Olive Mill Water Company turns olive by-product into consumer beverage

The Olive Mill Water Company has launched what it says is the first consumer beverage made from olive mill wastewater, a long-discarded by-product of olive oil production. The move brings a widely studied source of polyphenols and antioxidants to market and could open a new functional beverage category.

Why it matters: - Olive mill wastewater has spent decades as waste, even as research has linked it to bioactive antioxidants and polyphenols. - The launch puts a previously inaccessible ingredient in front of consumers as a drink, not just a research subject. - The product could help define a new functional beverage category built around olive-derived compounds.

What happened: - The Olive Mill Water Company bottled olive mill wastewater as a polyphenol-rich beverage. - The company says the launch marks the first time this material has been made available globally as a consumer beverage. - Founder Chris Plazzer launched the product in Albert Park, Victoria, Australia, on Aug. 6, 2026.

The details: - Olive mill wastewater is a by-product of olive oil production. - Scientists have studied the liquid for its concentration of bioactive antioxidants and polyphenols, especially hydroxytyrosol. - A 2024 study in the International Journal of Pharmaceutics described OMWW as a "smart antioxidant material." - Research around OMWW spans inflammation, oxidative stress, cardiometabolic markers, cellular protection, mitochondrial function, gut microbiology, immune signalling and brain health and neuroprotection. - Testing shows Olive Mill Water can contain up to ten times the concentration of antioxidants found in olive oil. - The beverage has no fat or energy content from oil because it comes from the water portion of the olive. - Olive Mill Water is a single-ingredient drink with no additives, sweeteners, extracts or stimulants. - The product is made from 100% fermented olive mill water and comes in a 300ml bottle. - Plazzer said, "Few natural ingredients have been studied across so many health-related areas, yet remained largely inaccessible to consumers." - Plazzer said, "We think that's about to change." - Plazzer said, "People assume you need the oil to get the benefits of the olive, but it's actually the water, not the oil." - Plazzer said, "That's where a huge concentration of the polyphenols end up. You get the antioxidant profile without the oil's fat."

Between the lines: - The launch reflects a gap between academic interest and commercial use of OMWW. - The product leans on a science-led nutrition story rather than traditional juice or supplement positioning. - The company is trying to convert an agricultural waste stream into a value-added consumer product. - The company was selected for RMIT's [Re]Launch program for emerging start-ups. - Plazzer founded The Olive Mill Water Company in 2024 after leaving accounting and exiting an earlier online wine business in 2023. - Plazzer previously helped launch one of Australia's first online wine stores in 1999.

What's next: - The Olive Mill Water Company is positioning the beverage as the start of a broader functional beverage category. - Consumer adoption will likely depend on whether shoppers view olive mill water as a credible daily drink and not just a niche health product. - Further traction could push more food companies to look at olive by-products as commercial ingredients.

The bottom line: - A long-overlooked olive by-product is moving from waste stream to retail shelf, with science and functional nutrition driving the pitch.