Comparison
Bromantane vs N-Acetyl Cysteine
Side-by-side of Bromantane and N-Acetyl Cysteine. Every row below is pulled from the compound schema and will update as our data grows. For deeper reads, follow through to each compound page.
Bromantane
Bromantane, the Russian nootropic sold as Ladasten (ADK-709), acts on dopamine to cut fatigue and anxiety without classical stimulant rebound.
N-Acetyl Cysteine
NAC supplement benefits cover glutathione synthesis, liver and antioxidant support, and hangover recovery. Evidence strongest at 1200-2400 mg/day.
Effects at a glance
Bromantane
- •Russian RCT base (Voznesenskaya 2010, n=728) supports 50 mg daily for asthenia and fatigue over 4 weeks
- •Atypical actogenic mechanism: induces tyrosine hydroxylase rather than direct monoamine release
- •Subjective profile is anxiolytic plus mildly motivating, distinct from classical stimulants
- •Long half-life of around 11 hours supports once-daily morning dosing
- •WADA-banned since 1996; relevant for tested athletes
- •Western evidence base is thin; most published trials are Russian-language and not independently replicated
N-Acetyl Cysteine
- •Replenishes intracellular glutathione by supplying cysteine, the rate-limiting amino acid for synthesis
- •First-line antidote for acetaminophen toxicity, restoring hepatic glutathione before fulminant injury occurs
- •Reduces sputum viscosity in chronic bronchitis and COPD at 600 to 1200 mg/day over months
- •Modest symptom reductions in OCD and trichotillomania at 1200 to 2400 mg/day across small RCTs
- •Mixed evidence for psychiatric adjunct use in bipolar depression and schizophrenia negative symptoms
- •Inhaled forms can trigger bronchospasm in active asthma; oral use is the standard biohacker route
Side-by-side
| Attribute | Bromantane | N-Acetyl Cysteine |
|---|---|---|
| Category | nootropic | supplement |
| Also known as | Ladasten, ADK-709, N-(4-bromophenyl)adamantan-2-amine | NAC |
| Half-life (hr) ↗ | 11 | 5.6 |
| Typical dose (mg) ↗ | 75 | 1200 |
| Dosing frequency | daily, morning | 1 to 3 times daily, split dosing preferred |
| Routes | oral | oral, iv |
| Onset (hr) | 3 | 1 |
| Peak (hr) | 168 | 2 |
| Molecular weight | 280.21 | 163.19 |
| Molecular formula | C16H20BrN | C5H9NO3S |
| Mechanism | Indirect dopaminergic and serotonergic actogenic activity via induction of tyrosine hydroxylase and selective increases in serotonin synthesis in hippocampus and hypothalamus. | Deacetylated to cysteine, the rate-limiting precursor for glutathione synthesis; also directly scavenges reactive oxygen species and modulates glutamate signaling. |
| Legal status | Approved in Russia (Ladasten); unscheduled and unapproved in US, EU, UK | OTC in most jurisdictions; restricted periods in US history (FDA reclassified 2022) |
| WADA status | banned | allowed |
| DEA / Rx | Not scheduled in the US | OTC supplement (US, post-2022); Rx indications also exist (acetaminophen overdose, mucolytic) |
| Pregnancy | Not recommended | Used clinically in pregnancy for specific indications; consult clinician |
| CAS | 87913-26-6 | 616-91-1 |
| PubChem CID | 9576456 | 12035 |
| Wikidata | Q4093816 | Q413299 |
Safety profile
Bromantane
Common side effects
- mild GI upset
- headache
- skin rash
- occasional insomnia at higher doses
Contraindications
- pregnancy
- lactation
- severe hepatic impairment
- severe renal impairment
- pediatric use
Interactions
- MAOIs: theoretical additive dopaminergic and serotonergic activity(major)
- levodopa and dopamine agonists: additive dopaminergic activity(moderate)
- SSRIs and other serotonergic drugs: theoretical serotonergic additivity(moderate)
- classical stimulants: theoretical additive activity, undocumented(moderate)
N-Acetyl Cysteine
Common side effects
- sulfur-like taste or odor
- nausea
- flatulence
- diarrhea
Contraindications
- active asthma attack (inhaled form can trigger bronchospasm)
- known NAC hypersensitivity
Interactions
- nitroglycerin: potentiates vasodilation, risk of hypotension and headache(moderate)
- activated charcoal: reduces NAC absorption when used for acetaminophen overdose(moderate)
- anticoagulants: theoretical additive antiplatelet effect at high doses(minor)
Which Should You Take?
N-Acetyl Cysteine comes out ahead for most readers on the criteria we weight: 3 catalogued goals, OTC, oral dosing, with a Tier-A outcome catalogued. Bromantane is the right call when one of the conditionals below applies.
- → If your priority is focus or working memory, pick Bromantane.
- → If your priority is fatigue resistance, pick Bromantane.
- → If your priority is healthspan extension, pick N-Acetyl Cysteine.
- → If your priority is post-training recovery, pick N-Acetyl Cysteine.
Edge case: If you want to avoid controlled substance, N-Acetyl Cysteine is the more accessible choice.
Default choice: N-Acetyl Cysteine. Wider use case, a Tier-A evidence outcome catalogued, and broader goal coverage. Reach for Bromantane only if your priority sits squarely in the goals it owns above.
This verdict is generated from each compound's schema (goals, legal status, evidence outcomes, dosing route). It updates automatically as our compound data evolves; the deeper read sits on each individual compound page.
Common questions
What is the difference between Bromantane and N-Acetyl Cysteine?
Bromantane and N-Acetyl Cysteine differ in category (nootropic vs supplement), mechanism, and typical dosing. See the side-by-side table for full details.
Which has a longer half-life, Bromantane or N-Acetyl Cysteine?
Bromantane half-life is 11 hours; N-Acetyl Cysteine half-life is 5.6 hours.
Can you stack Bromantane with N-Acetyl Cysteine?
Stack compatibility depends on mechanism overlap, legal status, and individual response. Check each compound page for specific interactions and contraindications before combining.
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