Benefits of B12 Shots Although B12 supplements may be beneficial when you don't think you're getting adequate amounts through diet, some serious health issues can require quicker results, so vitamin B12 shots may be suggested to help with the following: Reduce cognitive decline and depression
Avoids Serious Complications In patients with severe anaemia, intensive treatment with B12 may result in a sudden drop in potassium (hypokalaemia), which can cause muscle weakness or an irregular heartbeat
It matters more than most people realize
The BUD is the date or time after which the preparation should not be used
A randomized controlled trial in 167 older adults (50 years) found two-year supplementation with vitamin B 12 (10 g/day), along with folic acid (200 g/day), vitamin B6 (10 mg/day), riboflavin (5 mg/day), and vitamin D (10 g/day), had no effect on bone mineral density (total hip, femoral neck, or lumbar spine) compared to the control group only receiving vitamin D (10 g/day ) (116)
For patients whose deficiency is severe or accompanied by broader nutritional gaps, an IV infusion may offer advantages that a single-nutrient shot cannot match