For many people, coffee and tea are part of the daily routine. But could what you put in your cup also have a connection to bone health? New research from Flinders University is adding to the conversation. Researchers followed nearly 10,000 women aged 65 and older for 10 years, examining their coffee and tea consumption alongside changes in bone mineral density (BMD). The findings don’t mean you need to give up your morning coffee or dramatically change your routine. Instead, they highlight how everyday dietary habits may play a small role in long-term health.
What the Study Found
The researchers found different associations between coffee and tea consumption and bone mineral density. Women who regularly drank tea had slightly higher total hip bone mineral density compared with women who did not drink tea. The difference was modest, but it was statistically significant.
Coffee showed a more nuanced relationship. Moderate coffee consumption, around two to three cups per day, was not associated with harm to bone health in the study. However, women who reported drinking more than five cups per day had lower bone mineral density. Importantly, the researchers emphasized that these differences were relatively small and that the findings do not mean individuals need to completely eliminate coffee or dramatically increase their tea intake.
Why Might Tea Be Associated With Bone Health?
One possible explanation involves compounds called catechins, which are naturally found in tea. Researchers noted that catechins may have effects related to bone formation and the processes involved in bone breakdown. However, more research is needed to understand exactly why tea consumption was associated with slightly higher bone density in this study. This is an important distinction: the study observed an association between tea consumption and bone density. It does not establish that drinking tea directly causes stronger bones.
What About Coffee?
Coffee contains caffeine, and previous laboratory research has suggested that caffeine may influence calcium absorption and bone metabolism. However, the effects appear to be relatively small, and the new study did not find an association between moderate coffee consumption and poorer bone health.
The potential concern appeared primarily at very high levels of consumption. In this study, drinking more than five cups per day was associated with lower bone mineral density. Other lifestyle factors may also matter. The researchers found that the relationship between coffee consumption and bone density was stronger among women with higher lifetime alcohol consumption.
Bone Health Is About More Than Your Morning Drink
While your choice of beverage may contribute to your overall dietary pattern, bone health depends on many factors. Calcium and vitamin D remain important components of maintaining healthy bones. Regular physical activity, adequate nutrition, healthy lifestyle habits, and appropriate medical care can also contribute to overall bone health.
For older adults, maintaining bone strength becomes particularly important because lower bone density can increase the risk of osteoporosis and fractures. The new findings are therefore best viewed as another piece of the larger picture rather than a reason to completely change your daily routine.
Should You Stop Drinking Coffee?
For most people, this study does not suggest that moderate coffee consumption is automatically harmful to bone health. Instead, it provides an interesting reminder that moderation matters. If you’re drinking very large amounts of coffee every day, it may be worth discussing your overall diet and lifestyle with a qualified healthcare professional.
And if you enjoy tea, this research suggests that regular tea consumption may be associated with a small bone-health benefit—although more research is needed to determine whether tea itself is responsible for the difference. Ultimately, there is no single food or beverage that determines your bone health. Think of your daily habits as pieces of a larger puzzle. A balanced diet, adequate calcium and vitamin D, regular movement, and healthy lifestyle choices all have a place in supporting your health as you age. For a more personalized advice, reach out to us. Our goal is to help you look better, feel better and perform better. Get started today!



