These effects can include: abdominal pain chest pain cough dizziness eye pain irregular heartbeat ringing in the ears weight gain While some of these effects are merely uncomfortable, others are cause for concern
Given the activation of receptors as the only direct action of a neurotransmitter, beta-endorphin is a relatively well-known example of a peptide neurotransmitter primary transmitter at a synapse having highly specific interactions with opioid receptors in the central nervous system [34,35]
They have gained popularity because they are often discussed as repair peptides, used for tendon or ligament irritation, joint pain, slow recovery from injuries, gut inflammation, and general inflammation
Injection sites can be local (near injury) or systemic (abdominal or thigh)
Calprotectin, for example, can help separate IBS from IBD
How long should someone think about using these peptides