Key Takeaways

Daily orange juice changed activity in 1,700+ genes

Gene responses differed between normal weight and overweight individuals

Experts say results are promising but are based on a small study without a control drink

WEDNESDAY, Nov. 19, 2025 (HealthDay News) — Your morning orange juice may be influencing your health in ways you can’t see.

In a new study published recently in the journal Molecular Nutrition & Food Research , researchers found that daily OJ intake altered gene activity connected to heart and metabolic function.

For the study, 20 healthy adults drank around two cups of 100% orange juice daily for two months.

Scientists from universities in Brazil and the United States then examined samples of participants’ immune cells. They tracked changes in more than

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