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Dulaglutide vs Selank

A detailed comparison to help you understand the differences and choose the right peptide for your research goals.

Dulaglutide

Dulaglutide (Trulicity) is a once-weekly GLP-1 receptor agonist for type 2 diabetes. Its larger molecular size from fusion with an Fc fragment extends half-life and may reduce some GI side effects.

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Selank

Selank is a synthetic peptide derived from the naturally occurring immunomodulatory peptide tuftsin. Developed in Russia for anxiety and cognitive enhancement.

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Side-by-Side Comparison

AspectDulaglutideSelank
MechanismGLP-1 analog fused to a modified human IgG4 Fc fragment, providing extended duration of action. Activates GLP-1 receptors for glucose-dependent insulin secretion and appetite suppression.Modulates the expression of brain-derived neurotrophic factor (BDNF) and affects serotonin and norepinephrine systems. Has immunomodulatory and anxiolytic properties.
Typical DosageStart at 0.75mg once weekly, may increase to 1.5mg, 3mg, or maximum 4.5mg weekly based on glycemic response.Intranasal administration: 250-500mcg 2-3 times daily. Subcutaneous: 250-500mcg daily.
AdministrationSubcutaneous injection once weekly, any time of day, with or without food. Comes in pre-filled single-dose pens.Most commonly administered intranasally for cognitive effects. Can also be injected subcutaneously.
Side EffectsNausea, diarrhea, vomiting, abdominal pain, decreased appetite. Generally well-tolerated with gradual dose titration.Generally well-tolerated. Some users report mild fatigue or nasal irritation with intranasal use.
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Key Differences

Unique to Dulaglutide:

Unique to Selank:

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