Spring Valley Vitamin B12 Tablets are a supplement designed to provide metabolism support.* Vitamin B12 is essential for healthy energy metabolism and also supports cardiovascular and nervous system health.* The suggested adult dosage is one tablet daily, preferably with a meal. These tablets are free of gluten, yeast, wheat, milk or milk derivatives, lactose, sugar, preservatives, soy, artificial colors, and artificial flavors and they contain less than five milligrams of sodium per serving. You can rest assured that Spring Valley Vitamin B12 Tablets are produced with strict quality guidelines and are backed by our quality guarantee.