Back to today’s briefing

Story perspectives

Zinc Absorption Tips: Avoid Calcium, Magnesium Interactions

11/7/2025

50 8

Summary

Story summary

Zinc absorption is hindered by magnesium and calcium, with the zinc–calcium relationship still under investigation.
Erin Barrett, a nutritional biochemist, explains these issues are not dangerous.
To avoid interactions, zinc supplements should be taken separately from other medications, spaced two to four hours apart.
Oysters, fortified cereals, and pumpkin seeds provide dietary zinc.
Always consult a doctor before starting supplements.

1 of 1

Story summary

Zinc absorption is hindered by magnesium and calcium, with the zinc–calcium relationship still under investigation.
Erin Barrett, a nutritional biochemist, explains these issues are not dangerous.
To avoid interactions, zinc supplements should be taken separately from other medications, spaced two to four hours apart.
Oysters, fortified cereals, and pumpkin seeds provide dietary zinc.
Always consult a doctor before starting supplements.