Peptas shop has been supplying high-purity research peptides for many years, making us one of the longest-running suppliers. Since 2017, we’ve worked with more than 50,000 clients-from research organisations and universities to individual researchers-across the USA and Europe.
15
YEARS ESTABLISHED
211,000
CLIENTS WORLDWIDE
≥98%
PURITY GUARANTEE
Why choose us?
Reliable Quality
Every peptide is manufactured exclusively for us in a dedicated facility, meeting ≥98% purity with full quality verification at our compounding partner’s laboratory.
Fast Service
Orders placed before 4:00 pm GMT are dispatched the same day, with most UK deliveries arriving the next working day via Royal Mail Special Delivery.
Temperature-Controlled Storage
All products are kept in walk-in cold rooms and laboratory-grade fridges to maintain integrity from receipt to dispatch.
Experienced Support
Our team understands both the products and the research industry, so you get clear, knowledgeable responses when you need them.
Fair Pricing
We keep prices competitive without compromising on quality or compliance, offering transparent pricing with no hidden costs.
Strict Compliance
We maintain full regulatory compliance at all times, protecting both our clients and our business through rigorous processes.
Professional Cold Storage Facilities
Maintaining peptide integrity from arrival to dispatch through our laboratory-grade cold chain infrastructure
Why proper cold storage matters
Research peptides are sensitive biological compounds that require precise temperature control to maintain their structural integrity and purity. Even brief exposure to incorrect temperatures can degrade peptides, affecting their quality and reliability for research applications.
That’s why we’ve invested in professional-grade cold storage infrastructure- the same standard used by research institutions and laboratories worldwide.

Our three-stage cold chain process

Arrival & Deep Freeze Storage
Fresh peptides arrive from our manufacturing partner and are immediately transferred to our RIVACOLD walk-in freezer unit, maintaining consistent deep-freeze temperatures for long-term stability.

Controlled Thawing Protocol
When orders are placed, peptides are carefully moved from deep freeze to our controlled-temperature fridges using a gradual thawing protocol. This prevents thermal shock that could compromise peptide structure.

Pre-Dispatch Holding
Products are held at optimal temperatures in our professional glass-door fridges until dispatch, ensuring they remain under controlled conditions right up to the point of packing and shipment. For additional transit protection, insulated shipping cases are available as an optional extra at checkout.