That morning cup sitting in front of you may be doing more than just waking you up. Researchers spent ten years tracking nearly 10,000 women aged 65 and older and what they found about tea and bone health is worth knowing.
The study, published in the journal Nutrients by researchers at Flinders University, compared regular tea drinkers to non-tea drinkers. The tea drinkers came out ahead. They had measurably higher hip bone mineral density, about 0.003 g/cm² more than women who skipped tea. The team also measured bone density at the femoral neck, another site closely tied to fracture risk.
That difference might sound small, but the researchers say small gains add up over time. As Enwu Liu, an adjunct associate professor at Flinders University’s College of Medicine and Public Health, put it:
“Even small improvements in bone density can translate into fewer fractures across large groups.”
Why would tea help? The researchers point to catechins, plant compounds found naturally in tea. These compounds may help promote bone formation and slow bone breakdown, which is especially important as we get older. One in three women over 50 will experience osteoporosis in their lifetime, the researchers noted, and a hip fracture can lead to long-term disability or worse.
What About Coffee Drinkers?
If you are a coffee person, here is the honest picture. Drinking two to three cups a day showed no meaningful harm to bone health. That is good news for moderate coffee drinkers.
However, the researchers found that drinking five or more cups a day was associated with lower bone density. The team was careful to note that this association did not reach statistical significance, so it is not a definitive finding. Co-author Ryan Liu explained the likely reason:
“Coffee’s caffeine content has been shown in laboratory studies to interfere with calcium absorption and bone metabolism, though these effects are small and can be offset by adding milk.”
No Need to Overhaul Your Morning
The researchers were clear that these findings are not a reason to panic or make big changes. The study drew its data from a well-established group called the Study of Osteoporotic Fractures, though it was composed primarily of white American women, so more diverse research is still needed. The study also relied on self-reported beverage intake, which is always an imperfect measure.
Still, a decade of tracking nearly 10,000 women gives these results real weight. And the takeaway is reassuring. As Enwu Liu summed it up:
“Our results don’t mean you need to give up coffee or start drinking tea by the gallon. But they do suggest that moderate tea consumption could be one simple way to support bone health… For older women, enjoying a daily cup of tea may be more than a comforting ritual; it could be a small step toward stronger bones.”
Calcium and vitamin D are still the cornerstones of bone health, the researchers noted. But what you sip each morning might play a small supporting role. A quiet cup of tea has always been one of life’s simple pleasures. Turns out, your bones may appreciate it too.