While the data suggests a correlation between weight loss and higher B12 levels, the larger consensus is that there could have been other potential factors involved so the results remain inconclusive
The 12.5 mg pen is blue
Absorption: Poor Absorption Due To GI Diseases-Picture Courtesy: Pet Talks For oral absorption, two things are required, healthy intestine and intrinsic factor
In Conclusion Although there are no serious side effects of Vitamin B12 shots, you must still carefully monitor your symptoms after injection
If you take a high dose (1,000 mcg), your body absorbs only about 1% of it (NIH-a, 2021)
S., Alothaid, H., Bantun, F., Alhazmi, A., Hakamy, A., Kaabi, Y