Peptide Stack

KLOW Stack

KLOW peptide blend · GHK-Cu BPC-157 TB-500 KPV stack · regenerative anti-inflammatory stack · klow peptide

Vendor GLOW mix plus KPV. Common advertised SKU is 80 mg at 50/10/10/10. Still a catalog pairing. Not an IBD drug, not a leaky-gut reset, not a synergy RCT.

Not FDA-approved - research chemicalWADA (S0) - prohibited in sport at all timesContains FDA Category 2 material (BPC-157). PCAC Jul 2026 review is advisory, not a final rule
Reviewed by CalcMyPeptide Editorial Team
Last updated: August 2026Evidence: Low5 peer-reviewed citations
Typical research dose
Advertised 80 mg 50/10/10/10 cake: 15 U ≈ 4 mg total from 3 mL. COA first.
Frequency
Pre-blend: daily in community logs. Separate vials: independent schedules.
Half-life
Not measured as a mix.
Common vials
20 mg / 80 mg
CAS
N/A (Blend)
Molecular weight
Four molecules. Not a single MW.

Use-case scores

0–10 against the evidence we have, not a gym ranking. Hidden domains do not apply here.

  • Injury & tissue3/10

    Adds KPV (α-MSH fragment) to a GLOW-style mix. Still a catalog pairing.

  • Skin / cosmetic3/10

    GHK-Cu is still ~62.5% of a 50/10/10/10 cake. Topical copper-peptide papers do not become a four-way NDA.

Compound card

Class
Vendor blend (GLOW components + KPV)
Formula
GHK-Cu + KPV + BPC-157 + TB-500 7-mer (vendor mix)
Status
Not FDA-approved · research use
Dose it
80 mg + 3 mL BAC water → 26.67 mg/mL · advertised cake. Confirm the COA, then use the blend calculator.
Open blend calculator

How it works

KLOW is the GLOW cake plus KPV. Four lyophilized research SKUs: GHK-Cu, BPC-157, TB-500 as sold (usually Ac-LKKTETQ), and KPV (α-MSH residues 11–13, Lys-Pro-Val). The common advertised split is 80 mg at 50/10/10/10, so GHK-Cu is still 62.5% of every draw.

KPV’s literature is mouse colitis and NF-κB work (Dalmasso 2008, Kannengiesser 2008). That is not Crohn’s, not UC, not mast-cell activation syndrome, and not a reason this bottle is an “anti-inflammatory stack.” Adding a fourth powder does not create synergy. There is no published trial of the four together.

TB-500 identity stays the 7-mer problem. BPC-157 stays Category 2 and WADA S0. GHK-Cu stays copper and PIP. Read the four leaves. Then read the COA.

Source: PMID: 18492131 (GHK-Cu), PMID: 29936067 (BPC-157), PMID: 23084823 (TB-500 7-mer), PMID: 18061177 (KPV mouse colitis)

KPV does not make this an IBD drug. BPC-157 is still S0.

Four-peptide convenience is not a gastroenterology protocol. Mouse colitis papers on KPV stay on the KPV leaf. Titration tables you see elsewhere are milligram arithmetic of a 50/10/10/10 cake, not a studied schedule.

No published trial has tested GHK-Cu + KPV + BPC-157 + TB-500 together. Dalmasso 2008 and Kannengiesser 2008 are mouse colitis papers on KPV, not Crohn’s or UC approvals, and not a reason this bottle is “for inflammation.” TB-500 as sold is still usually the 7-mer.

What is in the vial

KLOW is GLOW with a fourth lyophilized powder in the cake: KPV (α-MSH 11–13). The common advertised SKU is 80 mg at 50/10/10/10. GHK-Cu is still ~62.5% of every draw. Adding KPV does not create a gut, mast-cell, or autoimmune indication.

Pre-blend math

Common advertised cake: 50 mg GHK-Cu + 10 mg KPV + 10 mg BPC-157 + 10 mg TB-500. Example reconstitution 3 mL bacteriostatic water → 26.7 mg/mL total blend. “KLOW 80 mg” is a vendor convention, not a monograph. If your vial is 20 mg or a different split, this table is wrong for your bottle. Use the blend calculator.

Common advertised SKU
80 mg · 50 / 10 / 10 / 10
Example water
3.0 mL BAC → 26.7 mg/mL
1 unit (U-100)
0.01 mL ≈ 267 mcg total
Per unit split
~167 mcg GHK-Cu + ~33 mcg each of KPV, BPC, TB-500
GHK-Cu share
62.5% of every draw
Research status
Not FDA-approved. No combo trial. WADA S0.

Concentration = 80 mg ÷ 3 mL. One U-100 unit = 0.01 mL ≈ 267 mcg total. Units = mL × 100.

Draw math for this advertised ratio

Arithmetic, not a dose recommendation

15 units (0.15 mL) on a U-100 syringe is 0.15 mL. At 267 mcg/unit from a 80 mg / 3 mL cake, that is ~4.00 mg total blend. About 20 full draws before the vial is empty, ignoring priming waste.

GHK-Cu
~2.5 mg
KPV
~500 mcg
BPC-157
~500 mcg
TB-500
~500 mcg

How that draw compares to standalone folklore

Titration tables on other sites are arithmetic of this ratio, dressed as a protocol. We show the arithmetic. We do not promote the titration.

ComponentThis drawStandalone folkloreRead
GHK-Cu~2.5 mg / 15 U1–2 mg daily is a common standalone rangeAt 15–22.5 units this cake overshoots that folklore band because GHK-Cu is 62.5% of the vial
KPV~500 mcg / 15 UCommunity logs often cite 200–500 mcgInside that folklore band at 15 units; still mouse-model evidence
BPC-157~500 mcg / 15 U250–500 mcg dailyInside that folklore band at 15 units
TB-500~500 mcg / 15 U daily2–5 mg, 2×/week in many injury logsStill a convenience microdose vs loading folklore

Open the blend calculator

Separate vials

If the job is “I want KPV,” buy KPV. Parking it inside a GHK-Cu-majority cake so you can say KLOW is not dose control. Separate syringes for separate vials.

PeptideCommunity rangeTypical folklore frequencyExample recon math
GHK-Cu1–2 mgDaily in community logs50 mg + 5 mL BAC → 10 mg/mL. 1 mg = 10 units.
KPV200–500 mcgDaily in community logs5 mg + 2 mL BAC → 2,500 mcg/mL. 250 mcg = 10 units.
BPC-157250–500 mcgDaily in community logs5 mg + 2 mL BAC → 2,500 mcg/mL. 500 mcg = 20 units.
TB-5002–5 mg per injection (folklore)Often 2×/week, not a daily blend microdose5 mg + 1 mL BAC → 5 mg/mL. 2.5 mg = 50 units.

Cycle folklore

On/off calendars below are community structures, usually blamed on GHK-Cu copper handling. They are not studied durations for this mix.

ApproachOnOffNote
Short community cycle4–6 weeks2–4 weeksSame copper-off excuse as GLOW. Not a KPV PK holiday.
Extended community cycle8–12 weeksAbout 4 weeksMore GHK-Cu mass per week than GLOW at the higher draw volumes. That is copper, not “anti-inflammatory loading.”
Anecdotal stretchUp to 16 weeks4+ weeksForum duration. No safety file supports continuous four-peptide use.

Storage and reconstitution steps

StateStorageNote
LyophilizedCold, dry, darkFour peptides, one cake. Moisture is a discard for the whole lot.
Reconstituted2–8 °C. No freeze-thaw.Treat reconstituted life as the shortest component window. 14–28 day vendor talk is not a stability study of this mix.
AppearanceClear, possible faint blue-greenCopper tint can be GHK-Cu. Anything else: discard.
  1. 01

    Read the COA, not the nickname

    Confirm each milligram on the label. GLOW and KLOW are vendor names. Ratios drift between lots.

  2. 02

    Swab both stoppers

    Alcohol on the blend vial and the bacteriostatic water. Let them dry.

  3. 03

    Draw the water volume you actually chose

    The tables on this page assume a common vendor water volume. If you add a different volume, rerun the blend calculator.

  4. 04

    Aim at the glass wall

    Inject water down the inside wall. Do not blast the cake. Foaming is wasted peptide, not a vibe.

  5. 05

    Roll. Do not shake.

    Gentle swirl until dissolved. GHK-Cu often tints the solution faint blue-green. That is copper, not contamination by itself. Cloudiness, clumps, or a brown shift is a discard.

  6. 06

    Label date and fridge it

    2–8 °C, dark. A multi-peptide cake is only as stable as the shortest-lived component. Vendor “30 days” claims are not a stability NDA.

  7. 07

    Do the unit math before the first draw

    Concentration = total mg ÷ water mL. Units on a U-100 syringe = mL × 100. Check it twice. Then check the COA again.

GLOW vs KLOW vs Wolverine

Ingredient count is not evidence quality. All three are vendor pairings. None has a combination RCT.

FeatureWolverineGLOWKLOW
In the bottle (typical vendor story)BPC-157 + TB-500 7-merGHK-Cu + BPC-157 + TB-500 7-merGLOW four-way: adds KPV
Common advertised massOften 10–20 mg totalOften 70 mg (50/10/10)Often 80 mg (50/10/10/10)
What the marketing is sellingTwo-peptide recovery pairRecovery pair plus copper-peptide skin storyGLOW plus an α-MSH fragment inflammation story
KPVNoNoYes (usually 10 mg)
GHK-CuNoYes (usually the majority by mass)Yes (usually the majority by mass)
Combination RCTNoneNoneNone
WADAS0 via BPC-157 (and TB-500 as sold)S0 via BPC-157S0 via BPC-157
FDA compounding flagCategory 2 (BPC-157)Category 2 (BPC-157)Category 2 (BPC-157)
  • GLOW · Same three peptides without KPV. If you do not have a KPV-specific reason, this is the simpler cake.
  • Wolverine · BPC-157 + TB-500 only. No copper peptide. No KPV.
  • KPV · Read the mouse-colitis identity leaf. Do not upgrade it to a human gut protocol because it sat in KLOW.
  • GHK-Cu · Majority mass. PIP and copper handling live here.
  • BPC-157 · The WADA and Category 2 problem in this bottle.
  • TB-500 · 7-mer, not Tβ4.

Supply math

Planning counts assume the advertised cake, the example water volume, and one syringe per day. Round up for priming. This is inventory arithmetic.

If you runVials (advertised size)Why
4 weeks at 7.5 U/day1 × 80 mg7.5 U = 0.075 mL ≈ 2 mg. One 80 mg / 3 mL cake is ~40 draws. 28 days fits.
4 weeks at 15 U/day2 × 80 mg15 U = 0.15 mL ≈ 4 mg. One cake is ~20 draws, not 28. You need a second vial for a 4-week daily calendar.
4 weeks at 22.5 U/day3 × 80 mg22.5 U = 0.225 mL ≈ 6 mg. One cake is ~13 draws. Pages that print 30 injections at 22.5 units from 3 mL miscounted milliliters.

Background & History

KLOW is GLOW with KPV poured into the same cake so a product page can say inflammation. The advertised 80 mg 50/10/10/10 split keeps GHK-Cu at 62.5% of every unit. Mouse colitis papers on KPV (Dalmasso 2008, Kannengiesser 2008) do not describe this bottle and are not Crohn’s or UC approvals. The four-way mix has not been studied as a mix.

Research Use Cases

  • ✓Identity: GLOW components plus KPV, usually 50/10/10/10
  • ✓Why every titration step scales copper peptide faster than KPV
  • ✓When to buy a KPV vial instead of a four-peptide nickname
  • ✓Not IBD, not mast cell, not autoimmune care

Dosing

PhaseDoseFrequencyNotes
Advertised 80 mg cake (example math)15 units = 0.15 mL ≈ 4.0 mg total from 3 mLOnce daily in community logsAt 50/10/10/10 that is ~2.5 mg GHK-Cu + ~500 mcg each of KPV, BPC-157, and TB-500. Other sites print 7.5 / 15 / 22.5 unit “titration.” That is arithmetic, not a trial arm.
Separate-vial folkloreDose each leaf on its own pageIndependent schedulesIf you want KPV, buy KPV. Parking it inside a GHK-Cu-majority cake is not dose control.

Administration

Route / form
Subcutaneous in research-chem use. Pre-blend is one draw.
Timing
Community logs often say evening. That is habit, not mix PK.
Empty stomach?
No - Food timing is not critical.

Timeline

What a trial would measure
Nothing. No four-peptide KLOW study exists, so there is no week-1 joint-pain endpoint to cite.
What people report anyway
GHK-Cu PIP. Occasional copper-blue tint at the site. Inflammation and skin stories mix four separate literatures.
What not to expect
An IBD indication, a mast-cell protocol, or Tβ4 trial results from a 7-mer microdose.

Who it is for

GLOW plus KPV

Low

The only structural difference from GLOW is KPV. Difference is not superiority. Still a catalog pairing.

Gut / autoimmune marketing

Low

This site will not treat IBD, “leaky gut,” or autoimmunity from a KLOW page. KPV mouse papers stay on the KPV leaf.

Skin / wound marketing

Low

GHK-Cu collagen papers exist. Blend copy is not a wound protocol.

Reconstitution

VialWaterConcentrationExample dose
80 mg advertised cake (50/10/10/10)3 mL BAC26.7 mg/mL total15 U = 0.15 mL ≈ 4.0 mg total (~2.5 mg GHK-Cu + ~0.5 mg each other). COA wins.

Change vial size or water volume? Open the blend calculator.

Safety & Considerations

GLOW components plus KPV. Contains BPC-157 (FDA Category 2, WADA S0). GHK-Cu is the usual injection-site pain and the copper-handling issue. Angiogenesis signaling: active malignancy is a hard no. Wilson’s and pregnancy: no. Four powders in one cake means four COA lines to verify. Not an autoimmune protocol.

Regulatory & Legal Status

FDA Status (US)
Research Only

Vendor blend typically GLOW components + KPV. Contains BPC-157 (FDA Category 2). The named blend is not an approved product. PCAC Jul 2026 review is advisory, not a final rule

WADA Status (2026)
Prohibited (S0)

Competitive athletes subject to anti-doping controls should not use KLOW Stack.

Classification

Research Chemical

US Compounding: Not eligible / not available

⚠️ This information is for educational purposes only and may not reflect the most current regulatory updates. Always verify with official FDA, WADA, and jurisdiction-specific sources before use.

Limits of current evidence

  • No combination trial of the four peptides. Titration tables are milligram arithmetic, not a studied schedule.
  • This site will not treat IBD or “leaky gut” from a KLOW page.
  • Dalmasso 2008 and Kannengiesser 2008 stay on the KPV leaf. They do not describe this bottle.

Verdict

KLOW is a vendor name for GHK-Cu + BPC-157 + TB-500 + KPV. Common advertised SKU is 80 mg at 50/10/10/10. Not a gut-disease drug. KPV is not an IBD indication on this site.

Interactions & Contraindications

Same BPC-157 WADA S0 / Category 2 problem as GLOW, plus copper handling from GHK-Cu. No four-peptide PK. Not an IBD protocol.

Synergies & Common Stacks

Drop KPV and you are back at GLOW. If you cannot name a KPV-specific job, the fourth powder is marketing.

The only structural difference. Read the mouse-colitis leaf. Do not upgrade it because it sat in KLOW.

KLOW Stack vs. GLOW Stack

Canonical comparison: KLOW Stack vs GLOW Stack

AttributeKLOW StackGLOW Stack
ComponentsGHK-Cu + KPV + BPC-157 + TB-500GHK-Cu + BPC-157 + TB-500
Common advertised mass80 mg at 50/10/10/1070 mg at 50/10/10
Why people pick itKPV inflammation storyFewer powders, same copper-peptide majority
KPV evidence in the mixNone. Mouse papers stay on the KPV leaf.Not in the bottle
Combo trialNoneNone

Verdict: KLOW is not GLOW with a better evidence grade. It is GLOW plus an α-MSH fragment. Buy KPV separately if that is the actual job.

Frequently Asked Questions

What is the difference between GLOW and KLOW?▼
KLOW is GLOW plus KPV. Four SKUs instead of three. Typical advertised masses are 70 mg vs 80 mg. Neither has a combination RCT. Neither is a gut, mast-cell, or autoimmune protocol.
Does KPV make KLOW an IBD treatment?▼
No. Dalmasso 2008 (PMID 18061177) and Kannengiesser 2008 (PMID 18092346) are mouse colitis papers. They are not Crohn’s or UC approvals, and they do not describe this four-peptide cake.
What is the 80 mg 50/10/10/10 vial?▼
A common advertised split: 50 mg GHK-Cu and 10 mg each of KPV, BPC-157, and TB-500. In 3 mL water that is 26.7 mg/mL total. GHK-Cu is 62.5% of every unit you draw.
Why do other sites list 7.5, 15, and 22.5 unit steps?▼
That is milligram arithmetic of this ratio, presented as titration. 7.5 U ≈ 2 mg total, 15 U ≈ 4 mg, 22.5 U ≈ 6 mg. We show the same arithmetic. We do not promote it as a studied schedule.
Why does GHK-Cu dominate every draw?▼
Because it is 50 of 80 mg. You cannot “just add a little KPV” inside this cake without also scaling copper peptide. Separate vials if that matters.
Has the four-peptide mix been studied?▼
No. Extrapolating four literatures into one syringe is community reasoning, not evidence.
Why does the injection burn so much?▼
GHK-Cu PIP. Same as GLOW. Diluting the whole cake with extra water also dilutes the other three. That is a concentration choice, not a buffered drug product.
Is KLOW WADA-safe?▼
No. BPC-157 is S0. The extra KPV does not wash that off.
Should I pick KLOW over GLOW for inflammation?▼
Only if you have a specific reason to want KPV, and even then a KPV vial is cleaner math. “Inflammation” as a vibe is not a protocol.
How long does a reconstituted KLOW vial last?▼
Treat it as the shortest reconstituted window among the four powders. Vendor 14–28 day talk is not a mix stability study. Fridge, no freeze-thaw, discard if the solution looks wrong.

References

  1. Dalmasso G, Charrier-Hisamuddin L, Nguyen HT, et al. “PepT1-mediated tripeptide KPV uptake reduces intestinal inflammation.” Gastroenterology (2008). PMID: 18061177
  2. Kannengiesser K, et al. “Melanocortin-derived tripeptide KPV has anti-inflammatory potential in murine models of inflammatory bowel disease.” Inflamm Bowel Dis (2008). PMID: 18092346
  3. Pickart L, Margolina A. “GHK peptide as a natural modulator of multiple cellular pathways in skin biology.” Biomed Res Int (2015). PMID: 26236730
  4. Sikiric P, et al. “Novel cytoprotective mediator, stable gastric pentadecapeptide BPC 157. Vascular recruitment and gastrointestinal tract healing.” Curr Pharm Des (2018). PMID: 29936067
  5. Ho EN, et al. “Doping control analysis of TB-500, a synthetic version of an active region of thymosin β4, in equine urine and plasma by LC-MS.” Drug Test Anal (2012). PMID: 23084823

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