CBD vs THC Explained: Canadian Labels, Ratios & Legal Rules

CBD and THC are the two numbers you'll find on every legal cannabis label in Canada, and they're also the two most misunderstood. One is intoxicating, one is not — but under Canadian law, both are cannabis, both follow the same rules, and both can only be sold by licensed retailers like Bud Mart. This guide explains what each compound is, how Canadian products label them, what ratios like 1:1 and 20:1 actually mean, what "full spectrum" does (and doesn't) tell you, and where CBD sits legally in Alberta.

One thing up front: this article contains zero health claims, because making them would be illegal — and because Health Canada has not approved any health uses for CBD outside of prescription drugs. We'll explain exactly what that means below.

What Is CBD?

Cannabidiol — CBD — is a cannabinoid, one of more than 100 chemical compounds produced naturally by the cannabis plant. According to Health Canada, CBD is non-intoxicating: it does not produce the intoxication associated with THC. Health Canada also notes that CBD is not inactive — it does have an effect on the brain — which is part of why it remains a controlled substance under the Cannabis Act rather than an ordinary consumer product.

CBD is found in both cannabis plants and industrial hemp. Hemp is simply cannabis bred to contain no more than 0.3% THC, and there's no limit on how much CBD a hemp plant can contain. Legally, though, the source doesn't matter: CBD extracted from hemp and CBD extracted from any other cannabis plant are treated identically under Canadian law. There is no "hemp loophole" in Canada.

What Is THC?

Delta-9-tetrahydrocannabinol — THC — is the cannabinoid responsible for cannabis intoxication. It's the number most shoppers look at first, and it's the number federal regulations are built around: possession limits, the 10 mg cap on edibles, the standardized warning symbol, and impaired-driving laws all key off THC, not CBD.

If you want a deeper dive into how THC percentages work — including why "Total THC" and "THC" are two different lines on the label — we cover that in our guide to understanding THC percentages.

CBD vs THC at a Glance

| | CBD (cannabidiol) | THC (tetrahydrocannabinol) | |---|---|---| | Intoxicating? | No — non-intoxicating | Yes — intoxicating | | Legal status | Cannabis under the Cannabis Act | Cannabis under the Cannabis Act | | Where it's sold | Licensed cannabis retailers only | Licensed cannabis retailers only | | Minimum age (Alberta) | 18+ | 18+ | | Counts toward 30 g public possession limit? | Yes | Yes | | Triggers the red standardized cannabis symbol? | No | Yes, above 10 micrograms per gram | | Per-package cap on edibles | No CBD cap | 10 mg THC per package |

The key takeaway: the *effects profile* of the two compounds differs, but the *legal treatment* is the same. A 25 mg CBD softgel with zero THC is just as much "cannabis" in the eyes of the law as a 25% THC pre-roll.

How Canadian Products Label CBD and THC

Every legal cannabis product in Canada follows strict federal packaging rules — plain packaging, a child-resistant container, an excise stamp, bilingual text, and a standardized cannabinoid panel. Health Canada publishes both a consumer guide on how to read a cannabis product label and a detailed packaging and labelling guide for producers.

Here's what to look for on the panel:

• THC / Total THC and CBD / Total CBD. Each cannabinoid gets two lines. The first ("THC" or "CBD") is the amount in the product as it sits in the package. The second ("Total THC" / "Total CBD") is the amount after heating, which converts the acid forms (THCA, CBDA) into active THC and CBD. For anything you heat or that's already been processed — vapes, edibles, oils — Total is the number that matters.
• Units differ by format. Dried flower shows milligrams per gram (mg/g). Oils show milligrams per millilitre (mg/mL) or per gram. Edibles and beverages show milligrams per unit *and* per package.
• The red standardized cannabis symbol appears only on products containing more than 10 micrograms of THC per gram. A genuinely THC-free CBD product won't carry it — a quick visual cue when you're scanning shelves.
• The yellow health warning appears on every product regardless of CBD or THC content, because all of it is cannabis.

A practical example: a CBD oil labelled "Total CBD 25 mg/mL, Total THC <1 mg/mL" delivers about 25 mg of CBD per millilitre with less than 1 mg of THC. A gummy package labelled "Total CBD 50 mg, Total THC 2 mg" contains those amounts across the whole package — check the per-piece numbers too.

Common CBD:THC Ratios — 1:1, 5:1, 20:1 and Beyond

Many products express their cannabinoid mix as a ratio of CBD to THC. The first number is almost always CBD. Common ones you'll see at AGLC-licensed stores:

• 1:1 (balanced) — equal parts CBD and THC. Example: a beverage with 5 mg CBD and 5 mg THC. These products are intoxicating, because the THC is still there.
• 2:1 to 5:1 (CBD-leaning) — more CBD than THC, but still meaningful THC content. A 5:1 oil might run 25 mg/mL CBD to 5 mg/mL THC.
• 20:1, 25:1, 30:1+ (CBD-dominant) — products built around CBD with only trace THC. A 20:1 softgel might contain 20 mg CBD and 1 mg THC per capsule.

Two things ratios *don't* tell you. First, a ratio says nothing about total strength — a 1:1 product could be 2.5 mg of each per serving or 10 mg of each. Always read the milligram numbers. Second, even CBD-dominant products usually contain *some* THC, and that THC is fully real for legal purposes: impaired-driving laws, workplace policies, and border rules don't care what the ratio was.

CBD-Dominant Formats Sold at AGLC-Licensed Retailers

Licensed Alberta retailers carry CBD-dominant and balanced products across nearly every format:

• Oils and softgels. The classic CBD formats — bottled oils with a measured dropper, and capsules with a fixed milligram amount each. Precise, smoke-free, and easy to track in milligrams.
• Edibles. CBD gummies and chews are common, and because the federal 10 mg-per-package cap applies to THC only, you'll regularly see packages with 25–50 mg of CBD or more. Browse cannabis edibles in Calgary, and if you're new to the format, start with our edibles beginner's guide.
• Beverages. CBD and balanced-ratio drinks — sparkling waters, teas, and sodas — are a growing shelf. See what's stocked under cannabis beverages in Calgary.
• Vapes. CBD-dominant and 1:1 vape cartridges exist alongside the THC-heavy majority. Compare options under cannabis vapes in Calgary.
• Flower and pre-rolls. Some cultivars are bred to be CBD-dominant — flower testing at, say, 12% CBD and under 1% THC. These are a small slice of the flower wall but most of our stores carry at least a couple of options.
• Topicals. Creams, balms, and bath products formulated with CBD, designed for application to skin and hair rather than ingestion or inhalation. They're regulated cannabis products like everything else on this list.

Stock varies by store, so check the live menu for the location nearest you on our locations page.

What "Full Spectrum" Actually Means

You'll see three terms on CBD products that come from the industry, not from regulators:

• Full spectrum — the extract retains a broad range of the plant's cannabinoids and terpenes, including trace THC, rather than isolating CBD alone.
• Broad spectrum — similar range of compounds, but with THC removed or reduced to near-zero.
• Isolate — purified CBD with other cannabinoids and terpenes stripped out, often 99%+ pure.

Here's the important part: none of these terms is defined in the federal Cannabis Regulations. They describe extraction philosophy, not a guaranteed composition, and producers use them with some variation. The cannabinoid panel — Total CBD, Total THC, and any listed terpenes — is the regulated, verifiable information. Treat "full spectrum" as a description and the milligram numbers as the facts.

CBD Is Cannabis Under Canadian Law — Full Stop

This is the point that surprises people most. In the United States, hemp-derived CBD is sold in grocery stores and gas stations. In Canada, the Cannabis Act draws no such line: CBD is a phytocannabinoid, phytocannabinoids are cannabis, and cannabis can only be sold by authorized retailers. That means:

• Only licensed sellers. In Alberta, that's retailers licensed by AGLC, with trained, SellSafe-certified staff. A "CBD wellness" product sold at a gas station, health-food store, or unlicensed website is being sold illegally, has no excise stamp, and has none of the federal testing and labelling requirements behind it.
• 18+ in Alberta. Same minimum age for a zero-THC CBD oil as for the strongest concentrate.
• The 30 g public possession limit applies. Possession limits use dried-cannabis equivalency by product class (for example, 1 g dried = 70 g of beverage), and a product's CBD:THC ratio doesn't change the math.
• No cross-border movement. Carrying CBD across the Canadian border in either direction is illegal, even travelling to or from places where it's locally legal.
• Hemp-derived means nothing at retail. Once CBD is in a consumer product, its plant source is legally irrelevant.

Why We Don't — and Can't — Make Health Claims About CBD

You've probably seen sweeping claims about CBD online. You will never see them from us, for two reasons.

First, it's the law. The Cannabis Act prohibits promoting cannabis in a way that suggests health or therapeutic effects, and as an AGLC-licensed retailer we follow that strictly. Our staff can explain formats, ratios, and label information; they cannot tell you what a product will do for any symptom or condition, and they won't.

Second, the science hasn't been approved into products. Health Canada has not approved any health uses for CBD outside of prescription drugs. The only approved route for CBD with health claims is the prescription drug system — and Health Canada has explicitly notified stakeholders that no non-prescription health products containing CBD are currently authorized in Canada. Anything sold at Bud Mart is a recreational cannabis product, not a health product. If you have questions about CBD and your health, the right person to ask is a physician, nurse practitioner, or pharmacist — not a cannabis retailer, and not a website.

Finding CBD Products in Calgary, Airdrie, Chestermere and Didsbury

Bud Mart operates nine AGLC-licensed stores — four in Calgary, two in Airdrie, one in Chestermere, and two in Didsbury — open 9 am to 11 pm daily. Every location stocks CBD-dominant and balanced-ratio products across oils, softgels, edibles, beverages, vapes, and topicals, and our budtenders can walk you through any label on the shelf.

Prefer not to come in? Toonie Delivery brings your order to your door for $1.99 in 45–60 minutes, with delivery running 9 am to 10 pm across Calgary, Airdrie, Chestermere, and the town of Didsbury. Valid government ID proving 18+ is checked at the door, same as in store.

FAQ: CBD vs THC in Canada

Is CBD legal in Canada?

Yes — but only as cannabis. CBD is regulated under the federal Cannabis Act, which means it can only be legally sold by licensed retailers (in Alberta, stores licensed by AGLC) or through the federal medical access system. CBD sold at gas stations, health-food stores, or unlicensed websites is illegal in Canada regardless of how it's marketed.

Is CBD intoxicating?

No. Health Canada describes CBD as non-intoxicating — it does not produce the intoxication associated with THC. Health Canada also notes that CBD is not inactive and does have an effect on the brain, which is one reason it remains regulated as cannabis rather than sold as an ordinary consumer good.

What does a 20:1 CBD:THC ratio mean?

It means the product contains 20 parts CBD for every 1 part THC — for example, a softgel with 20 mg CBD and 1 mg THC. The ratio describes the balance between the two cannabinoids, not the overall strength, so always check the actual milligram amounts on the label. Even high-ratio CBD products usually contain trace THC.

Is CBD from hemp treated differently than CBD from cannabis?

Not in Canada. Hemp is cannabis bred to contain 0.3% THC or less, but once CBD is extracted into a consumer product, the law treats it identically regardless of plant source. Unlike in the United States, there is no separate legal category for hemp-derived CBD products — they're cannabis, sold only through licensed channels.

Can I buy CBD without a prescription in Alberta?

Yes. Any adult 18 or older can buy CBD products at an AGLC-licensed cannabis store — no prescription, registration, or medical document needed. Note that these are recreational cannabis products, not approved health products: Health Canada has not authorized any non-prescription CBD health products in Canada.

What's the difference between "CBD" and "Total CBD" on a label?

"CBD" is the amount of active cannabidiol in the product as packaged, while "Total CBD" includes the CBD that becomes available once the acid form (CBDA) is converted by heat or processing. For oils, edibles, vapes, and most processed products, Total CBD is the practical number to compare. Health Canada's label-reading guide explains the full panel.

Does "full spectrum" mean a CBD product is stronger?

No. "Full spectrum," "broad spectrum," and "isolate" are industry terms describing how an extract was made — whether it keeps a range of the plant's cannabinoids and terpenes or isolates CBD alone. None of these terms is defined in federal regulations, and none indicates potency. The Total CBD and Total THC numbers on the label are the regulated facts.

Why won't Bud Mart staff tell me what CBD will do for me?

Because federal law prohibits it, and because no CBD health use has been approved outside prescription drugs. The Cannabis Act bars retailers from making health or therapeutic claims about any cannabis product, and Health Canada has confirmed no non-prescription CBD health products are authorized in Canada. Our team can explain formats, ratios, and labels; for health questions, speak with a physician or pharmacist.