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Does LSD Expire

Does LSD Expire?

Giordano Novak

Giordano Novak

Medically reviewed by Giordano Novak, University of São Paulo on April 3rd 2022

Key Takeaways:

  • LSD typically has an indefinite shelf-life but eventually may degrade.
  • It should be stored appropriately and kept away from factors that might degrade it.
  • Liquid LSD is usually more stable than blotter paper.


When it comes to experimenting with mind-altering substances, strapping in for the journey is critical. But what if that wild ride gets interrupted because you’re worrying about whether your LSD has expired?

The shelf life of LSD is hard to quantify, considering the various factors that can influence it. 

It’s important to note that LSD is a fragile molecule that breaks down when exposed to ultraviolet light, high temperatures, oxygen or alkaline conditions.

Whether you love a good psychedelic trip or are simply curious about its shelf life, read on and find out when enough is enough!


History And Component of LSD

LSD, also known as lysergic acid diethylamide, is a PSYCHEDELIC drug derived from ergot alkaloids. 

It was first synthesized in 1938 by Swiss chemist Albert Hofmann, who discovered its hallucinogenic properties after accidentally ingesting it five years later [1].

LSD has been used recreationally since the 1960s and is known for its ability to produce PROFOUND changes in consciousness and perception.

The chemical structure of LSD is composed of THREE components: lysergic acid, diethylamide, and a side chain attached to the amine nitrogen.

Lysergic acid is created through the ergot fungus that grows on rye grain and other grasses, while diethylamide combines lysergic acid with ammonia.

Its effects may include visual and auditory hallucinations, spiritual experiences, increased sensory awareness, altered sense of space and time, synesthesia (when senses blend) and altered thought processes. LSD Quote (White)


Does LSD Expire?

The question of whether LSD expires has been debated for years. While this powerful psychedelic drug’s shelf life is uncertain, many factors can influence its longevity and potency.

However, generally speaking, LSD does not have an expiration date. It is considered a stable molecule and can remain potent for years when you store LSD properly. However, its effects may become weaker over time.

To determine if your LSD is still safe to take or just too old to be effective, it’s essential to understand how it breaks down and the various conditions that could affect it.


Here are a few factors that can influence the shelf life of LSD:

Ultraviolet Light

Due to its fragile molecular structure, LSD breaks down when exposed to ultraviolet light. This can significantly reduce its potency over time, so storing it in a dark place is vital if you want to keep it for a more extended period.

High Temperatures

High temperatures can also affect the potency of your LSD [2]. When stored in temperatures over 100 degrees Fahrenheit, the compound can quickly break down and become ineffective.

Also, it’s important to note that the form of LSD you have may influence its shelf life. For instance, acid stored in its original form is usually more stable than blotter paper.


Type of LSD

Liquid LSD is usually more stable than LSD blotter paper, so it can last for a longer period of time. Blotter paper may become brittle and degrade over time, making the LSD less potent.

In general, you should store liquid LSD in a cool, dark place away from direct sunlight and high temperatures to ensure that it remains fresh and potent.

Sugar cubes, gelatin tablets and other forms of LSD will also degrade over time, so it’s important to keep them in optimal conditions if you want them to stay effective.

Oxygen or Alkaline Conditions

The potency of LSD may also be affected by oxygen or alkaline conditions, which can lead to the oxidation of the drug. This can cause it to degrade faster than usual, reducing its effectiveness.


If other chemicals or solvents have contaminated your LSD, it can become less potent. This is why it’s essential to purchase pure and high-quality LSD from a reliable source. 

Additionally, it’s best to avoid tampering with the drug, as this can lead to reduced potency.


Pro Tip: If you want to ensure your LSD is still good, try testing it with a reagent test kit.


Best Ways To Store LSD For Longer Shelf Life

LSD is a powerful psychedelic drug, and to experience its full effects; it’s essential to store it correctly for the maximum shelf life. 

Taking the proper precautions when holding LSD can help ensure you get the most bang for your buck and that your next trip will be as mind-altering as possible.


Here are the best ways to store LSD for optimal shelf life:

Keep It In A Dark Place

Keeping your LSD in the dark place is key to PRESERVING its potency. Direct sunlight and fluorescent light can break down the molecules of LSD and reduce its effects, so store it in an airtight container away from any light sources.


Pro Tip: Wrap it in tin foil to keep the light out.


Use Glass Containers

Using an airtight glass container to store your LSD is the best way to ensure its POTENCY. The material used for the container will keep oxygen and other impurities out, giving the drug a longer shelf life.


Pro Tip: A glass dropper bottle is the best option for storing liquid LSD.


Refrigerate or Freeze

If you want to keep your LSD fresh for longer, it’s best to store it in the refrigerator or freezer. This will help prevent OXIDATION and other environmental factors from degrading their potency over time.

Don’t Touch

It’s important to avoid touching your LSD as much as possible. Your hands contain oils and other residues that can AFFECT the purity of the drug, so it’s best to store it in an airtight container and only handle it with gloves or tweezers.

Store At Cooler Temperatures

LSD doesn’t like HIGH temperatures, so keeping your stash at cooler temperatures is best. 

This can help ensure that the molecules don’t break down due to heat and oxidation. Aim for a temperature of around 50 degrees Fahrenheit when storing LSD.

The easier way to do this is to store it in a plastic bag and then put it in the fridge or freezer. This will help keep your LSD fresh and potent for a longer period of time.

Avoid Moisture

Excess moisture can also affect the potency of your LSD, so it’s important to keep it away from any water sources. An AIRTIGHT container should help prevent moisture from getting in and degrading your stash over time.

Keep Away From Oxygen Or Alkaline Conditions

Oxygen and alkaline conditions can also INFLUENCE the shelf life of LSD, so it’s essential to store your stash in an environment that doesn’t have either. 

Again, an airtight container should help keep out oxygen and alkaline conditions and preserve the potency of your LSD for longer.

Avoid Contact With Other Chemicals, Solvents And Metals

If any other chemicals, solvents or metals come into contact with your LSD, it can DEGRADE its purity and reduce its effectiveness. It’s best to keep all these away from your stash and store your LSD cleanly.


Pro Tip: Don’t use plastic containers, as they can leak toxins over time.


Best Place to Buy LSD Online in Canada

When buying LSD online in Canada, purchase from a reputable source. Research the vendor and read reviews before purchasing to ensure you’re getting a quality product.

Look for vendors that only sell pure and high-quality LSD, and pay attention to packaging and shipping information to ensure your stash is delivered safely. 

Many online vendors offer discreet shipping and payment options so you can purchase LSD with peace of mind.



Storing your LSD correctly is key to maximizing its shelf life and ensuring a safe and enjoyable trip. By following the tips above, you can help preserve the potency of your stash for longer and get the most bang for your buck.

Make sure your LSD is stored properly in an airtight container away from any light sources, and keep it at cool temperatures (around 50F).

Finding a reliable source to buy pure and high-quality LSD online in Canada is also essential if you want a safe and enjoyable experience.

Make sure you research and read reviews before purchasing to ensure your stash is of the highest quality possible.



  1. Warsi M, Marcil W, Petty F. Hallucinogen Abuse. xPharm: The Comprehensive Pharmacology Reference. Published online 2007:1-7. doi:10.1016/b978-008055232-3.60669-5
  2. Li Z, McNally AJ, Wang H, Salamone SJ. Stability Study of LSD Under Various Storage Conditions. Journal of Analytical Toxicology. 1998;22(6):520-525. doi:10.1093/jat/22.6.520
  3. Can LSD and other psychedelics be used as medicine or therapy? (n.d.). Drug Policy Alliance. Available at:


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