Ingesting calcium without food can increase the risk of kidney stones
in women and possibly men.
Calcium can cause gastrointestinal symptoms
such as constipation, bloating, gas, and flatulence.
Large doses of calcium carbonate (12 grams or more daily or 5 grams or more of elemental calcium daily) can cause milk-alkali syndrome, nephrocalcinosis, or renal insufficiency.
Garlic has blood-thinning, anticlotting properties.
Discontinue using garlic before any surgical procedure.