191 amino acid recombinant human growth hormone for GH axis research.
$129.00
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>99.0%
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Synthesized to >99% purity thresholds, rigorously verified via HPLC.
Formulated, tested, and fulfilled exclusively within the United States.
Vacuum-sealed and stabilized to preserve molecular integrity during transit.
Independent mass-spectrometry and Certificates of Analysis for every batch.
Everything you need to know about our synthesis process, laboratory verification protocols, and research utility.
All compounds are produced via solid-phase peptide synthesis (SPPS) by partner facilities specializing in research-grade peptide production. Each batch undergoes independent third-party HPLC and LC-MS verification before release, with chain-of-custody documentation maintained from synthesis through fulfillment. Manufacturing source and applicable certifications are disclosed on each batch-specific CoA.
Due to the nature of research compounds, all sales are final once a vial seal is broken. Unopened products may be returned within 14 days of delivery for a full refund, less return shipping. If a shipment arrives damaged, mislabeled, or with a discrepancy against the listed CoA, contact research@calibratedlabs.com within 72 hours of delivery for a no-cost replacement.
Every product ships with a batch-specific CoA documenting purity (HPLC), mass verification (LC-MS), and test date. CoAs are also accessible through the Calibrated Labs research portal, indexed by the batch number printed on each vial. Historical CoAs remain available for cross-referencing and audit purposes.
All orders ship via expedited courier (FedEx or UPS, 2-day domestic standard). Each shipment includes the compound, the batch-matched Certificate of Analysis, and storage documentation. Tracking is delivered via email within 24 hours of dispatch. International shipping is available to select jurisdictions; restricted regions are listed at checkout.
Lyophilized peptides should be stored at -20°C for long-term stability and remain viable for 24+ months when sealed. Once reconstituted, vials must be refrigerated at 2–8°C and used within the window noted on the product’s CoA. Avoid repeated freeze-thaw cycles and exposure to direct light. Compound-specific handling guidance is included in the documentation portal.
Premium research-grade peptides engineered for precision and molecular stability. Tested and verified for absolute purity.
Featured Collection – Premium purity compounds crafted with consistency, precision, and quality in mind.
