Rena-Vite Tablets, 100 Tablets Per Bottle (3 Bottles). Dietary supplement. B vitamins include thiamine, riboflavin, niacin/niacinamide, vitamin B6, vitamin B12, folic acid, and pantothenic acid. A combination of essential B vitamins thiamin, riboflavin, niacin, B6, and pantothenic acid help convert the food you eat into cellular energy. Directions: Adults: Take 1 tablet daily. Warnings & Safety Information: Do not use it if the imprinted safety seal under the cap is broken or missing. Consult a healthcare provider prior to use if: Pregnant, nursing, on medications, have a medical condition, or are planning a medical procedure. Stop use and consult your doctor if any adverse reactions occur. Keep out of reach of children. Other Information: Store at room temperature. Avoid excessive heat.