That's because the metabolic pathways available to break down carbs for energy are more efficient than the pathways available for fat breakdown. For long, slower exercise, fat is used more for energy than carbs. When it comes to weight loss, it doesn't matter what type of fuel you use.
1 Cimetidine (Tagamet, Tagamet HB). 2  Cimetidine (Tagamet) is the oldest H2 blocker. 3  It has few side effects; approximately 1% of people taking it will experience mild temporary diarrhea, dizziness, rash, or headache.alcium carbonate (Tums, Titralac, and Alka-2) is a potent and rapid acting antacid that can cause constipation. These antacids are actually sources of calcium. There have been rare cases of hypercalcemia (elevated levels of calcium in the blood) in people taking calcium carbonate for long periods of time.
Generic Tagamet is available in over-the-counter and prescription forms. Tagamet Â® (cimetidine) is a medication that has been licensed to treat several conditions of the esophagus, stomach, and intestines.It is part of a class of drugs known as H2 blockers. Generic Tagamet is available both over the counter and by prescription.Prescription Tagamet tablets were originally manufactured by GlaxoSmithKline, although they are no longer being made. Generic prescription Tagamet tablets and solution are still available.Over-the-counter Tagamet HB tablets are made by GlaxoSmithKline.eneric Tagamet is available both over the counter and by prescription. Prescription Tagamet tablets were originally manufactured by GlaxoSmithKline, although they are no longer being made. Generic prescription Tagamet tablets and solution are still available. Over-the-counter Tagamet HB tablets are made by GlaxoSmithKline.