vitamin b12 injection vs tablet Oral vs. Intramuscular in Vitamin B12 Deficiency • The Blood Project Vitamin B12 Tablets vs Injection
Description
Consulting with your healthcare provider ensures your specific health needs are met

doi: 10.1111/papr.12328

Other conditions such as intestinal overgrowth (known as SIBO), which is also incredibly common among hypothyroid patients (2), can reduce B12 absorption in the GI tract

Injection site reactions are localized, which means the side effect is limited to the area around the injection, not your whole body
