People often say 1cP‑LSD feels “basically like LSD.” However, beginners frequently make common errors: taking too much, underestimating the 12-hour commitment, mixing substances, or assuming it’s inherently safe because it’s available online. This guide provides clear information on its effects, cautious dosing, risk reduction, and how it compares to classic LSD.
Most of this comes from scientific studies, animal tests, and knowledge of harm reduction.
Worth noting: there aren’t thorough human trials yet. We’re working with what we know.
1cP-LSD at a glance
| Also known as | 1‑cyclopropanoyl‑LSD / 1‑CPA‑LSD / “Curie” |
| Type | LSD-like, a prodrug that turns into LSD in your body |
| Expected feel | Feels like LSD, sometimes called a little milder or smoother |
| Common beginner range | 50–100 µg (start small, don’t rush) |
| Typical full experience | Around 6–12 hours (8 hours is a common report) |
| Onset | 25–60 minutes |
| Peak | About 1.5–2.5 hours after you take it |
| Risks | Anxiety, panic, bad decisions, unsafe settings, mixing drugs, legal trouble |
This article is information only, not medical advice. Laws change depending on where you are. Don’t drive or use heavy machinery on it.
What 1cP-LSD feels like (effects beginners notice)
Dose, mood, and place matter. Evenings on the couch with good friends feel different from crowded festivals. Some things are nearly universal:
Mental and emotional effects
- Thoughts can feel deeper or more meaningful.
- Big lift in mood or emotional openness.
- Ideas and patterns connect in new ways.
- You notice music, conversations, and feelings more.
- Time can get distorted. Sometimes it feels fast, slow, or even stuck.
- Anxiety or worry pops up if you’re tense or in a bad place. Feels stronger in those moments.
Visual and sensory effects
- Colors seem brighter; contrast is amped up.
- Surfaces flow and swirl a little.
- With eyes closed, geometric patterns appear.
- Music becomes rich and layered.
- Sensations in your body are stronger, whether that’s warmth, chills, or tingling.
Physical effects (easy to ignore, but important)
- A fluttery stomach or slight nausea can show up as it starts.
- Heart rate goes up, sweats and temperature shifts are common.
- Jaw can get tight, and you might feel restless.
- Pupils get big.
- Sleeping after can be very tough.
Common downsides (to expect and handle)
| Thought loops or confusion |
| Brief rough spots that pass with calm and reassurance |
| Next day tiredness, especially if sleep was lost |
Dosage guide for beginners (start low, stay in control)
Getting the dose right is key. Too much, and things can go sideways fast.
Typical dose ranges
| Goal | Range | Experience | Beginner notes |
| Micro | 5–20 µg | Tiny dose, won’t feel like a trip | Some try this for focus or mood instead |
| Light | 20–50µg | Soft mood boost, clearer senses | Easier start if you’re new |
| Cautious | 50–75µg | Manageable psychedelic effects | Best place to start |
| Common | 75–150µg | Full trip, visions, deep thoughts | Bump up once you know how you react |
| Strong | 200+µg | Intense, possibly overwhelming | Not for beginners |
Bigger doses bring higher risks: confusion, panic, and risky choices.
Forms (why it’s hard to get the dose right)
You mostly find 1cP-LSD as:
- Blotter tabs: Small squares, usually sold as “100 µg each.”
- Pellets: Pressed pills, often 150 µg.
But the actual dose? It can be off, sometimes by a lot. One 100 µg tab isn’t always equal to another.
Pick your first dose
- Sensitive, anxious, or not sure? Go with 50 µg.
- Feeling good, some experience, a chill day ahead? Maybe 75 µg.
- Don’t start at 100 µg. Too much for day one.
Measure doses safely (use volumetric dosing for accuracy)
Want to split tabs down to the microgram? There’s a way:
- Pick a liquid: Distilled water is fine. High-proof alcohol keeps bacteria out.
- Get a bottle: Clean, labeled, tightly closed.
- Drop in your tab: One tab (say, 100 µg) into a known amount of liquid (10 mL is common).
- Wait 24 hours: Swirl gently, avoid sun and heat.
- Measure precisely: 1 mL = 10 µg if you dissolved 100 µg in 10 mL. Want 50 µg? Draw up 5 mL.
- Store cold: Dark, childproof place is best.
Don’t eyeball tiny pieces. That’s guessing.
Redosing rules
- Wait at least 2–3 hours if considering taking more. The effects creep up slow.
- Stacking doses won’t really extend the trip; might just make the end rough.
- Don’t up the dose late in the day, or sleep is off the table.
Timeline: onset, peak, comedown, and total duration
Block off a whole day. Really.
| Phase | Window | What happens |
| Onset | 25–60 minutes | Subtle body buzz, giggles, short nerves |
| Come-up | 60–90 minutes | Effects ramp up, visuals kick in, nausea sometimes strikes |
| Peak | 1.5–3 hours later | Deep trip, visuals, new thoughts, time gets weird |
| Comedown | 3–6 hours after peak | Things fade, music and downtime feel best |
| After-effects | 12+ hours | Might feel normal, but sleep is still tough |
Tip: Start early. Have the next morning off if possible.
How it works (basic science)
1cP-LSD as a prodrug
Here’s the deal: your body turns 1cP-LSD into LSD.
How? Enzymes pop off part of the molecule, so you feel almost the same as classic LSD.
The science backs this up. Test tubes, animal tests, all point to this conversion.
The brain effects
Main action? Serotonin receptors, mostly 5-HT2A.
That’s the same spot LSD works. Mood and environment get dialed up, good reason to pay attention to how you’re feeling and where you are.
Potency (animal studies)
Mice show LSD is about three times stronger than 1cP-LSD by weight.
But people shouldn’t use these numbers for dosing. Stick to harm reduction guides.
Safety tips that prevent bad outcomes
Stay safe by being prepared.
Set and setting checklist
- Pick a safe place. Home is good. Busy, unpredictable places are not.
- Clear your calendar. No appointments, chores, or responsibilities for 12 hours.
- Control your space. You’ll want to change lights, music, and temperature easily.
- Mute distractions. Airplane mode on your phone.
- Set an intention. Something simple: “listen to music” or “explore art.”
Have a sober sitter your first time
Don’t trip alone your first go.
- Find someone you trust. They stay sober all day.
- They know your dose and timing.
- They’re there to reassure, not debate.
- If things go really south, they call for help.
Avoid risky mixes
- Avoid alcohol and uppers. They raise anxiety and confusion.
- Don’t add other psychedelics your first time out.
- On SSRIs, SNRIs, or MAOIs? Talk with a doctor. These combos get complicated fast.
SSRIs and SNRIs can dull the effects and mess with brain chemistry.
MAOIs? They’re much riskier, mixing can cause a dangerous reaction.
If you or family have a history of psychosis, avoid psychedelics entirely.
Test before you trust
- Use test kits, like Ehrlich’s, to check it’s really a lysergamide and not a dangerous copycat.
- A strong bitter or metallic taste? Spit it out. Genuine lysergamides are nearly tasteless.
- Stick to sellers with a good track record. Unknown tabs are higher risk.
Some labs use fancy machines (like LC-MS, GC-MS, NMR, IR) to prove what’s actually in tabs.
Some vendors even show lab reports, but outside confirmation is best.
How to handle a bad trip
If things get tough, remember: it will pass.
- Change rooms. Find a calmer spot.
- Slow your breathing. Count in and out; drink some water.
- Tune your senses. Softer music, dimmer lights, cozy up in a blanket.
- Talk to your sitter. Gentle reminders: “You’re safe,” “It’ll be over soon.”
- If someone’s a danger to themselves or others, or unresponsive, get help immediately.
Next day aftercare
- Drink water and eat something light.
- Let yourself sleep when you can.
- Go for a walk or stretch.
- Hold off on big decisions for a day or so.
Tolerance and spacing trips
You can’t trip hard two days in a row.
Tolerance builds fast, wait at least 5–7 days before trying again, but 14 days is better.
This isn’t just about 1cP-LSD; tolerance crosses over to LSD and other classics (like mushrooms).
Legal status (by country, as of 2026)
Legal stuff is messy and can change overnight.
Some countries have specifically banned 1cP-LSD. Others use “analogue laws” that lump 1cP-LSD with LSD if it’s meant for people.
“For research only” labels don’t really protect you. Always check your local laws.
| Region | Status (2026) | In practice |
| United States | Not scheduled at the federal level, but risks are real under the Analogue Act. Some states ban it. | Risky, possession and sale can be prosecuted. |
| Canada | Not controlled (as of 2026). | Legal for now, but could change. |
| Germany | Banned under the New Psychoactive Substances Act (NpSG). | Explicitly illegal. |
| Austria | Likely banned. | Assume illegal. |
| Sweden | Dangerous substance category. | Illegal to possess or sell. |
| Ireland | Legal for research purposes (2026). | Can buy for research, not for taking. |
| Spain/Netherlands | Grey area, depends on lists. | High risk of seizures; grey zone is closing. |
| Australia | Treated as prohibited like LSD. | Illegal. |
| New Zealand | Depends on the listing; analogues often banned. | Likely illegal. |
| East/Southeast Asia | Severe drug laws, more crackdowns reported. | Strict; substances often closely monitored. |
| Africa/Other | Coverage is patchy. | Laws differ by country; assume some risk. |
Buying or shipping can be risky, even if local use is “decriminalized.”
1cP-LSD vs LSD vs other analogs (what’s different, really?)
Lots of LSD cousins are out there. Here’s an at-a-glance overview:
| Substance | Effects description | Potency | Timing | Legal notes |
| LSD | The original; most studied. | Most potent by weight | 8–12 hours | Illegal most places |
| 1cP-LSD | Feels much like LSD, a bit milder and smoother | Slightly less potent | 6–12 hours, often ~8 | Banned some places, grey area in others |
| 1P-LSD | Very close to LSD, maybe a bit “headier” | Slightly less potent | 6–12 hours | Often banned where 1cP-LSD is |
| 1V-LSD | Similar, but timing feels less reliable | Slightly less potent | 6–10 hours (varies) | Banned in Germany, parts of EU |
| ALD-52 | Reported as slightly less visual, less anxious | Similar to LSD | 8–12 hours | Legal risks as with other analogs |
| 1B-LSD | Milder, shorter for most | Less potent | Possibly shorter | Less common, legally grey |
The takeaway: If you’re new, treat these all as a full-day commitment. Start low and don’t mix.
Storage and handling
- Store in a cool, dark, dry place, wrapped in foil in a sealed container is best.
- Keep out of sight and out of reach of kids and pets.
- Label everything: what it is, when you got it, how strong each piece is.
- Heat, light, and moisture make it weaker over time.
Buying and product quality
Stay sharp about where you get it. Make sure you buy 1p-lsd from a verified shop.
- Seek vendors with consistent info and proper labels.
- Prefer sellers mentioning third-party testing or controls.
- Avoid blotters from unknown sources.
- Always weigh legal/shipping risks before you buy.
Do your homework if you’re sourcing anything psychedelic. Sometimes vendors post links to lab results.
Even so, “for research only” doesn’t mean “safe to buy” where you live.
FAQs (quick answers for newcomers)
1. How long does 1cP-LSD last compared to LSD?
Usually about the same, 6–12 hours. People say 1cP-LSD sometimes finishes a bit faster, but always plan for the full 12.
2. Is 1cP-LSD the same as LSD?
Pretty much. Your body turns it into LSD, and the effects are basically identical, maybe a bit gentler for some.
3. What’s a safe first dose if I’m nervous?
50 µg. Enough for an experience, but less likely to get overwhelming. You can try more next time if you want.
4. Can you sleep on 1cP-LSD?
Almost nobody can. It stays stimulating for at least 10–12 hours. Don’t take it late if you want to sleep.
5. Will 1cP-LSD show up on a drug test?
Yes. Because your body turns it into LSD, any test searching for LSD will likely catch it.
6. Is it dangerous to mix with alcohol or stimulants?
Yes. Alcohol can make things dull and risky. Uppers can surge anxiety and strain your heart. Avoid combining.
7. How long between trips to reset tolerance?
Wait at least 2 weeks. More time is better for your mind and letting the experience sink in.
8. What should a sitter do if things get rough?
Stay calm. Remind the person they’re safe, offer water, suggest changing music or rooms. No analyzing or heavy talk. Just reassurance.
Summary
1cP-LSD is a lot like LSD and it needs respect.
The basics:
- Start low: 50–75 µg is enough for day one.
- Block off the day (and the following morning, just in case).
- Make sure your space and mood are good.
- Always test your tabs.
- Have a sober friend with you for your first trip.
Take it slow. Stay safe. Know the law where you are. Your wellbeing is the top priority.
The information provided in Express Highs Blog is intended for educational, informational, and harm-reduction purposes only. The content published on this page does not encourage, promote, or condone the use, purchase, sale, or distribution of any controlled or psychoactive substances.
Many compounds discussed on this website may be regulated or prohibited in certain countries or jurisdictions. Laws and regulations change frequently, and it is the responsibility of each reader to understand and comply with the local laws applicable in their location before engaging with any substance mentioned.
Articles published in this category may reference scientific research, anecdotal experiences, historical context, or emerging trends. However, the content should not be interpreted as medical advice, legal advice, or professional guidance of any kind. Always consult a qualified medical professional before making decisions that could impact your physical or mental health.

