Every bottle of licensed supplement sold in Canada has already been through a process most shoppers never see. Before it reaches a shelf, its ingredients, doses, and health claims have been reviewed by a federal regulator, tested for quality, and assigned a number that proves it happened. Here’s what that process actually involves, and how to use it to your advantage the next time you’re standing in front of a supplement aisle.
1. What actually qualifies as a natural health product
Not everything in the supplement or wellness section falls under the same rules. In Canada, “natural health product” is a specific, legally defined category under the Natural Health Products Regulations, and it includes:
- Vitamin and mineral supplements
- Herbal and plant-based remedies
- Probiotics
- Amino acids and essential fatty acids, including omega-3s
- Traditional medicines, such as Traditional Chinese Medicine and Ayurvedic products
- Homeopathic medicines
Health Canada notes that 71% of Canadians have used at least one of these product types. That popularity is exactly why the regulatory pathway matters: these products occupy a middle ground between food and prescription drugs, allowed to carry health claims that ordinary food can’t, without requiring a doctor’s prescription the way a pharmaceutical drug does.
2. The ingredient’s journey starts with a licence application
Before a single bottle can legally use the word “helps” or “supports” on its packaging, the company behind it has to submit a full product licence application to Health Canada’s Natural and Non-prescription Health Products Directorate. That application has to lay out, in detail:
- The exact medicinal ingredients and their source material
- The precise dose per serving
- The specific health claim the product intends to make
- Safety data, including known risks and interactions
- Evidence supporting both the ingredient’s safety and the claim itself
- Quality specifications proving the product will match the label consistently, batch after batch
This is where a lot of companies choose the harder, slower path instead of skipping straight to market. Kallum Mitterer, founder of the Health Canada-licensed brand Nutravea, has been public about taking that route deliberately. According to reporting in the Sarnia Journal, Nutravea currently holds 10 Natural Product Numbers, with more than 20 additional applications actively in review, all manufactured through GMP-certified, site-licensed facilities in Ontario. The brand’s approach centres on single-ingredient formulations, one active compound per product, each carrying its own specific claim tied directly to its own NPN, rather than proprietary blends that make ingredient-level verification harder for a shopper to do.
3. The number that comes out the other end: the NPN
Once a product clears that review, it’s issued an eight-digit Natural Product Number, or NPN, printed directly on the label. Homeopathic products get a similar code called a DIN-HM instead. This number is the proof that the journey described above actually happened for that specific product.
An NPN tells you that Health Canada has independently reviewed the ingredients, dose, and intended use, and found the product safe, effective, and of high quality under its recommended conditions of use. A product with no NPN or DIN-HM anywhere on its packaging simply hasn’t gone through that review, no matter how the label is worded.
4. Verifying it yourself in the database
You don’t have to take a manufacturer’s word for any of this. Health Canada runs a free, public Licensed Natural Health Products Database (LNHPD), updated daily, and it takes about a minute to check a product against it.
- Locate the eight-digit NPN on the label, usually near the ingredient panel or barcode.
- Search that number directly in the LNHPD, or search by product name or licence holder if the number isn’t visible.
- Compare the listing against what’s actually printed on the bottle: ingredient names, doses, and the authorized use or claim.
- Check the licence status field specifically. Only a currently active licence confirms the product is authorized for sale right now.
If you want to go a step further and check whether a specific ingredient is even permitted for use in a licensed product, Health Canada’s Natural Health Products Ingredients Database covers that too.
5. Reading the Product Facts label
Newer NHP labels are shifting to a standardized Product Facts Table, built along the same lines as the nutrition facts table on packaged food. Products licensed before June 21, 2025 have until June 22, 2028 to make the switch, so both formats are still in circulation for now. Once you know what to look for, the table breaks down cleanly into seven parts:
- Medicinal ingredients and amounts: the active compounds and exact dose in each serving.
- Uses: the specific claim or purpose the product is licensed to make.
- Warnings and cautions: known risks, contraindications, and who should avoid the product.
- Directions: how much to take, how often, and under what conditions.
- Other information: storage instructions and similar details.
- Non-medicinal ingredients: fillers, flavouring, and other inactive components.
- Questions or contact information: a real way to reach the company behind the product.
It’s worth being precise about what an NPN does and doesn’t confirm. It confirms the product is licensed for sale in Canada under its stated conditions. It doesn’t confirm that this exact product, at this exact dose, in this exact format, is the right choice for your body, your goals, or anything else you’re currently taking. Nutravea’s approach of tying a QR code on each label directly to its Certificate of Analysis, letting anyone check batch-level testing results, is one way a brand can make that gap easier to close for a shopper who wants more than the label alone.
6. A practical checklist before you buy
Bring all of this together into something you can actually use standing in an aisle or scrolling a product page:
- Is there an NPN or DIN-HM on the label at all?
- Does that number come up as an active licence in the LNHPD?
- What are the medicinal ingredients, and at what dose per serving?
- Does the directed daily dose match what you’d actually be taking?
- What specific use or claim is the product licensed for, and does it match what the front of the package implies?
- Are there warnings relevant to your situation, such as pregnancy, an existing condition, or a medication you’re already taking?
- Is the product within its expiry date?
- Is there legitimate company contact information, in case you ever need to reach them?
Mitterer summed up the broader gap this checklist is meant to close in an interview with Your Health Magazine: “Most people picking supplements off a shelf or ordering online are making that decision based on price, packaging, or something they saw on social media. Very few know what they’re actually looking at from a regulatory standpoint.” The NPN system exists precisely to close that gap, and it only works if shoppers actually use it. Companies like Nutravea that display their NPNs prominently and link back to their own testing data make that check faster, but the database itself is public and free regardless of which brand you’re looking at.



