sublingual vit b12 verses injection Oral vs. Intramuscular Vitamin in Vitamin B12 Deficiency • The Blood Project Amazon.com: Vitamin B12 2500mcg Shot
Description
the lyophilized powder is resistant to degradation at room temperature for up to 3 weeks during transit

Provides quick absorption via injection

Vitamin B12 injections for peripheral neuropathy and foot nerve pain in the UK

K., Yoo, H
