STUDresearch · Non-peptide
4′-DMA-7,8-DHF
Also known as
4-DMA-7,8-DHF · 4DMA · 4-DMA · Eutropoflavin · 4′-dimethylamino-7,8-dihydroxyflavone · 4'-DMA-7,8-DHF · 7,8-DHF analog · TrkB agonist flavone
Community talk. May be wrong. Not medical advice. Not a protocol. Not for human or animal use.
Non-peptide
Lots of talk
Systemic
Oral / Sublingual
Cognitive research compounds
Systemic flavone discussed orally or sublingually; not a peptide injection.
What people say
A flavone people discuss for mood, social ease and clean focus. 4DMA is a 7,8-DHF derivative marketed as stronger—not a peptide, amphetamine or proven ADHD-medication substitute.
Doses people talk about
Community descriptions, not a dose-finding study or recommended progression. Plain 7,8-DHF 25 mg is a separate parent-compound comparison retained in the notes.
How it may feel
Reports range from easier focus and mood lift to no effect, fatigue, fog or an oddly stimulated feeling. Sleep can improve or become badly disrupted; onset and how long it feels active vary widely.
Capsule reports8–10 mg in the morning
Oral capsule pattern in the original notes; staying at that amount is reported.
20 mg reports20 mg per reported use
Described after 10 mg fades or as a one-off sublingual experiment; the original note does not specify a universal frequency.
Outlier reports30 mg per reported use
Higher-end anecdote, not a daily target. Sublingual use appears in a reviewed account; late stimulation remains a concern.
Half-life & effect duration
- Half-life in the body
- 4DMA half-lifeNo settled estimate
- Felt duration people report
- Community duration estimates8–20 hours or 12–20 hours
- Shorter accountCrash around hour 6
- Longer accountsOvernight stimulation; one report of about 36 hours
- Other accountsNo noticeable effect
Cycles people discuss
Notes include 4–12 weeks on, daily use for months, 1 on / 1 off or 1 on / 2 off, and occasional use. Breaks follow fading effects or sleep problems; TrkB-downregulation explanations remain lore.
Timing
Morning use reflects sleep concerns, not a measured human half-life. Caffeine confounds the effect; study-block pairing and polygala add-ons appear in the same discussions.
Stacks
Solo 8–10 mg reports sit beside caffeine/L-theanine, polygala, phenylpiracetam and Semax/Dihexa stacks. Stimulant overlap and several changes at once complicate sleep and benefit attribution.
Access talk
Sold as a research/nootropic supplement, not a prescription BDNF drug.
Watch for
Sleep disruption / long tail: A prominent concern in the reviewed accounts, including insomnia after early dosing; other users report normal sleep or no effect. These threads do not establish a #1 adverse-effect ranking.
Tap a line to jump into the full notes. Research only — may be wrong.
Timing context & sources
Half-life in the body
Human 4DMA half-life not established in the reviewed material.
The mouse paper follows signaling rather than elimination. Parent-scaffold ~2–2.5 h shorthand and an AI-derived 12–24 h claim in a forum are not human 4DMA PK.
Bounded review, not proof that no study exists. PMC full text was inaccessible; reviewed PubMed abstract/figures supply only preclinical response context.
- Jiang et al. 2013: 7,8-DHF and 4′-DMA-7,8-DHF in Huntington-model mice (opens in a new tab)Abstract; Figure 1 legend (striatum collected 4 h after last administration); Figure 2 legend (oral administration).PubMed abstract and figure legends reviewed; PMC full text returned a browser-check page. These are mouse response measurements, not a human 4DMA plasma elimination curve.
- My experience with 4′-DMA-7,8-DHF (opens in a new tab)OP adviceaccount003; MuscaMurum null response; JaysonChambers 36 h report and AI-derived half-life; GeneralNo8471 30 mg sublingual comment; OP swallowed-capsules reply.Public post and visible comments reviewed. Coffee, prescription stimulants and other supplements occur in different accounts. The AI-generated half-life assertion is not PK evidence; reports do not establish prevalence.
Felt duration people report
Accounts span a 6-hour crash, overnight stimulation and no effect.
One sublingual report describes immediate subtle effects and a peak-like feeling at 4 h. Others describe insomnia into the next morning or a roughly 36 h tail; the old 8–20 h and 12–20 h descriptions remain context, not a typical range.
No common offset, controlled dose or verified formulation; coffee/stimulant and other co-use vary. A feeling lasting longer does not prove a longer plasma half-life.
- 4dma 7,8 peaks in about 4 hours (opens in a new tab)OP wallyxii opening report; Jasaiyan overnight-insomnia reply; mmarrow hour-6 crash reply.Public OP and visible comments reviewed. Unverified product/amounts, uncontrolled reports; mechanistic explanations in replies are speculation.
- My experience with 4′-DMA-7,8-DHF (opens in a new tab)OP adviceaccount003; MuscaMurum null response; JaysonChambers 36 h report and AI-derived half-life; GeneralNo8471 30 mg sublingual comment; OP swallowed-capsules reply.Public post and visible comments reviewed. Coffee, prescription stimulants and other supplements occur in different accounts. The AI-generated half-life assertion is not PK evidence; reports do not establish prevalence.
What people say
- Mood / anhedonia: The loudest win camp — “natural” lift over 1–2 weeks, less rumination. Plenty of nulls. forumanecdote
- Focus / code-flow: Software and study logs of easier attention without a racetam burn. anecdote
- Social ease: Less escalation in arguments, easier conversation — common n=1 language. anecdote
- Energy / stamina: Some treat it as a mild physical-mental stamina pill. Others only get sleepier. forum
- What talk does not prove: Replacing ADHD meds, fixing major depression, or a forever-on BDNF upgrade. forum
- Animal antidepressant / neurogenesis papers are what vendors paste. Not a human depression RCT everyone can name. animal
Doses people talk about
- 8–10 mg morning: Capsule amounts reported in the existing discussion notes; some describe staying at this amount. A reported pattern, not an established default dose. forum
- 20 mg: Common bump when 10 mg fades, or a one-off sublingual experiment. forum
- 30 mg outlier: Rare “Adderall alternative” posts. Sleep tax gets worse in that camp. anecdote
- Sublingual vs swallow: Faster onset sublingual; more sleep disruption if it hits hard. forum
- Plain 7,8-DHF is 25 mg-class, not interchangeable milligram-for-milligram with 4DMA. forum
- Framing: Supplement milligrams from Nootropics Depot–class bottles — not a drug label. forum
How it may feel
- 30–90 minutes (sublingual especially): The existing notes describe a mood/energy bump in the “it works today” camp and slower oral-with-food onset. A reviewed sublingual account instead describes an immediate subtle shift with a stronger effect around 4 hours; onset is not uniform. forum
- Days 1–7: A minority get tired or foggy first, then it clears. anecdote
- Weeks 2–4: Mood/social logs either lock in or fade. This is also when sleep tax shows. forum
- Weeks 4–12: Tolerance talk — bumping 8→20 mg, or it “does nothing.” Polygala-as-TrkB-upregulator is the forum workaround. forum
- Sleep: The split remains: some describe more sleep or vivid dreams, while others report late-dose insomnia. “Lasts 12–20 hours” is retained as community duration language, not a half-life; reviewed replies also include an hour-6 crash, a 36-hour stimulation report and no effect. forum
Around the dose
- Clock: Morning. Night dosing is the insomnia camp. forum
- Caffeine: Often paired. Makes it harder to tell what did what. forum
- Learning: Some stack it with a study block the way Dihexa people do, without claiming the same mechanism. forum
- Polygala shows up as a “keep TrkB from downregulating” add-on. forum
Cycles people discuss
- 4–12 weeks on is the Biomogging-class calendar, then off to respect TrkB downregulation lore. forum
- Daily for months exists in Depot diaries — then people notice sleep or a flat feel and break. anecdote
- 1 on / 1 off or 1 on / 2 off experiments when they want the first-dose feel. forum
- A few times a year is the conservative BDNF-downregulation camp. forum
Timing
- Parent scaffold talk: The quoted ~2–2.5 h plasma figure belongs to parent-scaffold discussion, not an established human 4DMA half-life. The 8–20 h “TrkB feel” language is a subjective report. The reviewed mouse paper measures signaling 4 h after dosing, not plasma elimination; a dependable human bodily half-life was not established in this bounded review. forumanimal
- Morning-use sleep precaution: Morning-only rules appear in insomnia accounts; afternoon use is a recurring concern. This does not guarantee normal sleep even after an early dose. forum
- Not a 90-minute racetam. Downstream BDNF talk is a days-to-weeks story plus an acute mood bump. forum
More on what it is
- What people mean: A 7,8-DHF cousin marketed as stronger, bought for mood and “clean focus.” Not Adderall. forum
- Why people search 4DMA: r/Nootropics and r/NootropicsDepot diaries — mood lift, social ease, “Adderall alternative in a pinch,” and the sleep-tax argument. forum
- Vs 7,8-DHF: Same TrkB research neighborhood. Comparison posts describe 4DMA as a lower-milligram, longer-feel version, but responses vary; plain 7,8-DHF is the 25 mg parent people still cycle. forum
- Not: Not Semax, not Dihexa, not a racetam, not a stimulant amphetamine. forum
- What it is: 4′-dimethylamino-7,8-dihydroxyflavone — Eutropoflavin in vendor talk. A small molecule built from the 7,8-DHF scaffold and studied as a TrkB agonist in preclinical work (Ye lab / Emory papers). Not a peptide. animal
Stacks
- Solo 8–10 mg to see sleep vs mood. forum
- + Caffeine / L-theanine: Common morning pair. forum
- + Polygala: Tolerance workaround talk. forum
- + Phenylpiracetam: First-nootropic stacks; stimulant overlap, sleep risk. forum
- + Semax / Dihexa: BDNF-neighborhood pile-ons. Credit gets messy. forum
Access talk
- Sold as a research/nootropic supplement, not a prescription BDNF drug. forum
- Nootropics Depot–class bottles are the diaries, not a pharmacy INN. forum
- Not a compounding-peptide 503A fight. forum
Storage notes
- Capsules or powder. Dry, dark. HyGroscopic lore — keep it capped. forum
- Not reconstituted with BAC water. forum
Watch for
- Sleep disruption / long tail: A prominent concern in the reviewed accounts, including insomnia after early dosing; other users report normal sleep or no effect. These threads do not establish a #1 adverse-effect ranking. forum
- Tolerance / TrkB downregulation lore after weeks. forum
- First-week fog/fatigue in a minority. anecdote
- Not Adderall. People who treat it like a daily stimulant hit the sleep wall. forum
- Identity: 4DMA vs plain 7,8-DHF milligrams are not 1:1. forum
- Unknown long-term human safety at supplement milligrams; the reviewed animal findings are not a human safety table. animal
Evidence mix
Mostly community / anecdote tags
Full: every bullet (trial + community). Use Scan for a faster bro-science read.