THCA vs. THC: What's the Difference and Does THCA Get You High?

THCA is the raw, non-intoxicating acid form of THC that the cannabis plant actually makes; THC is what you get once heat strips a carboxyl group off THCA, a process called decarboxylation. In plain terms: raw buds are mostly THCA and won't get you high, but light them, vape them or bake them and that THCA turns into THC. Getting into weed can feel overwhelming with all the jargon and chemistry, so what exactly is THC, and how does it relate to THCA? Let's clear it up.

THCA vs. THC: what is THCA?

You probably already know THC, but did you know it's closely tied to THCA?

THCA, or tetrahydrocannabinolic acid, is the acidic, non-intoxicating form of tetrahydrocannabinol (THC) found in fresh cannabis plants. Basically, THCA is THC's precursor. To turn THCA into THC, it has to be activated, which means drying, cooking or heating the parts of the plant that are rich in THCA.

When THCA is exposed to heat, its molecular structure changes and it becomes THC, the compound behind the high people associate with cannabis. That said, THCA also shows up in unheated hemp-derived products, like certain charas or CBD hash extracts, where it stays non-intoxicating.

Key differences between THCA and THC

At first glance, THCA and THC can look like the same thing, and in a way they are. Both come from the same plant and share an almost identical molecular structure. But one specific chemical process makes their properties very different.

The core difference is in the effects. THCA doesn't produce the psychoactive effects of THC, the euphoric “high” people talk about.

What are the effects of THCA?

The high only kicks in once THC is activated by heat, like when you smoke weed. That's why raw, freshly cut cannabis is dominated by THCA, while THC forms through a process called decarboxylation, which means heating the cannabis.

THCA has only a minimal effect on CB1 and CB2 receptors compared with THC, but it may still offer some benefits, like calming and possible neuroprotective properties.

THC, by contrast, is a major activator of the CB1 receptor, with a direct impact on the brain and nervous system, producing effects like sedation, the munchies and the other classic effects of weed.

What are the benefits of THCA?

THCA doesn't currently have an established medical use, but some people take it in capsule form as a supplement for certain conditions. Its benefits aren't fully defined yet, but researchers have noted that THCA may offer some advantages, such as:

• Weight loss: It's been suggested that THCA could help with weight loss because of its possible effects on metabolism and appetite.
• Joint and muscle pain relief: Some early research suggests THCA may have pain-relieving properties, which could help people with chronic joint and muscle pain.
• Less nausea: Researchers have looked at THCA's potential to ease nausea, especially in patients dealing with side effects of treatments like chemotherapy.

Keep in mind that THCA's medical potential in its natural form is still far less established than THC's; most of the well-documented therapeutic effects show up once it's converted into its psychoactive form, THC. That's why THC is used much more often and has been studied for a range of conditions, including symptoms of cancer and Parkinson's disease.

How to consume THCA without turning it into THC

THCA is obtained by extracting resin from cannabis flowers without exposing it to heat. The best way to take this cannabinoid is through high-purity crystalline extracts known as “THCA diamonds.” These can be added to all kinds of foods, drinks, oils, creams and balms, as long as they're never heated.

Keeping THCA away from heat is crucial, because it can convert into THC and change its effects completely. Even though they come from the same plant, THCA and THC are considered distinct compounds because of their unique molecular makeup.