Both homodimers and heterodimers bind to glucocorticoid response elements and promote the expression of target genes [186]
It is unclear what their motivation for doing so is, but it may involve commercial drug company wishes to patent certain peptides as prescription drugs
New England Journal of Medicine, 393(1), 41-54
Rare side effects of B12 shots (require medical attention) Serious reactions to B-12 shots are uncommon, but its important to be aware of them: Allergic reaction, including rash, hives, dizziness, or trouble breathing Significant swelling, pain, or warmth that worsens at the injection site Palpitations or chest discomfort Signs of drug interactions, especially if you take multiple prescription medications If you experience symptoms that feel intense, progressive, or unusual, you should contact your provider right away