Olive extract and bromelain mix tested on brain tumor cells in a lab
Original title: In Vitro Effects of an Olive Polyphenol-Bromelain Formulation on U87MG Glioblastoma Cells: Viability, Cell-Cycle Distribution, Cytokine Release, and Total Antioxidant Capacity.
How far along is this research?
- Lab cells
- Animals
- Review
- Tested in people
This was done on cells in a lab, not in people. It is a very early step.
This was only done on cells in a dish, not in people.
The short version
This was a lab test on glioblastoma: A glioma that is given grade 4, the highest grade. It grows fast. Treatment usually starts soon after it is found. It often means surgery, then radiation and chemotherapy. See the glossary cells in a dish, not a test in people.
What was studied. Researchers mixed olive polyphenols with bromelain in a set ratio. They put it on U87MG glioblastoma: A glioma that is given grade 4, the highest grade. It grows fast. Treatment usually starts soon after it is found. It often means surgery, then radiation and chemotherapy. See the glossary cells grown in a dish. They compared it to bromelain by itself.
What they found. Seven plant compounds were measured in the olive part, adding up to 483.22 mg/kg. The mix lowered a sign of cell activity more than bromelain alone at lower and middle amounts. At higher amounts, the effect did not keep going up in a steady way. More of the treated cells sat in a resting stage, and the fluid around them showed less of one inflammation signal and more of a calming one.
What this means, and what it doesn't
What it could mean: For now, this means very little for your care. It is an early lab signal that this mix changes how these tumor cells behave in a dish. The authors say the results only describe what they saw.
What it doesn't mean: This does not mean the mix treats glioblastoma: A glioma that is given grade 4, the highest grade. It grows fast. Treatment usually starts soon after it is found. It often means surgery, then radiation and chemotherapy. See the glossary. It was done on cells in a dish, not in animals and not in people. The authors say their work does not show the mix kills tumor cells, works better together, targets only tumor cells, or helps patients. It is not a cure, and it is a long way from everyday care. Do not start taking olive supplements or bromelain based on this. Talk to your care team first.
Source: PubMed, September 20, 2026 · Read the original
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