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All products are intended for research and educational purposes only. Not for human consumption.
Peptide Pen Needle Tips (4mm) (Pack of 10)
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Autopen tips 4mm 32g are ultra-fine, sterile pen needles. With a 4mm length and 31g gauge, they ensure precise and virtually painless, providing convenience and comfort.
Triple sharpened bevelled edged needle tip designed to reduce penetration force.
Needle body and tip are electro-polished to remove small blemishes and rough spots to support a smooth penetration.
Silicone lubricant for smooth gliding and less friction.
Thin wall technology allows fluid flow more freely and requires less force.
Compatible with most major brands of injection pens, including Novo Nordisk, Sanofi, Eli Lily and Owen Mumford.
Needle shields are coloured for easy recognition
Everything you need alongside your peptides.
From order to research in four simple steps.
Choose from 30+ research peptides, all independently tested at 99%+ purity. Select your quantity and checkout securely.
Orders placed before 2pm are dispatched same day via Royal Mail Tracked 24 in discreet packaging.
Dissolve the lyophilised powder with bacteriostatic water following our reconstitution guide. Store at 2–8°C for up to 6 weeks.
Every product has a Certificate of Analysis. Use our dosage calculator and educational guides to support your research protocols.
Every batch manufactured to pharmaceutical-grade standards with a minimum 99% purity verified by independent third-party HPLC analysis.
Independent laboratory testing via HPLC and mass spectrometry confirms identity and purity. No in-house-only testing — fully transparent.
Certificates of analysis available for every product. Full batch documentation available online for verification before you buy.
Orders placed before 2pm will dispatch same day in discrete packaging via Royal Mail Tracked 24
Everything you need to get the most from your peptides.
Every batch is independently tested by a third-party laboratory using HPLC (High-Performance Liquid Chromatography) and mass spectrometry. Our peptides consistently achieve ≥99% purity. Full Certificates of Analysis are available for every product.
Reconstitute with bacteriostatic water by slowly adding it down the inner wall of the vial, then gently swirling (never shaking). For step-by-step instructions with video, see our Reconstitution Guide. Use the Dosage Calculator to determine the correct volume.
Every order includes the lyophilised vial(s). You will need to add bacteriostatic water and any accessories necessary. Check out our bundles that include accessories.
Store lyophilised (unopened) peptides at -20°C for long-term storage or 2–8°C if reconstituting within a few weeks. Once reconstituted with bacteriostatic water, store at 2–8°C and use within 4–6 weeks. Keep away from direct light and avoid freeze-thaw cycles. See our storage guide for more detail. See product pages for peptide specific storage recommendations.
Due to the sensitive and perishable nature of our products, we do not accept returns.
Refunds or replacements will only be issued in the event of:
(Must notify us within 48 hours with photos).
Email support@regenpeptides.co.uk for more information.
See our refund policy for more details.
