Older people are also at risk because they are more likely to have problems absorbing B12
There is no established tolerable upper intake level (UL), so even high-dose injections are safe because your system simply eliminates what it cannot use
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
Support for Nerve Health and Neuropathy Methylcobalamin is especially beneficial for those dealing with neuropathy, nerve damage that can cause tingling, numbness, or pain
Store B12 injections in the refrigerator
Unlike B12 deficiency, which produces recognisable neurological and haematological symptoms, excess vitamin B12 typically remains asymptomatic and is discovered incidentally during routine blood tests