Bacid® Probiotic Dietary Supplement 50 per Bottle Caplet (1123764_BT) 1/BTBacid contains the same live cultures found in yogurt and helps improve occasional digestive upset and constipation. If you don't consume yogurt, or other foods which naturally contain probiotics, on a daily basis, your digestive system could benefit from these probiotic caplets. There are 50 caplets in a bottle.