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Semaglutide 3mg

$44.99

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≥98% Purity
Semaglutide 3mg

Buy Semaglutide 3mg

GLP-1 receptor agonist (31-amino acid lipidated peptide)

GLP-1 receptor agonist — the active compound in Ozempic and Wegovy. The most clinically validated weight-loss peptide.

$44.99 In Stock — Ships Same Week
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≥98% Purity
HPLC Verified
Free Shipping
Orders $200+
30-Day Returns
Unopened Vials

Specifications

Chemical
GLP-1 receptor agonist (31-amino acid lipidated peptide)
CAS Number
910463-68-2
Purity
≥98% HPLC verified
Form
Lyophilized powder
SKU
PG-1117

Why Buy Semaglutide 3mg from Peptide Scientists

Semaglutide is the most clinically studied GLP-1 agonist with years of post-approval safety data. Buying it as a research peptide gives you the same molecule found in Ozempic and Wegovy — at a fraction of pharmacy pricing.

Our Semaglutide is sourced from Phiogen with ≥98% HPLC verification. Lyophilized powder ships with full QC documentation.

The 3mg vial is the entry format — ideal for first-time buyers wanting to test tolerability before committing to larger supply. We also offer 6mg, 12mg, 20mg, and 30mg vials.

Key Features

  • Active compound in Ozempic, Wegovy, and Rybelsus
  • Most clinically validated GLP-1 agonist
  • −14.9% body weight at 68 weeks (STEP-1 trial)
  • 20% MACE reduction in SELECT cardiovascular trial
  • ≥98% HPLC verified, free US shipping over $200

Frequently Asked Questions

Is this the same Semaglutide as Ozempic?
Yes — Semaglutide is the active pharmaceutical ingredient in Ozempic, Wegovy, and Rybelsus. We sell it as a research peptide for laboratory use. The molecule is identical.
Should I buy Semaglutide or Tirzepatide?
Tirzepatide produces greater weight loss (−22.5% vs −14.9% in trials) due to dual GLP-1/GIP agonism. Semaglutide has more years of safety data and is the cheaper entry point. Both are valid research targets.
Why is the 3mg vial so much cheaper?
It's the smallest format — the cost-effective starter for first-time Semaglutide buyers. Larger vials (12mg, 20mg, 30mg) offer better per-mg pricing for extended research protocols.
How long does the 3mg vial last?
At the STEP-1 maintenance dose of 2.4mg/week, the 3mg vial covers ~1 week. At lower starter doses (0.25-1mg/week), it covers 3-12 weeks. Standard escalation starts at 0.25mg/week.

Laboratory Use Only. This product is sold for in-vitro laboratory research. Not for human consumption, injection, or therapeutic application. Consult applicable regulations in your jurisdiction.