<s>[INST] How should I take the calcium supplement? [/INST] This depends on its composition. For example, calcium carbonate, the most commonly used calcium supplement, should be taken with meals. Whatever the case may be, if in doubt you should discuss it with your pharmacist.  Source: Clinic Barcelona. Link: https://www.clinicbarcelona.org/en/assistance/diseases/osteoporosis/frequently-asked-questions. Field: Rheumatology. Disease: Ostoeporosis </s>