L-Cysteine on the European supplement market
Most ingredient pages tell you what L-Cysteine 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 580 L-Cysteine products from 276 brands across the EU and US. 18 brands advertise it on Meta right now, and new-ad activity cooled 10% in the last 30 days. Germany shows the heaviest advertising, while Germany has the largest shelf. The median EU shelf price sits around €35.
New L-Cysteine ads launched per month on Meta — last 6 months.
How brands use L-Cysteine, 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 | 140 | 62 | 52 | 6 | €29.45 |
| United Kingdom | 117 | 48 | — | — | £25.55 |
| France | 31 | 20 | 4 | 3 | €29.95 |
| Italy | 63 | 30 | 13 | 4 | €31.43 |
| Spain | 61 | 35 | 8 | 3 | €31.93 |
| Romania | 65 | 29 | — | — | 107.50 RON |
| United States | 26 | 17 | — | — | $39.47 |
| Austria | 16 | 7 | 4 | 1 | €50.90 |
Who is on the shelf right now
Top brands by number of L-Cysteine products, and the forms they use.
Most-used forms
| Form | Products |
|---|---|
| L-cisteină | 254 |
| L-Cisteina (N-acetyl) | 114 |
| Cysteine | 80 |
| L-Cysteine Chloride | 74 |
| L-cisteină (N-acetyl L-form) | 27 |
| L-Cisteina (acetylated) | 15 |
Regulatory & positioning
| Botanical source | L-Cysteine |
|---|---|
| Novel food status | — |
| EFSA authorized health claims | refused |
| Marketed categories (observed) | beauty |
Where L-Cysteine shows up
Across the ad channels and marketplaces RavenBI tracks.
See the ads, listings and shops behind these numbers →
What is L-Cysteine?
L-Cysteine is a non-essential amino acid commonly used in dietary supplements. It serves as a building block for proteins and is often included in formulations aimed at beauty and personal care products. L-Cysteine is typically found in supplements marketed for hair, skin, and nail health. It may also be used in combination with other amino acids or nutrients in complex formulations. As an amino acid, it plays a role in various metabolic processes, making it a versatile ingredient in the supplement industry.
This overview was generated with AI from public information and RavenBI's classification. Informational only, not medical advice.
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