GLP-3 RTA (Triple G) is a triple incretin receptor agonist simultaneously targeting glucagon like peptide 1 (GLP-1), glucose dependent insulinotropic polypeptide (GIP), and glucagon receptors. The most advanced incretin based research compound in CSD’s metabolic peptide range. F40 Biotech’s 16mg adjustable dose pen delivers this triple receptor agonist in a lower concentration adjustable pen presentation compared to the 40mg adjustable dose pen variant, providing researchers with a more accessible entry point into triple incretin agonist pen format research or a practical option for shorter duration protocols and initial dose response characterization at lower concentration points. The 16mg and 40mg adjustable dose pen presentations serve distinct research purposes within CSD’s GLP-3 RTA pen range. The 16mg format supports initial titration research at the lower end of the triple incretin agonist concentration spectrum. Its particularly relevant for dose escalation protocols that begin at conservative administration levels before progressing to higher concentration points. The adjustable dose mechanism shared across both pen presentations allows researchers to dial precise dose increments without reconstitution preparation, combining the titration flexibility typically associated with lyophilized vial formats with the administration convenience of a ready to use pen system. CSD’s GLP-3 RTA range now spans the most comprehensive incretin agonist format and concentration selection in our catalogue: lyophilized vials at 20mg, 30mg, 40mg, 50mg, and 60mg across Hudson Science and iLab Pharma, the Hudson Science 10mg 5 pack, and adjustable dose pens at 16mg and 40mg from F40 Biotech. The 16mg pen occupies the lowest concentration position in the adjustable pen format tier. It gives researchers a complete dose escalation pathway from initial low concentration pen evaluation through to extended high concentration vial protocols entirely within the GLP-3 RTA compound family from a single verified Canadian supplier. F40 Biotech formulations are stocked by Canada Steroid Depot following the same rigorous third party lab verification process applied to every product in our range. Each batch is tested for concentration accuracy and purity before being made available, with COA documentation available on request. CSD’s sourcing standards apply uniformly across all manufacturers we carry, and F40 Biotech’s GLP-3 RTA 16mg pen meets those standards consistently. All orders ship discreetly across Canada in plain, unmarked packaging with no identifying information on the exterior. Store at 2–8°C away from direct light. Do not freeze. Keep upright. Intended for research purposes only. Commonly researched alongside dual incretin agonist compounds and Semaglutide in comparative receptor pathway and metabolic activity studies. Browse CSD’s full peptide range for complete sourcing.