Case Rep
We are swimming in a sea of tens of thousands of chemicals that never existed before 50 years ago
Some people do not absorb B12 efficiently due to age, gastrointestinal issues, or insufficient intrinsic factor, a protein required for B12 absorption
These pharmacies operate under stringent state and federal regulations including state board of pharmacy oversight, adherence to USP (United States Pharmacopeia) standards for sterility and quality, regular inspections and compliance requirements, and documentation of every ingredient source and formulation
The pain tends to go away quite quickly, however, if you are experiencing swelling, pain, and redness at the injection spot after a few days, contact a medical professional immediately