b12 injection time frame What You Need to Know About Vitamin Vitamin B12 Injection – Prescription
Description
Oral administration subjects the peptide to gastric degradation, which is why most peptides cannot be taken orally

Does B12 Affect Iron Absorption or Utilization

Oral administration should be done on an empty stomach, preferably first thing in the morning at least 30 minutes before eating

This is an intramuscular injection to aid in the absorption of the vitamin
