Clay is used to take a mold of a good tab. This good tab mold is fit to the broken tab, then filled with ABS cement. The tab is rough, and not exactly perfect. However, it is a full plastic repair of the missing section, and a great improvement over what was there.
The real reason we are feeling so run down is lack of nutrients in our soils. Even eating exceptionally well, we will still run short. Its a sad fact, but true. To cover those daily needs the best nutritionals out there can be found at http://healthforthesoul.youngevity.com/ My recommendation is the healthy start pack for your basics.
Stomach cramps are one of the most unpleasant, uncomfortable problems associated with running. During a run, cramps or stitches can seriously hamper your performance. If the cramping continues hours after running, however, it can lead to more serious problems. Dehydration does not cause cramping, but cramps can easily lead to dehydration, either through diarrhea or because stomach pain prevents you from drinking enough. If you regularly suffer severe cramping after running, consult your doctor.