Try to drink coffee away from meals, caffeine & tannins in coffee interfere with minerals, protein and lipid absorption. The same applies to tea.

https://pubmed.ncbi.nlm.nih.gov/8360789/

https://pubmed.ncbi.nlm.nih.gov/6402915/

https://www.sciencedirect.com/science/article/pii/S000291652...