Pen99.6% purity
Adaptog Pen
40mg
A high-strength Retatrutide research pen supplied for controlled laboratory research.
£120
Research use onlyBuilt for the
Built for the
big dawgs.
Pharmaceutical-quality peptides with transparent batch documentation. For laboratory and research use only.
Support email
Bigdawgsupplements@icloud.com - replies within 24 hours.
Testing & purity
Independent third-party testing on every batch we publish.
Shipping
£10 tracked Special Delivery. Free delivery on orders over £150.
What are peptides?
Peptides are short chains of amino acids - the same building blocks that make up proteins - which act as signalling molecules in biological systems. Because each sequence binds to specific receptors, they are widely studied in laboratory settings for areas such as tissue repair and recovery, metabolic and body composition research, skin and collagen studies, and pigmentation pathways.
Everything we supply is intended for laboratory and research use only. Our products are not medicines and are not for human or veterinary consumption.
Shop the range
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Big Dawg Glow
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The Glow Pen is a pre-filled research device combining the regenerative peptides GHK-Cu, BPC-157, and TB-500 into a single dispensing unit.
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5-Amino-1MQ
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5-Amino-1MQ works by blocking an enzyme called NNMT, which acts as a metabolic "brake" in fat and muscle tissue. By removing this brake, the compound alters cellular energy expenditure. Supplied strictly for laboratory research.
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Reviews
150+ reviews averaging 4.9 out of 5 stars
Arrived next day, properly sealed
First order with Big Dawg. The box turned up next morning and everything was vacuum-sealed with the batch labels intact. Lab report QR scanned clean.
Marcus T. · LiverpoolRetatrutide Pen
WhatsApp reply was quick
Messaged them about shipping and got a straight answer in under an hour. No copy-paste fluff, just helpful. Made the order easy.
Ryan O. · Newcastle
Quality stayed the same
Fourth order now and the consistency is spot on. No drop-off between batches. Only reason it's 4 stars is I'd like to see more bundle options.
Olivia N. · NottinghamBPC-157
Mobile checkout easy
Ordered on my phone during my commute. Four taps and done. Tracking landed in my inbox the same evening and the parcel arrived the next day.
Hassan A. · Sheffield
FAQ
All products are for research use only. They are not intended for human consumption, medical treatment or diagnostic use.