Calcium Citrate vs. Carbonate: Which Should You Choose?
Choosing between calcium citrate and carbonate comes down to a few practical factors specific to your situation.
Absorption differences
Citrate absorbs well with or without food, while carbonate requires stomach acid and food intake for proper absorption.
Who should generally choose citrate
Older adults, anyone on acid-reducing medications (PPIs), and those with digestive concerns generally see better results with citrate.
Who can reasonably choose carbonate
Younger adults with normal stomach acid production and no interfering medications can use the cheaper, more concentrated carbonate form effectively.
Calcium citrate with vitamin D
A well-absorbed choice for most situations.
This content is for educational purposes only and is not a substitute for professional medical advice. Check with a doctor before starting a new supplement, especially with other medications or kidney concerns.