Does Tea Affect Magnesium Bisglycinate?

May affect absorption or how you feel

The short answer

Tea tannins and oxalates can chelate magnesium even in chelated forms, reducing absorption efficiency.

How to arrange timing

Take magnesium bisglycinate at least 2 hours apart from tea.

Reference

Reference noted for this food and supplement combination: Examine.com 2024

Important context

The effect can also change with food amount, supplement dose, product formulation, health conditions, and medication use. Ask a doctor or pharmacist first if you take medication, are pregnant or breastfeeding, or have a chronic condition.