JVIM Torresson L (2018) Comparison of efficacy of oral and parenteral cobalamin supplementation in normalising low cobalamin concentrations in dogs: a randomised controlled study
Improper storage could lead to vitamin degradation (losing potency) or increased risk of injection site reactions (if contaminants or precipitates form), so patients and providers should take the storage guidelines seriously

Active B12: Each capsule provides 1 mg vitamin B12 as methylcobalamin, which is more efficiently used by the body compared to other forms of vitamin B12, like cyanocobalamin Heart & Brain Health: Supports a normal level of homocysteine in the body to benefit healthy cardiac function, blood cell formation, and optimal nerve function* Sleep Support: Helps maintain normal circadian rhythms to support restful sleep and supports healthy methylation processes in the body* Third-Party Certified: This product has been third-party tested and certified to verify what's in the package matches what's on the label and to confirm it contains no unsafe levels of contaminants Trusted: Thorne is trusted by 100+ professional sports teams and the #1 most recommended clinical brand by consumers and health-care practitioners (Based on a 2026 independent survey of US supplement consumers and health-care practitioners)

Animals receiving the combination therapy showed significantly lower morphological and histopathological scores, indicating better preservation of cartilage structure
In lean subjects, NNMT activity in adipose tissue tends to be low
Individuals suffering from malabsorption may find this particularly beneficial