The standardized uptake value (SUV) is a nuclear medicine term, used in positron emission tomography (PET) as well as in modern calibrated Single Photon Emission Tomography (SPECT) imaging for a (semi)quantitative analysis.[1] Its use is particularly common in the analysis of [18F]fluorodeoxyglucose ([18F]FDG) images of cancer patients.
As you know tums tablets are mainly made of calcium carbonate. To get calcium carbonate, mining or quarrying is required but pure calcium carbonate can be made from a pure quarried source such as marble, etc.
Quick Answer. The active ingredient in Tums Regular Strength Assorted Fruit chewable antacid tablets is 500 milligrams of calcium carbonate, according to the manufacturer. Inactive ingredients include sucrose, corn starch, talc, mineral oil, natural and artificial flavors, adipic acid and sodium polyphosphate.