This method is common in animal models to study systemic or localized but deeper tissue effects
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
Here are a couple of options to consider: Jackson Galaxy B12 for Cats Dietary Supplement You can use this liquid form of methylcobalamin, a non-synthetic form of the vitamin, to give your cat their daily dose of B12
This improves energy levels and reduces fatigue
This supplement is also suitable for conditions such as anaemia, Crohns disease and irritable bowel syndrome, where nutrient absorption is a concern