High-purity peptides for Research use — fast UK delivery available.
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All products sold by Slim Pens are intended strictly for laboratory and research use. They are not for human or veterinary consumption under any circumstances.
Customers must be 18 years or older to place an order.
We reserve the right to refuse or cancel orders at our discretion.
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We ship across the UK using reliable, tracked services. Delivery times may vary based on location and product availability.
Due to the sensitive nature of our products, returns are accepted only for unopened and damaged items. Please contact us within 7 days of receiving your order.
GLP Journey is not responsible for any misuse of its products. Buyers are solely responsible for ensuring products are handled in accordance with local laws and safety standards.
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For any questions, please contact us at: info@slimpens.co.uk
Order clinically relevant, research-grade slimming pens — including Retatrutide, Semaglutide, and Tirzepatide — trusted by over 100 UK researchers.