Guardian Labs Catalog

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Explore our collection of independently tested research compounds, backed by transparency, quality standards, and integrity in every molecule.

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  • Idaho Based
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  • Three white 30 mL bacteriostatic water vials with pink caps standing against a light blue background.
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    Bacteriostatic Water 30mL

    $22.99
    Bacteriostatic water 30mL is sterile, non-pyrogenic water preserved with 0.9% benzyl alcohol, the standard diluent for reconstituting lyophilized research peptides. One multi-dose vial supports repeated withdrawals for up to 28 days after first puncture.
    • USP grade, cGMP manufactured, non-pyrogenic
    • 0.9% benzyl alcohol preservative
    • 30mL multi-dose vial · lot COA available
    30 mLVolume 0.9%Benzyl Alcohol 28 DaysAfter Opening

    Research Use Only · 21+

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  • Medicine bottle with black cap; label shows Guardian Labs logo and large 'KPV', 10 mg dosage (informational).
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    KPV 10 mg

    $47.00
    KPV peptide 10mg is the tripeptide Lys-Pro-Val, matching the C-terminal residues 11–13 of α-melanocyte-stimulating hormone (α-MSH). It’s studied in inflammatory-signaling, epithelial and immune research models.
    • α-MSH (11–13) fragment, 3 amino acids
    • Studied in NF-κB, epithelial and barrier research
    • 10mg lyophilized vial · research use only · 21+
    3 AALength 10 mgPer Vial −20°CStorage

    Research Use Only · 21+

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  • White medicine bottle with a black cap, label showing Melanotan 2 and 10 mg, against a light blue background.
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    Melanotan 2 (10mg)

    $45.00
    Melanotan 2 10mg (MT-2) is a synthetic cyclic heptapeptide analog of α-melanocyte-stimulating hormone and a non-selective melanocortin receptor agonist, used in research on MC1R, MC3R and MC4R signaling. HPLC-verified above 99% purity.
    • Cyclic α-MSH analog, resistant to enzymatic breakdown
    • Studied across MC1R, MC3R and MC4R receptor models
    • 10mg lyophilized vial · research use only · 21+
    >99%HPLC Purity 10 mgPer Vial 7 AACyclic

    Research Use Only · 21+

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  • Boxed Guardian Labs PT-141 peptide with 10 mg per vial next to a bottle, showing the Guardian Labs logo and product name.
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    PT-141 10mg

    $42.00 - or subscribe and save up to 10%
    PT-141 10mg (bremelanotide) is a synthetic cyclic heptapeptide derived from α-MSH that activates central MC3R and MC4R melanocortin receptors. It’s used in research on hypothalamic melanocortin signaling. HPLC-verified above 99% purity.
    • Brain-penetrant cyclic melanocortin agonist
    • Refined from Melanotan II
    • 10mg lyophilized vial · research use only · 21+
    >99%HPLC Purity 10 mgPer Vial −20°CStorage

    Research Use Only · 21+

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  • Close-up of a glass bottle with a black cap and Guardian Labs label reading 'Reconstitution Water'.
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    Reconstitution Water

    Price range: $3.50 through $14.00
    Sterile water for peptide reconstitution, used to dissolve lyophilized research peptides before laboratory work. Three vial sizes let you match the volume to the amount you’re preparing.
    • Sterile water, no preservative
    • 3mL, 10mL or 30mL vials
    • For laboratory reconstitution · 21+

    Research Use Only · 21+

    Select options This product has multiple variants. The options may be chosen on the product page

Why Guardian Labs

Third-Party Tested

Independent analytical testing with accessible Certificates of Analysis.

Idaho Based

Proudly based in Idaho, USA.

Transparent Research Supply

Clear product identification and research-use labeling.

Integrity in Every Molecule

Our commitment to quality, transparency, and consistency.

All Guardian Labs products are intended for laboratory research use only and are not for human consumption.