Vitamin Maker to Offer Stock: Leiner Health Products Group Inc., a Torrance manufacturer of vitamins and non-prescription drugs, plans to raise up to $45.5 million in an initial public stock offering, according to a federal filing. Leiner said in the Securities and Exchange Commission filing that it plans to sell 3.3 million shares. The firm did not list an expected initial price range for its stock, but it proposed a maximum price of $15 a share for registration purposes. Leiner is a private-label manufacturer of over-the-counter drugs such as analgesics, cough and cold remedies and digestive aids. It posted an operating profit of $7.5 million for the nine months ended Dec. 31, on sales of $209.8 million. Underwriters for the offering are Merrill Lynch & Co., Lazard Freres & Co. and Lehman Bros.