No link found
Alkaline diet and alkaline water
eating to change body pH. Food & drink.
- Verdict
- No link foundStudies looked for a link to cancer and didn't find one.
- How sure
- Rung 3 · ModerateConsistent observational studies or small trials, not yet confirmed by large trials.
- How big
- No effect found: food and water can't change blood pH.
The rung shows how sure the science is, not how big the effect is. How to read these ratings
Cancers affected
None
What the evidence shows
Diet can change urine pH but not blood pH. A 2016 BMJ Open review found no evidence that food or water pH causes or prevents cancer, and called promoting it unjustified.
What to do
Skip it. Very restrictive versions can leave you short of iron, calcium and vitamin D.
Sources
To take it to your doctor, print this page.
Related
Every myth and exposure we rated, or follow one cancer step by step: breast cancer, colorectal cancer, lung cancer and prostate cancer.