Who owns Isopure?
Isopure is owned by Glanbia (Ireland, ISE: GL9).[1]
This ownership is reported in official statements but has not yet been matched to a regulatory filing.
Evidence: Glanbia — Full Year 2025 Results, Glanbia plc. Last checked .
Key facts
- Current owner
- Glanbia plc reported
- Owner HQ
- 🇮🇪 Ireland, Kilkenny
- Origin
- 🇺🇸 United States
- Category
- Food › Nutrition & supplements › Protein & sports nutrition
- Parent ticker
- ISE: GL9
- Last verified
- · 1 sources
About Isopure
Isopure is a US brand of premium whey protein powders and ready-to-drink shakes, sold mainly through specialty, online and direct channels. Glanbia agreed to buy The Isopure Company in September 2014 for $153 million, and treats Isopure and Optimum Nutrition as its two priority protein brands. It has added Isopure Protein Water.
Ownership timeline of Isopure
Where Isopure sits in Glanbia
Controlling ownership as of . Brands grouped under the entity that owns them; large groups are collapsed.
Open the full Glanbia ownership tree →
See the full Glanbia brand portfolio (5) →
Other brands owned by Glanbia
Glanbia controls 5 brands on Brandtree, 5 of them in food.
Also in food
Other brands in protein & sports nutrition, and who owns them
Glanbia has more brands in protein & sports nutrition on Brandtree than any other owner: 3 of 20.
| Brand | Owner | Owner based in |
|---|---|---|
| Dymatize | BellRing Brands | 🇺🇸 United States |
| OWYN | Simply Good Foods | 🇺🇸 United States |
| THE:Danbaek | Binggrae | 🇰🇷 South Korea |
| Vitamin Whey | Edible Garden | 🇺🇸 United States |
| Herbalife24 | Herbalife | 🇰🇾 Cayman Islands |
| Selex | Maeil Dairies | 🇰🇷 South Korea |
| OPTAVIA ACTIVE | Medifast | 🇺🇸 United States |
| TEHO | Olvi | 🇫🇮 Finland |
About the owner: Glanbia
Glanbia is a publicly listed company headquartered in Kilkenny, Ireland. Brandtree records 5 brands under its control, and it is listed as ISE: GL9.
Glanbia is an Irish nutrition group headquartered in Kilkenny, formed when Avonmore Foods and Waterford Foods merged in 1997 and renamed Glanbia, Irish for pure food, in 1999. It reported revenue of $3.9 billion in 2025 across Performance Nutrition, Health & Nutrition and Dairy Nutrition. It has moved from Irish dairy cooperative roots to US sports nutrition brands, selling its Glanbia Ireland stake in 2022 and SlimFast and Body & Fit in 2025. It also holds cheese joint ventures including Southwest Cheese.
🇺🇸 Isopure and other American brands
Brandtree records a controlling owner for 2,570 brands that began in the United States. 501 of them (19%) are now controlled by a company headquartered in another country, Isopure among them.
Frequently asked questions
Who is the parent company of Isopure?
The parent company of Isopure is Glanbia, a publicly listed company headquartered in Ireland.
Is Isopure American or Irish?
Isopure originated in the United States, but it is owned today by Glanbia, which is headquartered in Ireland. So Isopure is an American-origin brand under Irish ownership.
Is Isopure still owned by Glanbia?
Yes. As of 16 September 2026, Isopure is still owned by Glanbia. The ownership record was last checked against primary sources on that date.
Sources (1) & corrections
Last verified . Every ownership fact above is backed by one of these primary documents. Numbers in brackets in the text refer to this list.
- [1] Glanbia — Full Year 2025 Results — Glanbia plc, Annual report; retrieved 16 September 2026.
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