What exactly are peptides?
As the most basic explanation, Peptides are short chains of amino acids that act as biological messengers, signalling cells to activate, repair, or regenerate, as Dr Maurizio Viel, plastic surgeon at Cornerstone Clinic, Dubai, explains.
Unlike supplements, which mostly provide nutrients or raw materials, peptides actively instruct the body. They send targeted signals: Repair tissue, regulate inflammation, influence metabolism, stimulate collagen or affect hormone pathways. Perhaps, this precision is what renders them so attractive. “This specificity is what makes peptide therapy a clinically credible tool in regenerative and aesthetic medicine, not a trend, but a reflection of how the body naturally communicates at a cellular level,” elaborates Dr Viel.
The peptides dominating wellness culture
Across interviews, clinicians repeatedly pointed to a handful of peptides now dominating wellness conversations online:
BPC-157: Frequently promoted for injury recovery, tendon repair, gut healing and inflammation reduction.
TB-500 (Thymosin Beta-4): Associated with wound healing, tissue repair and cellular regeneration.
GHK-Cu: A copper peptide commonly discussed in anti-ageing and skincare circles for collagen production and skin elasticity.
Ipamorelin and CJC-1295: A growth hormone-releasing peptides often promoted for muscle preservation, recovery and ageing support.
MOTS-c: An emerging peptide drawing attention for metabolic and mitochondrial health.
Selank and Semax: Peptides linked to stress regulation and cognitive function.
The promises surrounding them can sound almost futuristic: Accelerated healing, reduced inflammation, improved body composition, younger-looking skin, sharper cognition.
And according to clinicians, some of the science behind those claims is not entirely fantasy. Yet, it needs to be treated with care and a lot of nuance.
So, does the evidence actually support the hype?
When it comes to medical explanations, the answer is not always straightforward. And definitely, not the quick fix that people need.
To put it best, Dr. Vinjamoori and Dr Karima Arroud, Functional Medicine practitioner at Wellth explain, is that there is signal, but the evidence is uneven. Several peptides have shown strong results in laboratory and animal studies. BPC-157 and TB-500, for instance, have demonstrated effects related to tissue repair, collagen formation, angiogenesis and inflammation modulation in preclinical research. TB-500 also has potential in wound healing, cellular migration and inflammation control.
Why peptides became the internet’s favourite wellness obsession
As clinicians point out, people are increasingly looking for instant solutions, quick fixes for chronic inflammation, fatigue, slow recovery, visible ageing, stubborn weight gain and muscle loss. For many of these concerns, traditional medicine often feels slow to respond or offers limited short-term answers, explains Dr Arroud.
The success of GLP-1 drugs like semaglutide and tirzepatide, transformed public perception of peptide-based medicine almost overnight. “The GLP-1 drugs changed the public’s imagination, says Dr. Vinjamoori. “They showed that peptide-based therapies can produce dramatic, measurable results.”
The risks no one on TikTok talks about
The word ‘peptides’ sound harmless, or even natural for that matter. Yet, doctors warn that biologically active compounds are still biologically active compounds. “The risks are real and consistently underestimated,” says Dr. Viel.
One major issue is quality control. And, as Dr Arroud points out, the primary concern is not the concept of peptides themselves, but the context in which they are used. Many peptides sold online are not pharmaceutical grade, meaning purity, dosage and manufacturing standards may be questionable. The concerns include contaminated or mislabeled products, poor sterile technique, infection, hormone disruption, unmonitored IGF-1 changes, missed contraindications, and no clear way to measure benefit or harm, says Dr. Vinjamoori.
So, are peptides the future or just another wellness fad?
The reality is more nuanced than either side admits. Peptides are not miracle cures, but dismissing them entirely would ignore a rapidly evolving area of medicine that already includes some of the world’s most important therapies.
Doctors say the real challenge now is separating legitimate science from hype, anecdote and aggressive online marketing. “The right stance is curiosity with discipline,” says Dr. Vinjamoori. “Some of these may become important tools. The job now is to separate durable clinical signal from noise.”
For now, peptides occupy a middle ground. They do hold scientific promise, and are medically useful in some contexts, yet, uncertain in others.
Yet, all experts can agree on: They are moving the conversation around ageing, recovery and performance.
But experts agree on one final point, perhaps the least glamorous truth in the entire peptide boom. “Peptides are not magic,” says Malhotra. “They are tools. And like any powerful tool, their value depends entirely on how intelligently they are used.”
Lakshana is an entertainment and lifestyle journalist with over a decade of experience. She covers a wide range of stories—from community and health to mental health and inspiring people features.
A passionate K-pop enthusiast, she also enjoys exploring the cultural impact of music and fandoms through her writing.