Influencer marketing for supplement brands in Poland

Why creators move supplement sales in Poland

A food supplement is a trust purchase. The shopper cannot see the product work on the shelf, the category is crowded, and many products look alike on paper. In that situation people borrow trust from someone they already follow: a trainer, a dietitian-style educator, a parent who documents family routines, a runner who posts training blocks.

For a foreign brand entering Poland, creators do three jobs that are hard to do any other way:

• They translate the brand. Not the label, but the reason to care. A Polish creator explains the product in the words Polish shoppers actually use.
• They create search demand. A good creator post sends people to Allegro, to pharmacy websites and to your own shop, searching for the brand name. That demand is what makes the rest of your channel plan work.
• They produce content you can reuse. A creator video that performs organically is often your best paid ad in the first months.

The catch is that the same qualities that make creators persuasive make them risky. A creator speaks in first person, improvises and exaggerates. In the supplement category, one improvised sentence about curing, preventing or treating something can turn a campaign into a legal problem for the brand. We cover how Polish shoppers decide in our article on how Poles buy supplements.

Platforms and creator tiers

Each platform does a different job in a supplement campaign, and the creator tier decides what you are really buying: reach, trust or content.

Across all three, we think in four tiers:

• Nano and micro creators - small, engaged audiences, often niche (running, strength training, parenting, women's health). Cheap per post, strong on trust, weak on reach. Best run in groups.
• Mid-tier creators - the working core of most supplement campaigns. Enough reach to move a code, still close enough to their audience to be believed.
• Macro creators and celebrities - reach and awareness. Expensive, and the most likely to be noticed by regulators and competitors, so compliance must be flawless.
• Experts - trainers, dietitians, pharmacists or doctors. Use extreme care: presenting a supplement through a medical authority figure can push it towards looking like a medicine, and the industry code discussed below bans using doctors, pharmacists and nurses in supplement ads for its signatories.

The legal frame: claims, labelling and supplement ad rules

This is the part foreign brands underestimate. Four layers apply to every creator post about your product.

1. Health and nutrition claims apply to creator content

Regulation (EC) No 1924/2006 covers claims made in any commercial communication, including advertising. A sponsored post is commercial communication. That means a creator may only use health claims and nutrition claims that are authorised in the EU Register of nutrition and health claims, under their conditions of use. “Vitamin D contributes to the normal function of the immune system” can work. “This stopped my colds” or “this fixes your joints” cannot. The fact that the creator phrased it personally does not change who benefits from it.

2. Advertising must be labelled, in Polish

The President of UOKiK, Poland's consumer protection authority, published recommendations on labelling advertising content by influencers in 2022. The key points, as summarised by PARP:

• The label goes in a visible place, at the start of the caption or recording, clearly separated and readable.
• Polish-language profiles use Polish labels such as #reklama, #materiałreklamowy, #współpracareklamowa or #płatnawspółpraca. English tags such as “#ad” are not recommended, and a bare “#współpraca” is not enough.
• Platform tools such as a paid partnership tag alone are not sufficient; UOKiK recommends combining them with the creator's own label.
• Income from affiliate links or discount codes counts as compensation and requires labelling. Repeated gifts from the same brand do too.
• Responsibility is shared by creators, agencies and advertisers, and contracts should give the brand the power to demand corrections.

This is enforced. In 2023 UOKiK fined supplement maker Olimp Laboratories and three creators a combined total of over PLN 5 million for hidden advertising, noting that the brand had recommended vague hashtags such as a brand-name tag instead of clear labels (Cowzdrowiu). The competition and consumer protection court later dismissed the company's appeal, according to Fitness Media. Fines for infringing collective consumer interests can reach 10% of the prior year's turnover (PARP). The European Commission's Influencer Legal Hub sets out the same principle at EU level.

3. Polish rules specific to supplement advertising

Under EU law, the labelling, presentation and advertising of a food supplement must not attribute to it properties of preventing, treating or curing human disease. Poland adds its own layer in Article 27 of the Act on food and nutrition safety: supplement marketing must not state or suggest that a balanced and varied diet cannot provide adequate nutrients (MDL Kancelaria Prawna). “You can't get enough from food, so take this” is a common creator line and a common breach. The sanitary inspection (GIS and local Sanepid) oversees the content of claims, while UOKiK looks at disclosure (Biotechnologia.pl).

On top of the law, the industry Code of Good Practice for Advertising Food Supplements, in force since 2016 and binding on signatories, requires the words “suplement diety” in ads and bans using doctors, pharmacists and nurses. Even if you have not signed it, Polish retailers and agencies often expect ads to follow it.

4. The rules are tightening

The government's draft amendment UD247 to the food safety act, listed for adoption in the third quarter of 2026, extends financial penalties to breaches in presentation, advertising and promotion (KPRM). According to Codozasady, the maximum fine would rise from 30 to 100 times the average monthly salary. Earlier proposals for a dedicated supplement advertising regime have also been discussed (Prawo Żywnościowe). Check the status with a Polish law firm before each large campaign.

Writing a brief creators can follow

Most compliance failures start in the brief. A brief that says “talk about how it made you feel” invites claims you cannot use. A good supplement brief gives creators freedom on format and none on claims.

1. Give an approved claims list. Copy the authorised wording for each active ingredient in Polish, with the conditions of use, for example the minimum amount per daily portion and the %NRV it relies on.
2. Give a banned phrases list. Disease names, “cures”, “treats”, “prevents”, “replaces medicine”, “you can't get this from food”, before-and-after body shots tied to the product.
3. Fix the labelling. The exact Polish label, where it goes, a spoken disclosure in video, and the platform's paid partnership tool on top.
4. Allow personal experience, carefully. “I take it every morning with breakfast” is a routine. “It fixed my sleep” is a claim.
5. Require pre-approval. Scripts or drafts go to the brand before publishing, and the contract lets you demand edits and removal.
6. Match the label. Everything said must match the Polish label as filed in your GIS notification. Our guide to health claims in Poland explains how to build the claims list.

Affiliate codes, whitelisting and paid amplification

Codes and links are how creator marketing becomes measurable. They are also a form of pay that must be disclosed, so the label rules apply to every post that carries one.

• One code per creator, easy to say out loud and to type. Track redemptions separately from last-click tracking, because a large share of creator-driven buyers search for the brand instead of clicking.
• Commission or flat fee. Commission aligns incentives but rewards creators whose audiences would have bought anyway. Many brands combine a flat fee with a smaller commission.
• Codes leak. Discount aggregator sites pick them up quickly. Set end dates and watch redemptions from unexpected sources.

Whitelisting means running paid ads from, or together with, the creator's account. On Meta this is done through partnership ads, and on TikTok through Spark Ads. It often performs better than brand-account creative because the ad looks like the post people already trust. Two cautions: paid reach multiplies the audience of any non-compliant sentence, and the usage rights, duration and editing permissions must be in the contract before you spend.

Measuring incrementality, not just code sales

Code redemptions tell you who used a code, not who was persuaded. Some of those buyers were already loyal customers hunting for a discount. To see what creators really add, we look at incrementality:

• Holdouts. Run creators in waves and keep some weeks, regions or audience segments without activity to compare against.
• Branded search. Watch searches for your brand name on Google and on Allegro in the days after a post goes live.
• New versus returning buyers. A code that mostly serves existing customers is a discount, not acquisition.
• Repeat purchase. Supplements pay back on the second and third order. Compare repeat rates of creator-acquired customers with other channels.
• Post-purchase surveys. A single “where did you hear about us?” question catches the buyers that no tracking link does.

Judge creators on cost per incremental new customer and on repeat behaviour, not on likes or views.

Campaign launch sequence and budget split

This is the order in which we run a first creator campaign for a foreign brand entering Poland.

We do not put numbers on the budget split in a guide, because it depends on category, price point and channel mix. What we plan for is a set of categories:

• Product seeding - product and shipping for gifted creators.
• Creator fees and commissions - flat fees, commissions and ambassador retainers.
• Paid amplification - media spend behind creator content.
• Compliance review - legal checks of claims lists, contracts and high-reach scripts.
• Measurement - tracking, surveys and the cost of a holdout.
• Reserve - for doubling down on creators who clearly work.

If you want a creator plan built around your product, your claims and your first channels in Poland, get in touch with us.

Sources

• Recommendations of the President of UOKiK on labelling advertising content by influencers (PDF)
• PARP - advertising by influencers under the law and UOKiK recommendations
• Cowzdrowiu - PLN 5 million in fines for hidden supplement advertising
• Fitness Media - Olimp Laboratories loses in court against UOKiK
• European Commission - Influencer Legal Hub
• EU Register of nutrition and health claims
• MDL Kancelaria Prawna - rules on advertising food supplements
• Biotechnologia.pl - supplement advertising by influencers, GIS and UOKiK
• Traple Konarski Podrecki - Code of Good Practice for Advertising Food Supplements
• KPRM - draft amendment to the food safety act (UD247)
• Codozasady - bill to amend the Food Safety and Nutrition Act
• Prawo Żywnościowe - planned changes to supplement advertising
• Meta Business Help Center - partnership ads
• TikTok Business Help Center - Spark Ads