Peptide Reference

Semaglutide

Semaglutide Peptide

A GLP-1 receptor agonist peptide that regulates appetite and blood sugar. The active pharmaceutical ingredient in Ozempic and Wegovy, also available as research peptide.

Status

approved

Category

weight loss

Typical cost

$900-1400/month (brand), $149-400/month (compounded)

Mechanism

Mimics GLP-1 hormone, stimulating insulin secretion in response to glucose, suppressing glucagon, delaying gastric emptying, and acting on hypothalamic appetite centers to reduce hunger.

Potential benefits

  • Significant weight loss
  • Improved glycemic control
  • Reduced cardiovascular risk
  • Appetite suppression
  • Better portion control
  • Sustained energy

Reported side effects

  • Nausea
  • Vomiting
  • Diarrhea
  • Constipation
  • Injection site reactions
  • Gallbladder issues
  • Pancreatitis risk

Common dosing references

subcutaneous

0.25-2.4mg · Weekly

Ongoing

Research notes

STEP 1 Trial - Semaglutide 2.4mg

2021

Average 14.9% weight loss at 68 weeks in adults with obesity

SUSTAIN 6 - Cardiovascular outcomes

2016

Significant reduction in major adverse cardiovascular events in type 2 diabetes patients

Regulatory and sourcing notes

FDA-approved (Ozempic for diabetes, Wegovy for weight loss). Also available as research peptide from compounding pharmacies (503A/503B).

Prescription required for brand (Ozempic/Wegovy). Compounded versions available during shortages. Verify 503B pharmacy accreditation.

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