Free UK Delivery on orders over £75 Free UK dispatch over £75 • Secure SSL checkout • ≥99% purity, third-party tested
Zentra Labs
Knowledge Base

Frequently Asked Questions

Find quick answers to the most common questions about our research peptides, ordering process, and delivery.

Products & Research

Research peptides are short chains of amino acids used exclusively in laboratory and scientific research settings. They are not intended for human consumption or therapeutic use.

All our peptides are independently verified to ≥99% purity by HPLC analysis. A full Certificate of Analysis (CoA) is included with every order.

Lyophilised (freeze-dried) peptides should be stored at −20°C in a dry, dark environment. Once reconstituted, store at 4°C and use within 30 days for optimal stability.

Yes. Contact our team directly at info@zentralabs.co.uk for institutional pricing and bulk order enquiries.

Orders & Shipping

Orders placed before 2pm GMT on working days are dispatched the same day via Royal Mail Tracked 24 or overnight courier.

We currently ship within the UK. International shipping to select research institutions is available — please contact us to discuss your requirements.

All orders are packed in discreet, temperature-appropriate packaging with cold-chain protection to ensure product integrity during transit.

We offer a 30-day research return policy for unopened, undamaged products. Please contact our team before returning any item.

Account & Compliance

Our products are sold exclusively to qualified researchers, scientists, and academic institutions. All customers must confirm they are 18+ and that products are for research use only.

Your CoA is included in your shipment and is also available from your account dashboard under "My Orders". You can also request a copy by contacting our support team.

Yes. All data is handled in accordance with GDPR. We use 256-bit SSL encryption for all transactions and never sell your data to third parties.

Our team is available Monday–Friday, 9am–5pm GMT. Reach us by email at info@zentralabs.co.uk, by phone, or via WhatsApp chat.

Still have a question?

Our research team is here to help. Reach out and we'll get back to you within 2 hours during business hours.

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