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The time when you will notice significant changes in response to B12 supplementation is when you ask how long B12 takes to work
If intake is the main issue, doctors may recommend increasing B12-rich foods or using oral supplements
Evening use may be more likely to disrupt sleep, but this has not been tested in a controlled human study
Weight Management Struggling with weight management
These injections are particularly useful in people with absorption problems or restrictive diets
Vitamin B12 plays several key roles in your cat's body, including: If your cat shows changes in behaviour, such as lethargy or loss of appetite, vitamin B12 deficiency could be a factor, particularly if they also have gastrointestinal issues
