why do people get vitamin b12 injections Injection Vitamin B12 Injections and Weight

A 2025 meta-analysis of 16 studies involving 6,098 participants found no statistically significant difference between intramuscular, oral, and sublingual B12 supplementation routes (p=0.270)

Other claims Recently, vitamin B12 injections and infusions have become popular among healthy people who dont appear to have a deficiency

43 Serum homocysteine is less specific for B 12 deficiency, and can also be elevated in folate deficiency, vitamin B 6 deficiency, vitamin B 2 deficiency, and impaired renal function, hypothyroidism, and by certain medications

I feel great

NNMT inhibition may influence epigenetic programming in metabolic tissues

In those cases, B12 injections may help support energy levels and overall well-being while patients work toward their weight loss goals