I would advise that they must be stored in the dark
61:104-108 Masayuki Ikeda, Makoto Asai, Takahiro Moriya, Masami Sagara, Shojiro Inou, Shigenobu Shibata, Methylcobalamin amplifies melatonin-induced circadian phase shifts by facilitation of melatonin synthesis in the rat pineal gland, Brain Research, Volume 795, Issues 12, 8 June 1998, Pages 98-104, ISSN 0006-8993, Carmen Wheatley Cobalamin in inflammation III glutathionylcobalamin and methylcobalamin/adenosylcobalamin coenzymes: the sword in the stone
Klow vs Glow: Whats the Difference
Laboratories often review this documentation before beginning experiments to ensure compliance with internal standards
There are also no official human dosing guidelines although we do make recommendations based on the anecdotal data
Both iron and B12 are critical for thyroid hormone production and should be monitored regularly