vitamin b12 5000 mcg injection B-12 Injection, 1,000 mcg/mL at Tractor Supply Co Solgar Sub B-12 5000 Mg

What precautions should pregnant and lactating women take with vitamin B12 supplementation

Side Effects and Risks The most common tesamorelin side effects are injection-site reactions, joint pain, muscle pain, swelling, and redness (FDA, 2025)

People who are deficient in vitamin B12 are often prescribed B12 shots

Responsible short-term use under medical supervision carries low risk, but misuse or prolonged use can lead to tolerance, psychological dependence, and withdrawal symptoms

or collapse

For adults over 65, no dose adjustment is required, but careful monitoring for adverse effects is prudent as older adults often have multiple comorbidities and medications that increase complication risk