of these moving is the compound working.
- Comprehensive Metabolic Panel (CMP) — ◆ worth watching
Most of this class has no predicted marker movement at all, and saying so is more useful than listing markers that will not move.
What to do: A baseline liver panel is reasonable for anything taken daily and long-term. Beyond that there is nothing specific to chase.
- Which compounds push the same lever, and why the dose adds up faster than people count
- What blunts it — the stacks that waste your money
- What compounds the risk, so a side effect arrives sooner than any one of them suggests
- Coach Cam's read on running it alongside the rest of your protocol
Get the complete breakdown for Dihexa — inside the Academy alongside the full interactive Vault.
Unlock in the Academy — $10/mo →Bloodwork to run alongside Dihexa
Run these before you start, and again after 8–12 weeks. A baseline you didn’t take is one you can never go back for.
| Marker | What it’s watching for |
|---|---|
| TSH (Thyroid-Stimulating Hormone) | Thyroid disease imitates every cognitive complaint there is |
| Vitamin B12 | Deficiency causes fog long before it causes anaemia |
| Methylmalonic Acid (MMA) | Catches the deficiency a normal B12 hides |
| Ferritin | Low iron flattens cognition at levels most labs call fine |
| Vitamin D (25-Hydroxy) | Commonly low, cheap to correct, associated with mood |
The Brain Fog & Cognition panel covers these in one order — 12 markers, $233.06 with the discount applied.
Check results you already have → · All 102 markers A–Z
Dihexa — frequently asked questions
What is Dihexa?
Dihexa (N-hexanoic-Tyr-Ile-(6) aminohexanoic amide) is a cognitive & mood research compound. Angiotensin-IV analog that potentiates HGF/c-Met signaling to drive synaptogenesis — potent nootropic/neuro-repair.
What dosing does the research reference for Dihexa?
In the research literature, Dihexa is referenced in the 5mg-20mg range, 1x Daily · 5 On 2 Off or Daily. For research use only — not a recommendation for human use.
What is the half-life of Dihexa?
Dihexa has an approximate half-life of Not well characterized (oral-active, hours), which is part of what determines how often it's dosed.
What forms does Dihexa come in?
Dihexa is available as: Oral, Nasal.
What's the evidence behind Dihexa?
Current evidence level: Animal. Dihexa is offered for research purposes only and is not an approved medicine.
Want Coach Cam's exact Dihexa protocol?
Dosing schedules, stacking, cycle timing and my personal notes live inside the Academy — plus the full interactive Vault of 237 compounds & 350 supplements.
Join the Academy — $10/mo →What Dihexa is used for
Dihexa appears under 1 goal in the Vault’s goal router, grouped by the mechanism it works through rather than by how much trial evidence exists. Each link opens that pathway in full, with the alternatives beside it and the bloodwork that tests it.