This calcium is a natural seaweed product harvested from the seabed off the southwest coast of Ireland. Here amongst the cleanest and purest waters found anywhere is the world, grows the small red seaweed Lithothamnium which is composed of a wide variety of body essential nutrients, including calcium, phosphorus, magnesium, boran, and zinc. 12 oz.

Guaranteed Analysis:
Calcium  - 1000 mg
Magnesium  - 100 mg
Sulfur  - 14 mg
Potassium  - 3 mg
Phosphorus  - 24 mg
Boron  - 75 mcg
Zinc  - 66 mcg
Iodine  - 60 mcg
Selenium  - 3 mcg

Dosage:
Add 1 teaspoon to each pound of home prepared food or as directed by your veterinarian. Each teaspoon contains about 3 grams. 110 teaspoons per container.