Where to Buy CBD Online in Poland? What to Watch Out For and How Not to Overpay

Two stores, the same percentage on the label, double the price difference. Which one to choose? You won’t find the answer in the product description because the description is written by the seller. In the analysis of 202 CBD products from the open market, 74% deviated from the declared potency by at least 10%, and solvent residues were detected in 181 of them (Gidal et al., Frontiers in Pharmacology, 2024). Therefore, buying CBD online comes down to two skills: reading documents instead of promises and reducing prices to a common measure. Below you will find both, along with the legal status described as it really is, and a list of signals by which you can recognize a store without a background.

KEY INFORMATION
• Of 84 CBD products purchased online, only 26 were within the compliance limit with the label (Bonn-Miller et al., JAMA, 2017).
• The limit of 0.3%, calculated as the sum of delta-9-THC and THCA, describes the hemp plant, not the content of the finished oil.
• Hemp extracts with cannabinoids have the status of novel food in the EU and have not received authorization as a supplement ingredient.
• Compare the cost per 100 mg of CBD, not the price of the bottle.
• A batch certificate from an external laboratory is the only proof of composition available before payment.

Is buying CBD online legal in Poland?

The sale occurs openly and no one is pursuing it, but the legal basis looks different than described by most stores. Two simplifications are circulating, and both lead the buyer astray: that 0.3% THC is the limit for the bottle and that hemp oil is a registered dietary supplement.

The first simplification concerns the plant. Hemp is defined in Polish law as those varieties in which the sum of delta-9-THC and tetrahydrocannabinolic acid in flowering or fruiting tops does not exceed 0.3% when calculated on dry mass, with the sum rounded to one decimal place. This wording was given by the amendment effective from May 7, 2022 (Journal of Laws 2022 item 763), and the threshold is stated in art. 4 point 5 of the Act on Counteracting Drug Addiction. It describes the raw material in the field, not the content of the extract in the finished product. Therefore, on the certificate of the oil, look for a separate result for THC expressed in milligrams, instead of relying on the phrase “below 0.3%” from the store’s description.

The second simplification concerns food. Extracts from Cannabis sativa containing cannabinoids are listed in the EU novel food catalog as novel food, meaning products that require authorization before being allowed for food circulation. No such authorization has been issued for cannabidiol. Therefore, products are on sale, while the term “dietary supplement” on the label precedes the legal status rather than describes it. The practical conclusion for the buyer is one: the seller has no right to attribute therapeutic effects to the oil or to claim it prevents diseases, and if they do, they just showed how they treat the regulations.

Why is the label of CBD oil not proof of content?

Because the label is printed by the manufacturer, and the content is measured by the laboratory, and these two numbers diverge in most tested products. Four independent analyses from 2017-2024 yielded the same picture despite different markets, methods, and sample sizes.

Bonn-Miller and colleagues purchased 84 products online from 31 companies. Compliance with the label within 10% was achieved by 26 products: 36 contained more CBD than the label declared, and 22 contained less. THC was detected in 18 samples, at concentrations reaching 6.43 mg per milliliter, although the labels did not declare it (Bonn-Miller et al., JAMA, 2017). Five years later, an analysis of 80 products from the American market showed compliance at 54%, with 12 products containing less than 90% of the declaration, and 25 more than 110% (Johnson et al., Journal of Cannabis Research, 2022).

The European market fared similarly, although the study on which we base this included a single country. A team from Pecs and Szeged searched the Hungarian internet with the phrase “buy CBD” and purchased 12 oils from the stores found. They measured between 19.58 and 54.09 mg of CBD per milliliter: one product was underestimated, five were overestimated, and half were correctly labeled (Vida et al., Frontiers in Pharmacology, 2023). The authors noted that most of the purchased products were also available in stores outside Hungary, so the brands are the same as in the rest of Europe. The broadest of these studies included 202 products and yielded the worst result: 74% deviated from the declared potency by at least 10%, and 26% did not even correspond to the declared type of extract (Gidal et al., 2024). Since the declaration diverges from the measurement in half of the cases, and in the broadest analysis in three-quarters of the cases, comparing the declarations of two manufacturers resolves nothing.

What should a batch certificate of analysis contain?

Five things, the absence of which disqualifies the document regardless of how nicely it looks. A certificate of analysis, described in the industry as COA, describes one batch of the product, not the brand or line. A report without a batch number says nothing about the bottle you have in your cart.

• Name of the laboratory and accreditation number. An independent unit from the manufacturer, preferably accredited by the Polish Center for Accreditation or an equivalent.
• Batch number and date of testing. Must match the packaging. A report from three years ago describes different plant material and a different process.
• Content of cannabinoids in milligrams. The percentage on the bottle is a derived record, and the measurement is given in mg per milliliter or per package.
• Separate result for THC. Expressed in milligrams, not inherited from the limit for the plant.
• Contaminant panel. Heavy metals, pesticides, and solvent residues, each with a measured value and reference threshold.

The last point is often omitted, and it distinguishes the certificate from a leaflet. In the analysis of 202 products, heavy metals were detected 52 times in 44 products, most often lead, solvent residues 446 times in 181 products, and among 232 tested pesticides, 26 appeared 55 times in 30 products (Gidal et al., 2024). The regulatory threshold was exceeded by a small portion of the results, so panic is unjustified, while the frequency of detections shows how rarely the process is completed. A certificate available on the product page is worth more than a “upon request” certificate, because the former you can check before payment, while the latter after. If you want to go through such a document line by line, we have a separate text: how to read a CBD certificate.

How to calculate if you are not overpaying for CBD oil?

Divide the price by the number of milligrams of CBD in the package and multiply by one hundred. You will get the cost per 100 mg, which is the only number that compares bottles of different capacities and strengths. A more expensive bottle at the checkout can turn out to be cheaper in calculation, and a promotion on a large capacity can be the most expensive item in the cart.

Prices are valid in the store ubucha.pl, as of August 8, 2026. They show a rule that repeats among most manufacturers: the cost per 100 mg decreases with increasing concentration, because the bottle, pipette, packaging, and batch testing cost the same regardless of the content of the extract. This does not mean that a stronger oil is a better purchase for everyone, as you will use a smaller bottle before the expiration date after opening.

We have noticed in conversations with customers that the most common disappointment comes not from choosing the wrong concentration, but from comparing bottles of different capacities. A 5% oil in 30 ml looks like a bargain at checkout compared to a 10% oil in 10 ml, although without recalculating, it is unclear which bottle gives more CBD for the same zloty. A minute with a calculator organizes the entire cart. We dedicated a separate text to the percentages: which CBD concentration to choose.

How to recognize a seller you should avoid?

By the language of promises and by what is missing on the page. The mentioned study of the Hungarian online market covered 16 stores: ten suggested health benefits indirectly, one attributed the product’s use in COVID-19, and a total of thirty alleged indications were collected (Vida et al., 2023). Three stores did not mention therapeutic uses at all.

In the same study, three of the twelve purchased products had no information on how to use them. A seller who cannot write how many drops and how often usually does not have access to batch data either. A separate trap is the naming. Hemp seed oil is a valuable food product, but it does not provide cannabinoids in amounts counted on the label. If the description says “hemp oil” and does not provide the CBD content in milligrams, you are probably buying cooking oil at the price of an extract.

The rest of the signals are mundane: lack of name and address of the entity responsible for bringing the product to market, lack of a Polish label, lack of contact other than a form, lack of production date and expiration date, lack of information on the extraction method. From our experience, a store that does not respond to a question about the batch number rarely hides something intentionally. They simply buy the goods from an intermediary and do not know themselves. For the buyer, the effect is the same.

Specialty store, marketplace, or pharmacy: where to buy?

The sales channel does not determine the quality of the product; it determines how much can be checked before payment. From this perspective, the differences between an auction platform, a pharmacy, and a specialized store come down to the availability of documents and who is responsible for complaints.

Marketplace platforms do not examine goods before listing, and batch certificates appear there rarely and may be outdated. Purchase is possible, but it requires the same work as elsewhere: request a batch certificate, check the seller’s NIP number and production date. Lack of response closes the matter. Sales through social media fare the worst, as an influencer’s account with a “own line” usually does not have a registered entity behind it to which you can submit a complaint.

A pharmacy is often considered safer by definition, although the pharmacist does not test the contents of the bottle and relies on the supplier’s documentation just like an online store. The selection is usually narrower there, and the batch certificate must be requested with the same question. Regardless of the channel, you have one right that always applies: under a distance contract, you have fourteen days to withdraw without giving a reason, according to the Consumer Rights Act. A store that makes this difficult has just answered the question about its credibility.

How to store CBD oil after purchase?

In darkness, in coolness, and tightly closed, because cannabidiol degrades under the influence of light, heat, and oxygen, and the products of this degradation can be psychoactive (Bazzo and Stulzer, Drug Development and Industrial Pharmacy, 2026). The bottle should be glass and tinted, amber or green.

The scale of losses due to light is measured and high. In an accelerated test under 8000 lux lighting, MCT oil retained about 20% of the initial cannabidiol content, while a powdered complex with hydroxypropyl-beta-cyclodextrin retained over 90% (Haidery et al., Journal of Pharmaceutical and Biomedical Analysis, 2026). This study compared carriers under laboratory conditions, not a bottle on a windowsill, but the direction is clear: oil does not protect cannabidiol from light by itself; the packaging does.

Hemp seed oil-based oils should be kept in the refrigerator, as unsaturated fatty acids oxidize faster than fractionated coconut oil. MCT oil products only need to be placed in a cool, dark cupboard away from the stove and windowsill. The expiration date after opening is provided by the manufacturer on the packaging, and only that date means anything, as it depends on the formulation. Cloudiness after cooling does not mean spoilage: it is a natural crystallization of fats that disappears after warming the bottle in your hand.

Close the dropper after each use and do not leave an open bottle on the counter while measuring. Contact with air with each portion accumulates over months, and oxidation works in the same direction as light. The bathroom is the worst place for such a bottle, as temperature and humidity fluctuate there several times a day. You can find details in the text about how to store CBD oil.

Frequently Asked Questions

Is buying CBD online legal in Poland?

The sale and purchase of hemp oils occur openly, but the legal basis looks different than described by most stores. The limit of 0.3% calculated as the sum of delta-9-THC and THCA defines the hemp plant (art. 4 point 5 of the act, wording from Journal of Laws 2022 item 763), not the finished oil. Cannabinoid extracts are listed in the EU catalog as novel food without issued authorization.

How to check if CBD oil has the declared potency?

Request a certificate of analysis for a specific batch from an external laboratory and compare the measured content with the label. The label alone is not enough: in the analysis of 202 products, 74% deviated from the declared potency by at least 10%, and previous studies showed 46% and 50% (Gidal et al., 2024; Johnson et al., 2022; Vida et al., 2023).

How much should a 10% CBD oil cost?

There is no official price, so calculate the cost per 100 mg of CBD instead of comparing bottle prices. In the table above, the same oil bottled in three concentrations ranges from 13.00 PLN to 9.50 PLN per 100 mg, based on prices from August 8, 2026. This is a measure you can apply to any offer.

Can you buy CBD at a pharmacy?

Some pharmacies carry hemp oils, usually with a narrower selection than specialized stores. The place of purchase does not confirm anything by itself: proof of composition remains the batch certificate from an external laboratory, which you can request in both a pharmacy and an online store.

What is a certificate of analysis and why should you read it?

It is a laboratory report for a specific batch of the product, covering the measured content of cannabinoids and tests for heavy metals, pesticides, and solvent residues. It has practical significance: in the analysis of 202 products, heavy metals were detected in 44 products, and solvent residues in 181 (Gidal et al., Frontiers in Pharmacology, 2024).

Can I return CBD oil purchased online?

Yes. Under a distance contract, the consumer has fourteen days to withdraw without giving a reason, according to the Consumer Rights Act. A seller who makes returns difficult or does not provide the details of the responsible entity is breaking the law, and that is the simplest signal to order elsewhere.

Hemp oils from Polish cultivation, along with a description of the raw material’s origin, can be found in the oils section of the store u Bucha.

This article is for informational and educational purposes. It contains internal links to product categories available in the store u Bucha. Prices and specifications may change: check the current data on the product page before purchasing.

Author: Michał Waluk · Published: 2026-05-29 · Updated: 2026-08-15