should be chosen according to their total diet and health circumstances.
Who Should Be Especially Careful?
Speak with a healthcare professional before regularly using homemade eggshell powder or another concentrated calcium source if you have kidney disease, recurrent kidney stones, abnormal calcium levels, osteoporosis requiring treatment, digestive conditions affecting nutrient absorption, or if you take prescription medications that may interact with calcium.
Pregnant or breastfeeding people and anyone already taking calcium or vitamin D supplements should also avoid casually adding another concentrated source without considering their total intake.
And because
