§ Comparison

Retatrutide vs Semaglutide

Side-by-side price comparison across every tracked vendor. Updated every 4–6 hours.

Retatrutide
14
vendors tracked
from $2.90/mg
Semaglutide
9
vendors tracked
from $1.95/mg
◎ Cheapest $/mg:Semaglutide at $1.95/mg

Retatrutide

Triple GCG/GIP/GLP-1 agonist

Operational
$29.00
$2.90/mg
In stockOn sale
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Operational
$54.50
$5.45/mg
In stock87.9% vs best
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Operational
$78.00
$7.80/mg
Out of stock169.0% vs best
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Operational
$79.00
$7.90/mg
In stock172.4% vs best
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$103.99
$10.40/mg
In stock258.6% vs best
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Operational
$107.25
$10.72/mg
In stock269.8% vs best
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Operational
$109.00
$10.90/mg
In stock275.9% vs best
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$109.00
$10.90/mg
In stock275.9% vs best
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Operational
$109.99
$11.00/mg
Out of stock279.3% vs best
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$129.99
$13.00/mg
Out of stock348.2% vs best
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$188.99
$18.90/mg
In stock551.7% vs best
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Sort:
2026-05-04

Semaglutide

GLP-1 agonist for metabolic research

Operational
$56.99
$11.40/mg
In stock◎ Best $/mg
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Operational
$69.00
$13.80/mg
In stock21.1% vs best
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$69.00
$13.80/mg
In stock21.1% vs best
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$107.99
$21.60/mg
Out of stock89.5% vs best
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Sort:
2026-05-04

About Retatrutide

An investigational triple-agonist targeting GLP-1, GIP, and glucagon receptors. Phase 3 clinical trials for obesity are ongoing; research-compound version is sold via research-chemical vendors.

About Semaglutide

A once-weekly GLP-1 receptor agonist studied for glycemic control and weight loss. Approved as a prescription drug in many jurisdictions; research-peptide vendors supply the compound for laboratory use.