Calcium Absorption

As you might predict, I get a lot of questions about dietary supplements. People read about some just-discovered source of a nutrient and the claims that it’s better absorbed, and they wonder: is this better than the supplement I’m taking? Such is the case with calcium. A company has claimed that their form of calcium from algae is better absorbed.

Let’s start off with a general overview of calcium absorption. Calcium is poorly absorbed regardless of the source—doesn’t matter whether it’s dairy products, fish with soft bones such as sardines, or in supplements . . .

We're sorry, but this content is available to Members and Insiders only.

If you're already a DrChet.com Member or Insider, click on the Membership Login link on the top menu. Members may upgrade to Insider by going to the Store and clicking Membership; your membership fee will be prorated automatically.