Authia may be a useful dietary adjunct for individuals who wish to supplement their diet with this essential B vitamin derivative. Formula Each milliliter Contains: Thiamine (TTFD) ... 50 mg Vitamin B12 .... 1000 mcg Suggested Use Adults and Children take 1/4 teaspoon (apx. 1ml) topically daily or as directed by physician. Side Effects Occasional localized rash at the site of application has been reported. No contraindications are known other than a rare sensitivity to excipients in the cream (Paraben Free)(See PDR Reference). Adverse reactions may include a "skunk-like odor" due to abnormal metabolism of the patient, which can gradually dissapear as clinical improvemnt occurs and can often be modified by taking 10mg of Biotin daily. (See Physcian's Desk Reference) How Supplied Thiamine (vitamine B1) disulfide and methyl vitamin B12 is is supplied in a 2 0z. plastic tube hat does not require refrigeration and apperas as a pink liposomal cream for topical application designed for transdermal delivery (TD) of the two vitamins. It has a mild thiol odor due to its sulfur content. It is also available as enteric coated tablets. Covered by U.S. patent Number 6,585,996.