red urine after vitamin b12 injection shots: Uses, benefits, and side effects Discolouration of urine after B12

While the energetic effects fade after 2 to 4 weeks, vitamin B12 itself continues to be stored in the liver and can remain available for years

Busy Professionals and Frequent Travelers Many professionals work long hours, travel frequently, or have irregular schedules

Oral B12 is most effective for people who: Follow a diet that includes plants Experience mild symptoms Need daily support to stay healthy Like taking supplements at home Do not have absorption problems The American Academy of Family Physicians explains that taking B12 works well to treat mild issues and for general supplementation, provided there are no absorption problems

[Edited November 12, 2020.] VeganHealth has updated our vitamin B12 recommendations

In dogs and cats with chronic gut disease, injectable B12 is often preferred over oral forms since damaged intestinal tissue cannot reliably absorb cobalamin taken by mouth