Excipient

An inactive substance added to a peptide formulation to serve as a bulking agent, stabilizer, or processing aid.

Reference / Full Definition

Handling & Storage

An excipient is a pharmacologically inactive ingredient added to a formulation for a specific purpose. In lyophilized peptide preparations, common excipients include mannitol (bulking agent to improve cake structure), trehalose (cryoprotectant to prevent freeze-damage), and phosphate buffers (pH stabilization).

Excipients increase the total powder mass in a vial beyond the peptide content alone, contributing to the difference between gross weight and net peptide content. For small-quantity peptides (1-5mg), excipients may be necessary to form a visible, handleable lyophilized cake.

All Healthy Aminos products are for research use only.

Cross-Reference / Related Products

Bpc 157 Semaglutide

Cross-Reference / Related Terms

LyophilizationFreeze-drying — a dehydration process that removes water from a frozen peptide solution under vacuum, producing a stable dry powder.Net Peptide ContentThe percentage of gross powder weight that is actual peptide, accounting for water, counter-ions, and residual solvents.VialA small sealed glass or plastic container used to store lyophilized peptide powder, typically with a rubber septum and aluminum crimp cap.

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Research Use Only

FOR RESEARCH USE ONLY. Products sold by Healthy Aminos are intended strictly for in-vitro research and laboratory use. Not for human or animal consumption. Not FDA approved. By purchasing from Healthy Aminos, the buyer acknowledges that these products are not intended to diagnose, treat, cure, or prevent any disease. All products are sold as reference standards and research chemicals only.