L-Isoleucine on the European supplement market
Most ingredient pages tell you what L-Isoleucine 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 1,488 L-Isoleucine products from 337 brands across the EU and US. 11 brands advertise it on Meta right now, and new-ad activity cooled 76% in the last 30 days. Germany shows the heaviest advertising, while Italy has the largest shelf. The median EU shelf price sits around €30.
New L-Isoleucine ads launched per month on Meta — last 6 months.
How brands use L-Isoleucine, 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 | 350 | 80 | 18 | 3 | €29.99 |
| United Kingdom | 130 | 47 | — | — | £32.99 |
| France | 72 | 22 | — | — | €31.90 |
| Italy | 355 | 47 | 1 | 1 | €28.29 |
| Spain | 146 | 42 | — | — | €29.18 |
| Romania | 193 | 21 | 6 | 3 | 144.50 RON |
| United States | 45 | 26 | 1 | 1 | $39.99 |
| Austria | 56 | 13 | — | — | €29.90 |
Who is on the shelf right now
Top brands by number of L-Isoleucine products, and the forms they use.
Most-used forms
| Form | Products |
|---|---|
| Isoleucine | 1,309 |
| L-izoleucină (L-form) | 102 |
| L-izoleucină (L-) | 42 |
| L-isoleucine Malate | 16 |
| L-izoleucină (free form) | 3 |
| L-izoleucină (instant) | 3 |
Regulatory & positioning
| Botanical source | L-Isoleucine |
|---|---|
| Novel food status | — |
| EFSA authorized health claims | None authorized |
| Marketed categories (observed) | muscle mass, sports recovery |
No EFSA-authorized health claim exists for L-Isoleucine, yet brands market it for muscle mass, sports recovery — the gap between claim and positioning is itself a competitive signal.
Where L-Isoleucine shows up
Across the ad channels and marketplaces RavenBI tracks.
See the ads, listings and shops behind these numbers →
What is L-Isoleucine?
L-Isoleucine is a branched-chain amino acid (BCAA), one of the essential amino acids required for protein synthesis. It is commonly included in dietary supplements formulated for muscle mass and sports recovery. L-Isoleucine is often combined with other BCAAs such as L-Leucine and L-Valine in products targeting athletes and active individuals. Its role as a building block of proteins makes it a frequent ingredient in formulations aimed at supporting physical performance and recovery processes.
This overview was generated with AI from public information and RavenBI's classification. Informational only, not medical advice.
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