Peptides, short chains of amino acids found naturally in the body or used synthetically, play critical roles in regulating metabolism, growth, immunity, and tissue repair.

While some peptides like insulin are medically approved, their popularity for weight loss, muscle growth, anti-ageing, and other enhancements has surged online, often through social media influencers.However, many products lack regulatory approval, posing risks such as contamination, incorrect dosages, or unknown long-term effects.

The article highlights how unregulated peptide use is growing in Australia, with users injecting substances like BPC-157 or GHK-Cu without proper oversight.

Concerns include potential health harms from improper administration, limited clinical data on safety, and the normalization of enhancement practices beyond elite sports.

Experts urge stricter surveillance, better education for healthcare providers, and targeted public information to mitigate risks while research evolves.