Peptide Therapy | 13 Mar 2026

Source: TH 

The growing global interest in peptide-based therapies for treating diseases and enhancing wellness has raised both medical opportunities and safety concerns, prompting experts to call for greater caution and regulation. 

• Peptides:  They are short chains of amino acids, which are the fundamental building blocks of life.  
  • They are essentially smaller versions of proteins. While proteins typically consist of 50 or more amino acids folded into complex 3D shapes, peptides usually contain between 2 and 50 amino acids. 
• Biological Role: In the human body, naturally occurring peptides act as crucial signaling molecules.  
  • They function as hormones, neurotransmitters, and local regulators, instructing cells on how to behave regarding metabolism, immune response, and tissue repair. 
• Peptide Therapy:  It uses synthetic or naturally derived peptides as medicines that mimic the body’s natural signaling molecules.  
  • These peptides bind to specific cell receptors in a “lock-and-key” mechanism, triggering targeted biological responses with fewer side effects compared to conventional drugs.  
  • Since peptides are easily broken down by digestive enzymes, most peptide therapies are administered through subcutaneous injections rather than oral tablets. 
• Major Clinical Applications: Peptide-based medicines are increasingly used to treat conditions like diabetes, cancer, infertility, growth disorders, and hormonal diseases. 
  • A major example is GLP-1–based peptide drugs, widely used to regulate blood sugar and appetite in diabetes and obesity treatment. 
  • In oncology, peptides can target tumour receptors or deliver drugs directly to cancer cells, improving treatment precision. 
  • In regenerative medicine, peptides are being studied for tissue repair in muscles, nerves, and tendons. 
  • Peptides are also being explored in dermatology, wound healing, osteoporosis, cardiovascular diseases, and viral infections. 
• The Danger of Misuse: Driven by trends in biohacking and anti-ageing, many people are self-injecting unapproved "research chemicals" bought online.  
  • Since these lack human clinical trials, they pose serious threats, including endocrine imbalances, metabolic disturbances, and severe cardiovascular risks.