An NPN (Natural Product Number) is an 8-digit licence number that Health Canada issues under the Natural Health Products Regulations. Every natural health product sold in Canada, including vitamins, minerals, herbal products, and probiotics, must have an NPN before it can legally be sold, and the number must appear on the label. To get one, you submit a product licence application to Health Canada’s Natural and Non-prescription Health Products Directorate (NNHPD). Review targets range from 60 days for a product that matches a single pre-cleared monograph to 210 days or more for a novel formula, and you cannot sell the product while the application is pending.

That one paragraph answers the question most founders type into Google. The rest of this guide covers what the short answer leaves out: how Health Canada decides which of the three application classes your product falls into, what the file has to contain, where applications stall, and what the process costs in both fees and time. Nutricraft Labs coordinates supplement manufacturing through GMP-certified partner facilities and prepares NPN applications for the brands we work with, so what follows comes from working inside real application files. If you would rather hand the paperwork to someone who does it regularly, that is what our NPN application service exists for.

What is an NPN number?

A Natural Product Number is the visible proof that Health Canada has reviewed your product and issued a product licence for it. The licence covers a specific formulation: the medicinal ingredients and their doses, the non-medicinal ingredients, the dosage form, the recommended use, the health claims you are allowed to print, and the risk statements you are required to print. The 8-digit number goes on the front or back panel of the label, usually as “NPN 80012345”.

People often search for “NPN number,” which technically expands to “Natural Product Number number.” Health Canada just says NPN. Either way, everyone in the industry knows what you mean.

Two properties of the NPN matter for planning. First, it is federal. One NPN makes the product legal to sell in every province and territory, so there is no provincial registration layer to repeat ten times. Second, it does not expire. Once issued, the licence stays valid as long as the product stays as licensed. Change the formulation, the dose, or the claims, and you may need to file an amendment before selling the changed version.

The licence is tied to the product, and different products need different licences. A new flavour, a new strength, or a reformulation usually means a separate NPN. A new bottle size of the identical formulation does not. More on that in the FAQ below.

Who needs an NPN?

Anyone who wants to sell a natural health product in Canada. The Natural Health Products Regulations define the category broadly, and it catches most of what the industry calls supplements: vitamins and minerals, herbal remedies, traditional medicines, probiotics, amino acids, and essential fatty acids, among others. If your product makes a health claim and its ingredients fall under the regulations, it needs an NPN before the first unit ships.

The requirement applies regardless of who you are or where you sell:

A Canadian startup launching its first product through a white label program
An established brand adding a new SKU to its line
A US or international brand entering the Canadian market
A practitioner selling an own-label formula out of a clinic
Any of the above selling only online, direct to consumer

The channel makes no difference. Selling through your own Shopify store requires the same licence as selling through a national pharmacy chain, and marketplaces and retail buyers routinely ask for the NPN before they will list a product.

One category works differently. Homeopathic medicines go through a parallel stream and receive a DIN-HM instead of an NPN. The application logic is similar, but the evidence standards and the number on the label are their own thing.

The manufacturer does not hold your licence for you. Even when a contract manufacturer makes the product, the product licence belongs to the company selling it, which means the regulatory file is your responsibility as the brand owner. This surprises a lot of first-time founders who assumed the factory handled it.

The three application classes

Health Canada sorts product licence applications into three classes, and the class determines your review timeline. The sorting is based on monograph compliance, not on how risky the product is. A perfectly safe formula can land in Class III simply because no monograph covers it, while a stimulant-containing pre-workout can sail through Class I if it matches a monograph line by line. Founders who assume “Class III” means “dangerous” have the model backwards. It just means Health Canada has no pre-cleared document to check your product against, so a human reviewer has to assess the safety and efficacy evidence from scratch.

	Class I	Class II	Class III
What qualifies	The product complies fully with a single NNHPD monograph	The product combines two or more monographs	Novel ingredients or combinations beyond what the monographs cover
Evidence required	Reference to the monograph	References to each monograph	Full safety and efficacy evidence package
Health Canada review target	60 days	90 days	210 days or more
Realistic total timeline, including preparation	2 to 4 months	3 to 6 months	7 to 12 months

What an NNHPD monograph is

A monograph is a pre-cleared reference document that Health Canada publishes for an ingredient or product category. It sets out the acceptable doses, the permitted claims, the required risk statements, and the quality specifications. There are monographs for vitamin C, vitamin D, melatonin, chamomile, and hundreds of other common ingredients and categories.

Think of a monograph as a template Health Canada has already approved. If your product fits inside one, the reviewer only needs to confirm the fit, which is why Class I carries a 60-day target instead of 210. This is the single biggest lever you control at the formulation stage. A formula designed to sit inside a monograph from day one can be on the market half a year earlier than a formula that wanders outside it, sometimes for no better reason than a dose set slightly above the monograph ceiling. This is also why formulation and regulatory strategy belong in the same conversation, and why we handle formulation as part of the manufacturing engagement rather than as a detached exercise.

The four application types

Alongside the class system, applications come in four types:

Compendial applications cite monographs directly and are only available for Class I products.
Traditional applications support claims based on traditional use, such as herbal remedies referencing Traditional Chinese Medicine or Ayurveda. The evidence standard rests on documented history of use.
Homeopathic applications result in a DIN-HM rather than an NPN.
General applications cover everything else, including modern scientific claims that go beyond any monograph.

Most straightforward supplement launches are compendial Class I filings. That is the fast lane, and it is worth designing for.

What does an NPN application cost?

There are two costs to separate: what Health Canada charges and what you pay for professional help.

For years, filing a product licence application was free. That ended when Health Canada began phasing in application fees in late 2025 under its cost recovery framework. The amounts depend on the application class and are subject to change, so check Health Canada’s current fee schedule rather than trusting any number printed in a blog post, including this one. Budget for a real fee, and confirm the current figure the week you file.

Professional preparation and liaison support is priced by complexity. For a straightforward monograph-based product, expect $2,500 to $5,000 to have the file researched, assembled, submitted, and shepherded through any information requests. A complex Class III file with a full evidence package can run up to $8,000. Our NPN application work falls in these ranges, and the quote depends on how far your formula sits from an existing monograph.

Cost	What to expect
Health Canada application fee	Depends on the class; fees phased in from late 2025, so check the current fee schedule
Professional preparation and liaison, monograph-based product	$2,500 to $5,000
Professional preparation and liaison, complex Class III file	Up to $8,000
Bilingual label compliance	Varies by product; budget for translation and a compliance review

Can you file it yourself? Legally, yes. The application portal is public and the monographs are published. The trade-off is time and rework risk. A first-time applicant who mis-words a claim or misses a required risk statement gets an information request notice, and each round of correction adds weeks. Founders with one simple product and patience sometimes do it themselves. Brands with launch dates and purchase orders on the line usually do not.

How long does approval take?

Plan in three stages: preparation, Health Canada review, and the gap between the review target and reality.

Preparation, meaning formula confirmation, monograph research, claim drafting, and assembling the file, typically takes 2 to 3 weeks when the information is available and decisions get made promptly. Health Canada’s review targets then apply from submission: 60 days for Class I, 90 days for Class II, and 210 days or more for Class III.

Stage	Class I	Class II	Class III
Preparation before submission	2 to 3 weeks	2 to 3 weeks	2 to 3 weeks, longer if evidence must be gathered
Health Canada review target	60 days	90 days	210 days or more
Total from start to NPN in hand	2 to 4 months	3 to 6 months	7 to 12 months

The totals in the bottom row are what we tell clients to build launch plans around. Targets are targets, and an information request in the middle of review stops your file until you answer it.

The rule that shapes everything: you cannot sell while the application is pending. There is no provisional status and no “submitted, awaiting approval” grace period. Order inventory that arrives before the NPN does, and it sits in a warehouse. The practical sequencing is to run the NPN application in parallel with manufacturing lead times so that the licence and the finished goods land close together, with the licence first.

Step by step: the application process

Here is the process as it actually runs, whether you file it yourself or have someone file it for you.

Confirm the product is a natural health product. Most supplements are, but the edges of the category matter. A product positioned as a food or a cosmetic follows different rules entirely, and the answer changes the whole project.
Search the monographs and set your class. Before finalizing a formula, check whether each medicinal ingredient has an NNHPD monograph and whether your doses and intended claims fit inside it. This step decides whether you are looking at 2 months or 12. If a small dose adjustment moves you from Class III to Class I, make it now, not after submission.
Lock the formulation. The application describes an exact recipe: each medicinal ingredient with its source material and potency, and each non-medicinal ingredient with its purpose. Changing the formula after submission means amending or restarting, so formulation and regulatory need to agree before anyone files anything. If you are still deciding how the product will be made, our overview of supplement manufacturing in Canada covers how brands typically structure this.
Draft the claims and label text. Claims must match what your class and evidence support. For a compendial filing, that means staying within the monograph wording. The label text, including required risk statements, gets drafted now because the application and the printed label have to tell the same story.
Submit the application to Health Canada. Product licence applications go in through Health Canada’s online filing system. A complete, internally consistent file is the goal; the most expensive submissions are the ones that come back.
Respond to information requests. If the reviewer finds a gap or an inconsistency, you receive a request with a deadline. Fast, complete responses keep the file moving. Slow or partial ones are the most common self-inflicted delay.
Receive the NPN and finalize the label. Once the licence is issued, the number goes on the label, the label goes through its final compliance check, and printing can proceed.
Keep the licence current. Post-launch changes to the formula, dose, claims, or brand name may require an amendment before the changed product sells. Build this into your change process so a marketing tweak does not quietly invalidate your licence.

What documents you need

The file that goes to Health Canada is smaller than most founders fear but more precise than they expect. For a typical filing you need:

The completed product licence application, covering product name, dosage form, recommended dose, duration of use, and route of administration
Full details of each medicinal ingredient: proper name, source material, and potency, plus plant part and extract ratio for botanicals
The list of non-medicinal ingredients with the purpose of each
Evidence for your claims: a monograph reference for compendial filings, traditional use documentation for traditional filings, or a full safety and efficacy package for Class III
The complete label text in both English and French

Precision is the operative word. “Ashwagandha extract” is not enough; the file needs the extract ratio, the plant part, and a potency that matches what the certificate of analysis will say. Mismatches between the application, the spec sheet, and the label are where files go to stall.

Two adjacent requirements are easy to miss. First, Canadian labelling rules require bilingual text on every natural health product sold anywhere in the country, and Quebec additionally requires that French be at least as prominent as the English. Getting the translation and layout right is its own discipline, which is why we run label files through a dedicated compliant product labels process rather than treating translation as a last-minute task. Second, the product must be made, packaged, labelled, and imported by operations holding a Health Canada site licence. Brands that come through our private and white label manufacturing program get this by default, since we coordinate production through GMP-certified partner facilities that hold the appropriate licences, and most of the ingredient documentation the application needs already exists in the production file.

Common reasons applications get delayed

Most delays are avoidable, and nearly all of them trace back to the file rather than to Health Canada. The patterns we see most often:

Claim wording that drifts from the monograph. A compendial filing borrows its claims from the monograph, and the borrowing needs to be faithful. Paraphrasing “helps to maintain immune function” into something punchier can convert a 60-day review into an argument.

Doses outside the monograph range. A dose set above the monograph maximum, sometimes for marketing reasons as small as wanting a rounder number on the label, silently reclassifies the product and can turn a 2-month timeline into 7 or more.

Missing risk statements. Monographs specify required cautions, warnings, and contraindications. Leave one off the proposed label text and the reviewer will send the file back.

Ingredient specifications that do not line up. The application says one extract ratio, the supplier’s certificate of analysis says another, the label implies a third. Any inconsistency between documents invites an information request.

Thin evidence on a Class III file. A novel formula needs a genuine safety and efficacy package. Submitting a Class III application supported by a handful of abstracts leads to rounds of requests that stretch the 210-day target well past it.

Slow responses to information requests. The review clock does not run while Health Canada waits for you. Files have spent more time in the applicant’s inbox than in the reviewer’s queue.

Assuming a US label transfers. A label built for the US market fails Canadian requirements on several fronts at once, from missing French text to absent risk statements, and fixing it after submission is slower than building it right the first time.

None of these are exotic. They are process failures, and a disciplined preparation phase catches them before Health Canada does.

How to look up an existing NPN

Health Canada publishes every licensed product in the Licensed Natural Health Products Database, the LNHPD. It is free, public, and searchable by NPN, product name, brand, licence holder, or ingredient. If you have ever wondered whether a product on a store shelf is actually licensed, this is where you check.

The database earns a place in your workflow beyond curiosity:

NPN lookup for verification: type in the 8 digits from any label and confirm the licence exists, what it covers, and who holds it. Retail buyers do this to vet suppliers, and you can do it to vet a competitor’s compliance.
Competitive research: search an ingredient and see every licensed product using it, along with the claims Health Canada accepted. Before writing your own claims, seeing dozens of approved precedents is grounding.
Confirming your own listing: after your NPN is issued, your product appears in the database. Check the entry, because that public record is what buyers and distributors will see.

The LNHPD lists licensed products; it is not the application portal. But as a free window into what Health Canada has approved and in what wording, it is one of the more useful research tools available to a founder, and it costs nothing but an afternoon.

Do US supplements need an NPN?

Yes. This catches US brands off guard more than any other rule, so it deserves its own section.

In the United States, dietary supplements are regulated under DSHEA, which has no pre-market approval step. A US brand can formulate a product, manufacture it in a compliant facility, and start selling without any government review of the specific product. Canada takes the opposite approach: pre-market approval, product by product. A supplement that is fully legal on US shelves has no standing in Canada until it holds its own NPN.

There is no shortcut based on the US status. FDA facility registration, GMP compliance, and years of clean US sales history are all fine things, and none of them substitute for a Canadian product licence. The Canadian application evaluates the product against Canadian monographs and Canadian evidence standards, and the US label almost never survives contact with Canadian requirements: it needs bilingual text nationwide, French at least as prominent as English for Quebec, Canadian-format risk statements, and claims matching what the licence actually authorizes.

For a US brand, the practical path is to treat Canada as a real market entry rather than an export afterthought: run the monograph analysis on the existing formula, adjust doses if a small change buys a faster class, file the application, and rebuild the label for Canadian compliance. Done in that order, market entry for a monograph-friendly product is a matter of months. Done backwards, with inventory already shipped, it is a warehouse fee.

Frequently asked questions

How much does it cost to get an NPN number in Canada?

Health Canada’s application fee depends on the class and has been phased in since late 2025, so check the current fee schedule for the government portion. Professional preparation and liaison support typically runs $2,500 to $5,000 for a monograph-based product and up to $8,000 for a complex Class III file.

How long does an NPN last? Does it expire?

An NPN does not expire. The licence remains valid as long as the product matches what was licensed. Changes to the formulation, dose, claims, or other licensed details may require an amendment before the changed product is sold.

Do I need a separate NPN for each flavour or strength?

Usually, yes. Different flavours, strengths, and formulations are different products in Health Canada’s eyes and generally need their own NPNs. Different bottle or package sizes of the identical formulation do not; one NPN covers the 60-count and the 120-count of the same product.

Can I sell my product while the NPN application is pending?

No. The product cannot legally be sold in Canada until the NPN is issued. There is no provisional or conditional status during review, which is why the application belongs at the front of your launch timeline rather than the end.

Is an NPN valid in every province?

Yes. The NPN is a federal licence and covers all provinces and territories. The one province-specific wrinkle is language: all Canadian labels must be bilingual, and Quebec requires French to be at least as prominent as English.

What is the difference between an NPN and a DIN-HM?

Both are issued by Health Canada under the Natural Health Products Regulations. An NPN covers natural health products such as vitamins, minerals, and herbal products. A DIN-HM covers homeopathic medicines, which follow their own application stream with different evidence standards.

Getting your NPN filed

The NPN process rewards preparation and punishes improvisation. Match a monograph and file a clean, consistent application, and you can hold a licence in a couple of months. Guess at the class, paraphrase the claims, or ship inventory before approval, and the same product can take a year to reach a shelf. If you would like the application handled alongside your manufacturing run, request a quote and we will scope the file, the timeline, and the cost for your specific product.

How to Get an NPN Number in Canada: The Complete Application Guide