Complete dosage information for LSA — threshold, light, common, strong, and heavy dose ranges across 2 routes of administration.
Full LSA profileImportant Safety Notice
Dosage information is for harm reduction purposes only. Individual sensitivity varies greatly. Always start with the lowest effective dose and work your way up slowly. Never eyeball doses — use a milligram scale.
## Can You Fatally Overdose on LSA? No death has been directly attributed to LSA's pharmacological action alone in the medical literature. The compound shares the wide therapeutic index characteristic of the lysergamide class. However, this does not mean seed consumption is without serious risk — a systematic review of 189 documented adverse cases found that 12.3% required medical attention, one case of PRES required 9 days of hospitalization, and one suicide was documented following LSA-induced psychosis. The more likely "overdose" scenario is psychological: taking more than you can handle, resulting in hours of overwhelming nausea, severe vasoconstriction, and a disorienting dreamlike state that you cannot escape or reality-test. ## Recognizing a Crisis Seek immediate emergency medical attention for: - **Severe vasoconstriction symptoms** — extreme coldness, numbness, or color changes in extremities; chest pain - **Seizures** — documented in LSA adverse events, particularly concerning if combined with seizure-threshold-lowering drugs - **Signs of serotonin syndrome** (if combined with serotonergic medications): muscle rigidity, rapid temperature rise, agitation, clonus - **Psychotic symptoms** — paranoid or persecutory delusions, severe agitation, behavior that is dangerous to self or others - **Severe sustained vomiting** with inability to keep fluids down (dehydration risk) - **Complete unresponsiveness or catatonia** - **Self-harm attempts or expressed suicidal intent** ## What to Do For psychological distress (the most common scenario): - Move to a calm, quiet environment. Dim lights, reduce stimulation - Horizontal position — the sedation is working with you, not against you. Do not fight it - Calm, simple reassurance: "You ate seeds. This is temporary. The nausea will pass. You are safe" - **Benzodiazepines** (diazepam 10–20 mg or alprazolam 0.5–1 mg) reliably reduce psychological intensity - **Do not give cannabis** — it will almost certainly make things worse - Cold water on wrists and face can help with grounding - Ginger tea may help if nausea is the primary distress For medical emergencies: call emergency services. Good Samaritan laws in many jurisdictions protect people who seek help during drug-related emergencies. Treatment is supportive — no specific antidote exists for LSA. ## After a Difficult Experience Talk through what happened with a trusted person within the first few days. Avoid additional psychedelic use for at least several weeks. Monitor for persistent anxiety, depersonalization, or visual disturbances and seek professional support if symptoms continue beyond a few weeks.
A common oral dose of LSA is 100–250 seeds.
The threshold dose for LSA via oral is approximately 20 seeds.
LSA typically lasts 6–10 hours via oral.
LSA can be taken via oral, sublingual. Each route has different dosage ranges and onset times.