Highly Purified Peptides
At Regentide, we specialize in ultra-pure peptides, proteins, and amino acid derivatives for scientific development. Using advanced synthesis methods and rigorous testing—HPLC and Mass Spectrometry—we ensure peptides exceed 99% purity and deliver unmatched accuracy, identity, and stability for your research needs.

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Best Sellers
Our most popular research peptides, trusted by thousands.
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- Sale!
- Peptides
GLOW Blend
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$194.99Original price was: $194.99.$164.99Current price is: $164.99. - Add to cart
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- Sale!
- Peptides
Cagrilintide 5mg
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$170.00Original price was: $170.00.$144.99Current price is: $144.99. - Add to cart
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- Sale!
- Peptides
NAD+ 500mg
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$149.99Original price was: $149.99.$112.99Current price is: $112.99. - Add to cart
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- Sale!
- GLP-1, Peptides
Tirzepatide 30mg
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$350.00Original price was: $350.00.$220.00Current price is: $220.00. - Add to cart
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- Sale!
- GLP-1, Peptides
Retatrutide 10mg
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$199.99Original price was: $199.99.$129.99Current price is: $129.99. - Add to cart
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- Sale!
- GLP-1, Peptides
Tirzepatide 10mg
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$174.99Original price was: $174.99.$154.99Current price is: $154.99. - Add to cart
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- Sale!
- GLP-1, Peptides
Semaglutide 5mg
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$99.99Original price was: $99.99.$79.99Current price is: $79.99. - Add to cart
Tirzepatide vs. Semaglutide vs. Retatrutide: How They Differ in Action
Tirzepatide, Semaglutide, and Retatrutide are synthetic peptide agonists utilized in molecular and pharmacological research to investigate incretin receptor-mediated signal transduction:
Semaglutide is a GLP-1R-selective agonist that facilitates studies on cAMP-mediated pathways, intracellular insulinotropic signaling, and receptor desensitization dynamics in endocrine model systems.
Tirzepatide exhibits dual agonism at GLP-1R and GIPR, supporting experimental evaluation of receptor co-activation, downstream phosphorylation cascades, and metabolic enzyme regulation in cellular assays.
Retatrutide targets GLP-1R, GIPR, and GCGR simultaneously, enabling research into complex receptor cross-talk, AMPK pathway activation, and mitochondrial bioenergetics under controlled in vitro and in vivo conditions.
These agents are intended solely for research use in controlled laboratory environments. Not for clinical, diagnostic, or therapeutic applications.
GLP-1
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- Sale!
- Peptides, GLP-1
Tirzepatide 5mg
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$139.99Original price was: $139.99.$109.99Current price is: $109.99. - Add to cart
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- Sale!
- GLP-1, Peptides
Tirzepatide 30mg
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$350.00Original price was: $350.00.$220.00Current price is: $220.00. - Add to cart
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- Sale!
- GLP-1, Peptides
Semaglutide 10mg
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$169.99Original price was: $169.99.$129.99Current price is: $129.99. - Add to cart
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- Sale!
- GLP-1, Peptides
Retatrutide 10mg
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$199.99Original price was: $199.99.$129.99Current price is: $129.99. - Add to cart
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- Sale!
- GLP-1, Peptides
Tirzepatide 10mg
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$174.99Original price was: $174.99.$154.99Current price is: $154.99. - Add to cart
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- Sale!
- GLP-1, Peptides
Semaglutide 5mg
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$99.99Original price was: $99.99.$79.99Current price is: $79.99. - Add to cart
Tirzepatide
Tirzepatide is a synthetic peptide analog composed of dual agonist motifs targeting the GIP receptor (GIPR) and GLP-1 receptor (GLP-1R). It is structurally engineered for the study of incretin receptor signaling and receptor-ligand interactions in non-clinical research environments.
For laboratory research use only

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- Sale!
- Peptides
GLOW Blend
-
$194.99Original price was: $194.99.$164.99Current price is: $164.99. - Add to cart
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- Sale!
- Peptides
Cagrilintide 5mg
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$170.00Original price was: $170.00.$144.99Current price is: $144.99. - Add to cart
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- Sale!
- Peptides, GLP-1
Tirzepatide 5mg
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$139.99Original price was: $139.99.$109.99Current price is: $109.99. - Add to cart
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- Sale!
- Peptides
BPC-157 250mcg (60 caps)
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$99.99Original price was: $99.99.$82.50Current price is: $82.50. - Add to cart
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- Sale!
- Peptides
SLU-PP-332 350mcg (60 caps)
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$74.99Original price was: $74.99.$59.99Current price is: $59.99. - Add to cart
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- Sale!
- Peptides
5 Amino-1MQ 50mg (60 caps)
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$169.99Original price was: $169.99.$142.99Current price is: $142.99. - Add to cart
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- Sale!
- Peptides
IGF-1 LR3 1mg
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$104.99Original price was: $104.99.$94.99Current price is: $94.99. - Add to cart
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- Sale!
- Peptides
NAD+ 500mg
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$149.99Original price was: $149.99.$112.99Current price is: $112.99. - Add to cart
-
- Sale!
- GLP-1, Peptides
Tirzepatide 30mg
-
$350.00Original price was: $350.00.$220.00Current price is: $220.00. - Add to cart
-
- Sale!
- GLP-1, Peptides
Semaglutide 10mg
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$169.99Original price was: $169.99.$129.99Current price is: $129.99. - Add to cart
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- Sale!
- GLP-1, Peptides
Retatrutide 10mg
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$199.99Original price was: $199.99.$129.99Current price is: $129.99. - Add to cart
-
- Sale!
- GLP-1, Peptides
Tirzepatide 10mg
-
$174.99Original price was: $174.99.$154.99Current price is: $154.99. - Add to cart
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- Sale!
- GLP-1, Peptides
Semaglutide 5mg
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$99.99Original price was: $99.99.$79.99Current price is: $79.99. - Add to cart





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Orders are processed the same day or the following business day, depending on the time the order is received. We ship exclusively via UPS 2-Day Air.
Orders placed before 1 PM PST (Monday to Friday) are typically shipped out the same day. Orders placed after that time or during the weekend will be processed and shipped on the next business day.