Is the calcium in antacids absorbed as well as is the calcium from supplements?
D000863:Antacids / Q000737:chemistry / Q000493:pharmacokinetics*; D002119:Calcium Carbonate / Q000493:pharmacokinetics*; D019587:Dietary Supplements; D006801:Humans; D007408:Intestinal Absorption / Q000187:drug effects
D000863:Antacids; D002119:Calcium Carbonate