Supplement stacks / Calcium + Omeprazole
Can You Take Calcium with Omeprazole?
Calcium and omeprazole can be taken together, but caution is advised due to potential interactions affecting calcium absorption. Omeprazole may reduce stomach acidity, which can impair calcium absorption, particularly from calcium carbonate supplements. It is recommended to separate the intake of these substances to mitigate risks.
Conservative, AI-assisted reading of publicly available medical sources (NIH, Mayo Clinic, WebMD, Examine.com). Informational only — it can't account for your medications, conditions, or genetics.
Omeprazole may reduce stomach acidity, which can impair the absorption of calcium, particularly from calcium carbonate. It is advisable to separate the intake of calcium and omeprazole by at least 2 hours.
Generally safe when taken as directed; however, excessive intake can lead to hypercalcemia and kidney stones. Consult a healthcare provider if you have kidney issues or are on certain medications.
Typical dosage: Varies by product — follow the label.
- Constipation
- Nausea
- Stomach upset
- Consult a healthcare provider if you have a history of kidney stones or hypercalcemia.
Generally safe when taken as prescribed; long-term use may lead to vitamin B12 deficiency and increased risk of fractures. Consult a healthcare provider for prolonged use.
Typical dosage: Varies by condition — follow the label.
- Headache
- Diarrhea
- Nausea
- Long-term use may require monitoring for vitamin B12 levels.
Take calcium at least 2 hours after omeprazole to enhance absorption and minimize interaction risks.
Can you take Calcium and Omeprazole together?
Calcium and omeprazole can be taken together, but caution is advised due to potential interactions affecting calcium absorption. Omeprazole may reduce stomach acidity, which can impair calcium absorption, particularly from calcium carbonate supplements. It is recommended to separate the intake of these substances to mitigate risks.
How safe is the Calcium and Omeprazole combination?
Our analysis of publicly available medical sources scores this combination 6/10 (medium risk). This is an informational estimate, not medical advice — always confirm with a healthcare professional.
When should you take Calcium and Omeprazole?
Take calcium at least 2 hours after omeprazole to enhance absorption and minimize interaction risks.
Taking more than these two? Run your complete supplement list — plus any medications — through the live checker for a combined analysis.
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Analysis generated August 28, 2026 · Sources include NIH, Mayo Clinic, WebMD, and Examine.com · How our analysis works