L-Proline on the European supplement market
Most ingredient pages tell you what L-Proline is. This one shows how the European supplement market actually uses it — who sells it, who advertises it, and at what price.
RavenBI Market Intelligence · measured 25 Oct 2026 · observed, not estimated. Ad counts are active creatives in Meta's public Ad Library; product and price data come from public listings across the EU and US. Figures change weekly.
RavenBI tracks 215 L-Proline products from 97 brands across the EU and US. 13 brands advertise it on Meta right now, and new-ad activity cooled 72% in the last 30 days. Germany shows the heaviest advertising, while Germany has the largest shelf. The median EU shelf price sits around €37.
New L-Proline ads launched per month on Meta — last 6 months.
How brands use L-Proline, market by market
Products and brands that sell it, active ads and brands that advertise it, and the median shelf price — per market.
| Market | Products | Brands selling | Active ads | Brands advertising | Median price |
|---|---|---|---|---|---|
| Germany | 49 | 25 | 42 | 4 | €32.90 |
| United Kingdom | 21 | 14 | — | — | £27.04 |
| France | 6 | 3 | — | — | €33.90 |
| Italy | 44 | 8 | 18 | 2 | €48.00 |
| Spain | 14 | 10 | 5 | 3 | €42.40 |
| Romania | 34 | 11 | 4 | 1 | 155.50 RON |
| United States | 7 | 6 | — | — | $39.99 |
| Austria | 5 | 2 | 14 | 1 | €29.00 |
Who is on the shelf right now
Top brands by number of L-Proline products, and the forms they use.
Most-used forms
| Form | Products |
|---|---|
| Proline | 191 |
| L-prolină (L-form) | 21 |
| L-prolină (supplements) | 1 |
| L-prolină (L-form amino acid) | 1 |
| L-prolină (L-) | 1 |
Regulatory & positioning
| Botanical source | L-Proline |
|---|---|
| Novel food status | — |
| EFSA authorized health claims | None authorized |
| Marketed categories (observed) | joint health, beauty |
No EFSA-authorized health claim exists for L-Proline, yet brands market it for joint health, beauty — the gap between claim and positioning is itself a competitive signal.
Where L-Proline shows up
Across the ad channels and marketplaces RavenBI tracks.
See the ads, listings and shops behind these numbers →
What is L-Proline?
L-Proline is a non-essential amino acid commonly used in dietary supplements. It is a key component of collagen, making it a popular ingredient in products marketed for joint health and beauty, particularly skin and connective tissue support. L-Proline is often included in formulations aimed at maintaining structural proteins and is found in combination with other amino acids and nutrients that target musculoskeletal and dermal wellness. Its use spans various supplement formats, including powders, capsules, and functional blends.
This overview was generated with AI from public information and RavenBI's classification. Informational only, not medical advice.
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