Collagen is a protein found in connective tissues of the body. It is significant in making certain parts of the body such as nails strong and is also an important factor in joint health. Collagen supplements come in various forms.
Calcium supplements are available throughout the United States and Canada in different forms. There are four types of calcium supplements available for purchase. The most frequently used and effective calcium supplements are calcium carbonate and calcium citrate. The other two, calcium gluconate and calcium lactate, contain less elemental calcium are not as readily available as the other types.
The calcium in most supplements is either in the form of calcium carbonate or calcium citrate. Research shows that they are absorbed equally well with meals, but calcium carbonate is harder to digest than calcium citrate.People are usually advised to take calcium carbonate with or soon after a meal.alcium supplements usually come in 500- to 600-mg tablets. You don't absorb large doses of calcium as efficiently as you do small ones. Thus, much of a 1,000-mg tablet is going to waste, although unabsorbed calcium in the gut may have benefits.