Understanding the interactions, benefits, and safety of combining these two powerful supplements.
We found no documented interaction between Probiotic and Calcium in the sources below. That isn't proof the combination is right for you: check each one's cautions, and ask your pharmacist if you take medication.
What it is: Live microorganisms, mostly bacteria, that may benefit health when taken in large enough amounts. They work mainly in the gut.
What the research says: Effects depend on the specific strain, and many probiotic products haven't been studied.
In Holitro: 10B Probiotic
Source: NIH Office of Dietary Supplements: Probiotics: Fact Sheet for Consumers (updated November 2025)
What it is: The body's most abundant mineral; it builds bones and teeth and helps muscles, nerves and blood vessels work.
What the research says: Calcium supports bone health, especially when diet falls short. Vitamin D helps the body absorb it.
In Holitro: Calcium Citrate (160 mg per capsule)
Source: NIH Office of Dietary Supplements: Calcium: Fact Sheet for Consumers (updated September 2023)
Check with your doctor or pharmacist, especially if you take medication.
Check your stack — freeEducational information only, not medical advice. This reflects general ingredient overlap, not a personalized safety review. Always check with your doctor or pharmacist before combining supplements, especially if you take medication, are pregnant or nursing, or manage a health condition. These statements have not been evaluated by the FDA.
Balancing dosages across multiple different bottles is risky, inefficient, and expensive. 10B Probiotic is already lab-dosed and delivered daily in our Gut Pack — one less bottle to manage.
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