Calcium and Vitamin C: Can You Take Them Together?

At most a minor interaction

Calcium and Vitamin C have at most a minor documented interaction. No change needed. They can be taken together or apart.

What the evidence says

minortiming· limited evidence

In an observational study, postmenopausal women taking both vitamin C and calcium supplements had the highest bone density. An association of this kind does not show that combining them helps, and no trial has tested the pair.

Vitamin C is needed to make collagen, the protein framework of bone. That is a nutritional role, not an interaction with supplemental calcium.

What to do: No change needed. They can be taken together or apart.

Calcium

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Vitamin C

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Frequently asked questions

Can you take Calcium and Vitamin C together?: Calcium and Vitamin C have at most a minor documented interaction. No change needed. They can be taken together or apart.
Do Calcium and Vitamin C interact?: In an observational study, postmenopausal women taking both vitamin C and calcium supplements had the highest bone density. An association of this kind does not show that combining them helps, and no trial has tested the pair. Vitamin C is needed to make collagen, the protein framework of bone. That is a nutritional role, not an interaction with supplemental calcium.
Should you separate Calcium and Vitamin C?: No change needed. They can be taken together or apart.

This information is for educational purposes only. It is not a substitute for professional medical advice. Always consult a qualified healthcare provider before starting, stopping, or changing any supplement or medication.