Source Naturals - B2 100 mg. - 100 Tablets Source Naturals - B-2 100 mg. - 100 TabletsSource Naturals B-2 supports energy production. Vitamin B-2, also known as riboflavin, is a component of two enzymes: flavin mononucleotide (FMN) and flavin adenine dinucleotide (FAD). These enzymes are important in energy production, and are essential for normal fatty acid and amino acid synthesis. Because of their vital roles, cellular growth cannot take place in the absence of vitamin B-2 riboflavin.Suggested use1 tablet daily.Ingredients Source Naturals - B-2 100 mg. - 100 TabletsSupplement FactsServing Size: 1 Tablet Amount Per Serving%DVRiboflavin (vitamin B-2)100mg5,882%Calcium89mg9%Other Ingredients: dibasic calcium phosphate, stearic acid, silica, modified cellulose gum, and magnesium stearate.Suitable for vegetarians and hypoallergenic: contains no yeast, dairy, egg, gluten, corn, soy or wheat. Contains no sugar, starch, salt, preservatives, or artificial color, flavor or fragrance. Warnings If you are pregnant, may become pregnant, or breastfeeding, consult your health care professional before using this product.Do not use if either tamper-evident seal is broken or missing. Keep out of reach of children.Suitable for vegetarians and hypoallergenic: contains no yeast, dairy, egg, gluten, corn, soy or wheat. Contains no sugar, starch, salt, preservatives, or artificial color, flavor or fragrance.