mycobacterium abscessus from b12 injections subspecies abscessus infection associated with cosmetic surgical procedures: Case series Mycobacterium abscessus infection associated with
Description
Constipation is not listed as a recognised side effect in UK product information for vitamin B12 supplements or injections

Hands down the best around

Blood loss through heavy menstrual periods, surgical procedures, gastrointestinal bleeding, or injury can rapidly deplete iron stores and reduce hemoglobin

But then, BAM

Avoid touching the powder directly and use clean implements for handling

Consistency matters more than the exact hour honestly
