Why Fanta, 7-Up, and Sprite May Be Good For You

The only thing more painful then a kidney stone, is the idea of getting another kidney stone. But could 7-Up be the miracle cure for kidney stones? We’ve heard a lot lately about the downside to soda consumption, and before you ban the bubbly treat indefinitely, you may want to read this. Though it’s too soon to make any definitive recommendations, new lab research suggests that certain citrus-flavored diet sodas (such as 7-Up, Sunkist, Fanta, Fresca, or Sprite) could potentially help prevent kidney stones. Apparently, these sodas contain large amounts of citrate, a compound that is known to curb the development of calcium oxalate stones – the most common type of kidney stone.

The new study was published in the Journal of Urology, and results suggest that citrus-flavored diet sodas could potentially represent a level of added protection for people who are prone to forming kidney stones. The root cause of kidney stone development is the presence of more crystal-forming substances (like calcium, uric acid and oxalate), than the body can effectively dilute using available fluids. According to Dr. Brian H. Eisner, a urologist at Massachusetts General Hospital in Boston and lead researcher on the study, people who tend to form kidney stones more readily often have very little citrate present in their urine.

A previous study completed 10 years ago found that consuming a homemade lemonade drink was also helpful in boosting urine citrate levels. This latest study focused on the capacity of commercially available drinks to offer this same benefit, and used diet rather than regular soda in order to limit both sugar and calories. Citrus-based sodas contained somewhat higher citrate levels than the homemade lemonade used in earlier tests.

Doctors frequently recommend taking potassium citrate supplements to treat or prevent calcium oxalate or uric acid stones. The real effectiveness of the homemade lemonade drink is unclear, but Eisner notes that some doctors do recommend it to their patients. Now, urologists may be recommending soda. Dark colas such as Diet Coke, were found by researchers to have little to no citrate.

As noted, it is still too early to say that such sodas can actually help prevent kidney stones, but Eisner and his colleagues are conducting further studies to hopefully address this question. Meanwhile, patients are generally advised to drink 2-3 liters of water or other fluids each day, and of course to seek medical advice as necessary if there are any concerns regarding diagnosis and treatment of kidney stones.

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  • I recently passed two large 5mm & 6mm calcium kidney stones in the span of 1 week which were very painful as they traveled through the kidney. My diet had been very little water and two cans of soda per day. I then started drinking about 10 glasses of water and water with a few tablesspoons of lemon juice mixed in thinking they would stop. Low and behold I peed out a smaller 2-3mm kidney stone overnight 5 months later which I didn’t even know I had. Before bed the night before, I had the first can of soda in months (Hansen’s diet) thinking I had been drinking too much diet 7up and not enough water. I now think the key to helping prevent calcium stones may be citrus soda AND lots of water.

  • 7up totally works
    had a kidney friggin bsktbll that was calcium based
    it was 2 big 2 pass n the urine pressure felt like a gnife in my lower left back
    it was fri nite n couldnt get lipotripsy til mon
    downed sum cans of 7up, over the span n eventually passed it b4 mon

    by followin up milk products with 7up, i dont form stonesworks 4 me anyways 

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