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KLOW Peptide Calculator

KLOW is a four-peptide blend sold in one vial: GHK-Cu, TB-500, BPC-157 and KPV. The amounts below are a common configuration — vendors differ, so enter what is printed on your label.
What's in the vial (from the label)
mg
mg
mg
mg
mL
Dose of BPC-157
mcg
Syringe size (U-100)

Draw on your syringe

7.5units= 0.075 mL

01020304050607080901007.5 units1 mL · U-100 · 100 units
Amount of each peptide per injection
In each injectionAmountConcentration
GHK-Cu1.25 mg16,667 mcg/mL
TB-500250 mcg3,333 mcg/mL
BPC-157250 mcg3,333 mcg/mL
KPV250 mcg3,333 mcg/mL
Total in vial
80 mg
Doses per vial
40

In a blend you cannot change the ratio between peptides — every unit you draw contains all of them in the proportions above.

Pre-filled values are an example configuration, not a dosing recommendation. Enter the amounts printed on your vial.

What's in a KLOW vial

PeptideCommon amountShare of vial
GHK-Cu50 mg63%
TB-50010 mg13%
BPC-15710 mg13%
KPV10 mg13%

What you need

  • Bacteriostatic water

    Sterile water with 0.9% benzyl alcohol, used to dissolve the powder.

  • U-100 insulin syringes

    0.3 mL syringes are easiest to read for small doses; 1 mL for larger ones.

  • Alcohol prep pads

    Wipe the vial stopper before every draw.

  • Sharps container

    For safe disposal of used needles.

  • Which syringes and supplies to buy →

KLOW calculator FAQ

How many units of KLOW should I draw for 250 mcg of BPC-157?

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For a 50 mg GHK-Cu + 10 mg TB-500 + 10 mg BPC-157 + 10 mg KPV vial (80 mg total) mixed with 3 mL of water, 250 mcg of BPC-157 is 7.5 units (0.075 mL) on a U-100 syringe. That same draw also contains 1.25 mg GHK-Cu, 250 mcg TB-500, 250 mcg KPV.

Can I change the ratio of peptides in a KLOW vial?

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No. Once peptides are mixed in one vial, every unit you draw contains all of them in the same proportions. To dose them independently you need separate vials.

What if my KLOW vial has different amounts?

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Vendors sell blends in different configurations. Edit the amount of each peptide in the calculator to match your label exactly — the result updates instantly.

Sources

  1. FDA — Bulk drug substances that may present significant safety risks

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