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What’s the Difference Between THC and THCa?

Are you curious about cannabis but not sure what to expect? You’re in the right place! This guide explains how THC drinks work, more about THC drinks’ effects, how to find the right dosage for you, and what makes them a popular alternative to alcohol or other cannabis products.
Charles Nicholson
November 12, 20247 min Read

For canna-conoisseurs who enjoy the classic experience of rolling blunts, finding good-quality marijuana can be quite costly these days.

Take a trip to your local dispensary and you will likely see a new product in the lineup – THCA weed.

It looks and smells like weed, but is somehow legal and often cheaper than normal bud.

Read on to learn about THCA vs THC and how it is an innovative approach to giving customers a quality product while staying within cannabis regulation.

Is THCA The Same as THC?

You’ll be forgiven for questioning what is the difference between THC and THCA because there is essentially no difference between them after you smoke either one.

Wait, so what is THCA? And does THCA get you high?

THCA is often advertised as THC without the high, but this isn’t accurate.

Simply put, selling THCA makes the most of a gap in regulations. As a raw product, it doesn’t contain any of the psychotropic compound THC. THCA has a carboxylic acid group (COOH) attached to its molecular structure which converts THCA into THC when heated.

Basically, if you put THCA hemp into a joint or a bong and light it, or bake it into brownies, it’ll give you the same high sensations as THC.

Studies suggest that it is possible to get the full plant benefits1 of cannabis without the high using THCA if it is processed without heat. Some manufacturers create THCA juices and gummies that technically will not get you high but may result in a failed drug test.

Man rolling a joint with THCA hemp flower

THCA vs THC: Which Is Stronger?

This is an interesting question because THCA potency vs THC is very similar. When you smoke or vape THCA flower, the heat transforms THCA into THC through a chemical reaction process called decarboxylation to make you high.

Interestingly, time can also trigger this change. Even without heat, if you store THCA for long enough, it will slowly convert into THC as it slowly releases CO2. How fast this happens depends on temperature, moisture, and humidity, but cooler storage slows the process.

It’s worth noting that whether heated or otherwise, not all THCA converts into THC. Only 87.7% of it will convert, this is considered the industry standard rate.

Smoking freshly harvested "THCA flowers" provides a different experience than smoking older, fully matured buds. The high can last longer because of the additional chemical process that occurs before those happy high compounds (THC) flow through your system.

Also, because THCA is not regulated in the same way as Delta-9 THC, it means that you can legally purchase products that have a higher eventual THC content after heating. THCA side effects can include the normal things you would associate with getting too high, like dry mouth and anxiety.

So, is THCA safe? It is, as long as you purchase it from a reputable vendor and take it easy with the dosing.

For example, you can order a THCA flower strain with as much as 40% THCA. When smoked, 87.7% will convert into THC leaving you with buds that effectively contain 35% THC. In contrast, it is nearly impossible to legally purchase Delta 9 THC flower with a similar THC content due to current legislation.

Some people are looking for a profound chill, but if you want to keep tabs on your high, THCA can be difficult to predict. We suggest starting with a small amount if you’re canna-curious and don’t have previous experience with weed.

That, for us, is the biggest difference between THC and THCA.

At DELTA, we use Delta-9 THC in our entire product range because it gives us measurable and consistent results in potency so that we can rely on third-party testing and label our products accordingly. So whatever you see on the can is exactly what you get.

We’re all about elevating every moment but also knowing our comfortable limit. But there are always techniques you can try if you get a bit too high.

Can of DELTA THC seltzer on ice

For now, THCA is legal at a federal level thanks to the Farm Bill2 of 2018 which states that cannabis containing less than 0.3% THC by dry weight is classified as hemp, not marijuana.

THCA gets around the specific legislation for THC content in cannabis flower because it technically does not contain any. So when we mentioned the 40% THCA flower earlier, you can purchase it either online or from a dispensary and it is federally legal.

Although there’s a legal distinction between THCA vs weed, you might wonder, does THCA show up on a drug test? The answer is yes—especially if it's consumed in a way that involves heat, such as smoking.

Because of the huge rise in these types of cannabis products, the legal landscape seems to be always shifting so we suggest you always check on specific state-level regulations where you live.

Check out our previous article to learn more about the legal status of Delta-9 THC.

Two cans of DELTA Cannabis Water

THCA vs Delta 9 – What’s Best For You?

If you want to know what gives you the best high (THC vs THCA) then you’ll be happy to hear that they are on par with each other. Ask a fanatic canna connoisseur and they might tell you different, but realistically the effects are the same.

Characteristics THC THCA (raw)
Chemical structure C21H30O2 C22H30O4
Molecular structure Does not contain a carboxylic acid group Has a carboxylic acid group (COOH) attached to the structure
Effects Produces a euphoric high Non-psychoactive in a raw form but produces a high when heated
Applications Renowned for relieving pain, stimulating appetite, and reducing sensations of nausea Used in its raw form for therapeutic purposes due to its anti-inflammatory, anti-emetic, and neuroprotective properties
Legal status as of October 2024) Federally legal when it is hemp-derived and contains less than 0.3% by dry weight. State regulations may vary. Federally legal for its lack of THC in raw form but state regulations may vary.

The difference is more important when it comes to how you get high.

Because of federal legislation, Delta 9 THC is legal but only when it contains a tiny amount of THC – 0.3% by dry weight. That means that if you want to grind up some bud for a spliff, it will either contain a low quantity of THC (compared to marijuana) or include a combination of Delta 8 and Delta 10 to boost up the THC and give similar effects.

If you still love the ritual and taste of a joint, THCA flower is the way to go. As a raw product, it does not technically contain THC meaning that it is federally legal. But when activated by decarboxylation—heating or lighting it—smoking THCA effects are comparable to marijuana.

The thing is that you can’t get away from the overwhelming evidence that demonstrates how bad smoking is for your health. So when we are pushed to suggest the best way for you to get high, it has to be another way.

Cue DELTA!

Because we infuse Delta 9 THC into our drinks, we can create a product that still has a strong dose of THC while being federally legal so you get the best of both worlds – A clean, potent, and legal high without the stank of smoke.

And the best part is that you don’t need to do math to figure out how much THC you have consumed. Because Delta 9 THC is a consistent ingredient, we can state exactly how much THC and CBD are in each can of DELTA.

We have drinks to suit everyone with our DELTA Light range at 5mg THC per can and DELTA Cannabis Water at 20mg THC.

If you don’t believe us, try a can for yourself.

FAQs
What is THCA vs THC?

THCA is basically the raw form of THC and won’t get you high until it’s heated, like when you smoke or bake it. Once it heats up, it turns into THC and gives you the same effects so it’s hard to say what’s better, THC or THCA. Some products, like THCA juices and gummies, don’t get you high because they are processed without heat, but they could still show up on a drug test.

Does THCA get you high?

THC vs THCA in flower have similar potency when smoked because heat triggers decarboxylation, converting THCA into THC, producing a high. Over time, THCA can also convert naturally, though cooler storage slows this process. Only about 87.7% of THCA typically converts to THC.

Is THCA stronger than THC?

They both deliver a comparable high, though some cannabis fanatics may claim slight differences in THC vs THCA flower. THCA is a great option if you enjoy smoking since it’s federally legal in its raw form but becomes like marijuana when heated.

Is THCA safe to smoke?

Since THCA isn’t regulated like Delta-9 THC, you can legally buy products that will have higher THC content after heating. THCA’s side effects are similar to those of THC, like dry mouth and anxiety. It’s safe as long as you buy from a reputable vendor and start with small doses. However, given the health risks of smoking, we'd suggest other methods—cough, DELTA! (pun intended)

Does THCA show up on a drug test?

THCA is federally legal under the 2018 Farm Bill, which classifies cannabis with less than 0.3% THC as hemp. Since THCA doesn’t contain THC until heated, products like 40% THCA flower can be legally purchased online or in dispensaries. However, THCA will show up on a drug test, especially if smoked, and with laws constantly evolving, it's important to check your state’s regulations.


  1. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5731255/
  2. https://www.congress.gov/115/plaws/publ334/PLAW-115publ334.pdf

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What is Delta 9 THC?

Delta 9 THC, or Delta-9-tetrahydrocannabinol, is a naturally occurring cannabinoid found abundantly in cannabis plants. Its usage has increased in popularity, and it can be obtained at dispensaries and mainstream retail locations.

How is this Legal?

In 2018, Uncle Sam passed the Farm Bill, and bam! Delta struts onto the scene, legal as a Netflix subscription. It's like finding a loophole in the Matrix. So, while Mary Jane might still be playing hide and seek with the law, Delta-9 is out there living its best life. Just don't tell anyone we're having this much fun, okay maybe you can tell your friends?

Will this show up on a drug test?

Yes, Our products will cause you to test positive for THC. We recommend not drinking them if you are required to pass a drug test for marijuana.

How much should I drink to start?

First time with DELTA? Think of it like dipping your toes into a pool, start out slow at first. If you’re new to the game, begin with one can of DELTA LIGHT – that’s 5mg of THC to get those mellow vibes rolling. If you’re feeling bold, step up to our DELTA 20mg drink, but remember, everyone’s ride on the THC train is different, so start slow. Our formulas have a higher absorption rate and kick in faster compared to edibles.

DELTA Drinks vs. edibles – how do they compare?

Your average edibles take much longer to hit because they have to make it all the way through your liver before you feel that THC goodness. DELTA provides a fast-acting THC onset that usually hits within 10-15 minutes! Mic drop.

What’s it taste like?

It’s like a flavor ninja – sneaky in the best way. All the fun, all the taste, with zero hempy hiccups. We have worked with top tier flavor experts who have redefined our flavors to make them more enjoyable for everyone. Whether drinking it straight from the can or getting fancy by creating the perfect mocktail, DELTA has the right stuff.

What is the difference between hemp and marijuana?

Hemp plants and marijuana plants are both the same Cannabis species. Legally, hemp is defined as a cannabis plant that contains 0.3 percent or less THC by dry weight, while marijuana is a cannabis plant that contains more than 0.3 percent THC.

How can I trust this?

Every batch is 3rd party tested – like a lie detector test, but for your drink. All of our Certificate of Analysis (COA’s) are listed for each product – no smoke and mirrors. Plus, our equipment is NASA-level cool, ensuring every can is like a carbon copy of awesomeness. Consistency is our middle name (well, not legally, but you get the idea) Finally, We’re the OGs in this category. With over three years of research and development into our products, you can say we know a thing or two about cannabis beverages.

What is Delta 9 Live Resin?

Delta 9 Live Resin is a cannabis concentrate that is known for its high levels of THC and rich flavor profile. It is made by flash-freezing freshly harvested cannabis plants to preserve the terpenes, flavonoids, and cannabinoids, then extracting the resin using a solvent The resulting concentrate is then purged of any residual solvents, leaving behind a sticky, aromatic resin that is rich in Delta-9 THC. Due to the high terpene content and fresh, flavorful aroma, Delta-9 Live Resin is a popular choice among cannabis enthusiasts looking for a potent and flavorful experience.