Check the listing for details. Best Naturals B-100 Complex Tablets, 120 Count. Condition: New. Listed at 15.99 USD. Our B Complex is Time Released which design for 100% daily value of Core B vitaminsThe formula provides a combination of all eight essential B vitamins (thiamin, riboflavin, niacin, pantothenic acid, vitamin B-6, biotin, folic acid, and vitamin B-12) and vitamin C that work together to help your body produce cellular energySupports Normal Function of the Nervous System, Energy Production, Essential for Proper Red Blood Cell FormationNo Artificial Color, Flavor or Sweetener, No Preservatives, No Sugar, No Starch, No Corn, No Soy, No Egg, No Lactose, No Gluten, No Wheat, No Yeast, No Fish, No Sodium.TOP QUALITY GMP CERTIFIED PRODUCTS - All Best Naturals products are manufactured in accordance with Good Manufacturing Practices (GMP), among the highest standards in the world - Proudly Made in USA - Purity & Potency GuaranteedDuring the summer months products may arrive warm but Amazon stores and ships products in accordance with manufacturers' recommendations, when provided. The B vitamins are a family of eight unique vitamins that play several important individual and collective roles in your body. One of their key functions is to support the production of cellular energy from the foods you eat. When you consume a meal, all eight B vitamins are required for the metabolic processes that convert the carbohydrates, proteins and fats that you eat into cellular energy. This cellular energy is used to fuel your body’s many chemical reactions. Vitamin C is also required for cellular energy production from the fats that you eat.