Semaglutide: Research Profile, Dosages & Supplier Prices

GLP-1 agonist · Lyophilized vial (research); pre-filled pens (pharmaceutical) · Also known as: Ozempic (brand), Wegovy (brand), Rybelsus (brand)

Semaglutide is a glp-1 agonist compound with a molecular weight of 4113.6 g/mol and a research half-life of approximately 7 days (165-184 hours) in published human pharmacokinetic data. Semaglutide is a GLP-1 receptor agonist peptide and one of the most researched metabolic compounds in history. It is the active ingredient in the FDA-approved drugs Ozempic, Wegovy, and Rybelsus. In the research chemical market, lyophilized semaglutide is sold strictly for laboratory research use.

Research Use Only (RUO). Not for human or veterinary use. Not medical advice.

Sequence	Modified GLP-1(7-37) with Aib8, Arg34, and C18 fatty diacid chain at Lys26
Formula	C187H291N45O59
Mol. weight	4113.6 g/mol
Half-life	Approximately 7 days (165-184 hours) in published human pharmacokinetic data
Forms sold	Lyophilized vial (research); pre-filled pens (pharmaceutical)

What is Semaglutide?

The published clinical trial program (STEP, SUSTAIN, SELECT) documented substantial weight reduction and glycemic effects in human subjects, which is why semaglutide dominates search demand in the peptide space. Research interest spans GLP-1 receptor pharmacology, metabolic signaling, appetite regulation pathways, and cardiovascular outcome mechanisms.

Because of enormous demand, semaglutide is the most counterfeited peptide in the RUO market. Third-party COAs with mass spectrometry confirming the 4113.6 g/mol molecular weight are essential - underdosed and mislabeled semaglutide is rampant among low-quality vendors.

Mechanism of Action (Research Context)

GLP-1 receptor agonist: enhances glucose-dependent insulin secretion, slows gastric emptying, and acts on hypothalamic appetite centers in research models. The C18 fatty acid side chain enables albumin binding and week-long half-life.

Research Areas

Metabolic signaling researchGLP-1 receptor pharmacologyAppetite regulation pathwaysGlycemic control mechanismsCardiovascular outcome research

Semaglutide Dosages in Research

2mg5mg10mg

Published clinical research used once-weekly subcutaneous doses titrated from 0.25mg up to 2.4mg in human trials. Research vials are commonly 2mg, 5mg, and 10mg. Laboratory research use only - not for human consumption.

Dosage information is a summary of published laboratory research and is provided for informational purposes only. These compounds are not for human use.

Storage & Handling

Lyophilized: -20C. Reconstituted: 2-8C, use within 30 days. Do not freeze after reconstitution.

Semaglutide Supplier Price Comparison

Supplier	Product	Price	Score
Buy Peptides	GLP-1 Semaglutide (1 Vial)	$64.99	★ 2.3

Semaglutide FAQ

The molecule is the same, but research semaglutide is sold as a lyophilized powder strictly for laboratory use (RUO) and is not manufactured, tested, or approved to pharmaceutical standards. Ozempic is an FDA-approved drug product.

Demand a batch-specific third-party COA with HPLC purity (98%+) and mass spectrometry confirming 4113.6 g/mol. Be suspicious of prices far below market - synthesis of a 31-amino-acid fatty-acid-modified peptide has a real floor cost.

Semaglutide is a longer, more complex molecule (31 amino acids plus a fatty diacid side chain) that is significantly harder and more expensive to synthesize and purify than short peptides like BPC-157.

Age & Use Verification