“Peptide” is one of those words that has jumped from research labs into everyday conversation — but what actually is a peptide, and why has it become such a talking point in functional and longevity medicine? Here is a plain-language guide.
What a peptide is
Peptides are short chains of amino acids — the same building blocks that make up proteins, just far smaller. Your body already makes thousands of them. Many act as signalling molecules: tiny messengers that tell cells what to do — repair this tissue, calm that inflammation, release this hormone. Because they are so specific, therapeutic peptides can be used to nudge particular processes in the body.
How functional medicine uses them
In a functional-medicine setting, peptides are never a stand-alone “fix”. They are one tool within a plan that starts with understanding the root cause of your symptoms. Broadly, the peptides used fall into a few families:
- Recovery & repair — peptides studied for supporting the healing of muscle, tendon, gut and other tissue.
- Metabolism & weight — peptides explored for body composition and metabolic health.
- Longevity & cellular health — peptides of interest in the science of healthy ageing.
- Cognition & mood — peptides studied for focus, calm and neuroprotection.
You can see the full range on our Peptides & Services page.
How the process works
Peptides are prescription items. At SwissMedic the journey always begins with a consultation (R450), where we discuss your concerns, recommend appropriate tests, and only then consider whether a particular peptide fits your goals. If prescribed, your peptides are compounded by a SAHPRA-regulated pharmacy and delivered to your door using cold-chain methods that protect them in transit.
The goal is never “a peptide for everything” — it is the right, considered plan for you.
Is peptide therapy right for me?
That is exactly the question a consultation is designed to answer. Peptides can be a powerful part of a plan for the right person, at the right time, for the right reason — and unnecessary for someone else. The only way to know is a proper clinical conversation.
Peptide descriptions here reflect areas of ongoing research and are for general education only; they are not medical claims. Always consult a qualified healthcare provider before starting any new therapy.