Cola drinks make bones fragile

Above all, osteoporosis is a problem of the elderly. But even teenagers can be affected by it or at least lay the foundation for it. The reason? Too much cola probably harms the bone. Several studies in recent years have shown that over-consumption of cola drinks may have harmful effects on the weight, kidneys, and bones.

Only girls and women affected

Drinking cola on a regular basis can increase the risk of osteoporosis in young girls and thus the risk of fractures. The negative effect affects especially girls, in turn, the fractures are found mainly in the wrist and forearm.

But even older women are not immune to the negative effect of cola: even with them shows a reduced bone density (especially in the hip area), if they drink cola every day. Incidentally, this effect occurs not only with normal cola products, but also with cola-light drinks and - slightly weakened - decaffeinated cola drinks.

Drink less cola

Cola drinks contain a lot of phosphate in the form of phosphoric acid. Phosphate prevents the absorption of the mineral calcium into the bone and thus leads to a reduction of the bone density. Cola drinks consist of sugar, caffeine and phosphoric acid and contain per liter 140 milligrams of phosphate. Especially at an age that is very important for bone formation and bone density, many girls drink more phosphate-containing beverages.

At the same time, they refrain from focussing on calcium-containing foods such as milk and dairy products. The recommended daily intake of calcium for the age group 13 to under 19 years is 1200 milligrams, then 1000 mg. However, according to American studies, the average calcium intake in this age group is lower among girls. However, it is at this age that it is important to have sufficient calcium to minimize the risk of developing osteoporosis.

Add calcium

Instead of cola drinks, teenage girls should prefer calcium-rich mineral waters (calcium levels above 150 milligrams per liter), calcium-fortified fruit juices or fruit juice spritzers from both. After consultation with the doctor, milk muffels may also use calcium supplements to cover the calcium requirement. In any case, care should be taken to ensure sufficient calcium intake to lay the foundation for healthy bones in old age.


  • Tucker K et al .: Colas, but not other carbonated beverages, are associated with low bone mineral density in older women: The Framingham Osteoporosis Study. At the J Clin Nutr. 2006 Oct; 84 (4): 936-42
  • Kristensen M, et al .: 10-day interventional study in young men with osteoporosis Int. 2005 Dec; 16 (12): 1803-8
  • Wyshak G .: Teenaged Girls, Carbonated Beverage Consumption and Bone Fractures. Archive of Pediatrics & Adolescent Medicine 2000, Vol. 6
  • Wyshak G, Fresh RE: Carbonated beverages, dietary calcium, the dietary calcium / phosphorus ratio, and bone fractures in girls and boys. J Adolesc Health. 1994 May; 15 (3): 210-5
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