Имун систем / бариера

Калкулатор за KPV

Пресметајте точни волумени за реконституција, инсулински единици и дози по шишенце за секој пептид.

Шишенцето, водата и дозата се познати

KPVОвој калкулатор е поставен на KPV

Количество пептид (mg)

BAC вода (ml)

Доза (mcg)

обично 100-1000 mcg

mcgmg

Големина на шприцот

Калибрација

U-100U-40

Ознаките се волумен, не активна супстанција

Ознаките мерат волумен, не активна супстанција. 5 IU = 0,05 ml. Колку mg има во нив зависи од смесата. Калкулаторот го пресмета тоа наместо Вас.

Речиси сите инсулински шприцови се U-100. Изберете U-40 само ако на шприцот пишува U-40.

Вашиот резултат · во живо

IUmlОзнаки

Извлечете

5IU

5 IU / 100 IU (0.050 ml)

Концентрација

5.00

mg/ml

Волумен по доза

0.050

Дози по шишенце

дози

по доза

—

KPV

Клучни податоци

Фреквенција: daily
Вообичаен опсег: 100-1000 mcg
CAS број: 67727-97-3
Молекулна формула: C₁₆H₃₀N₄O₄
Моларна маса: 342 g/mol

Синоними

Lys-Pro-Valα-MSH(11-13)

Студии и извори

Поврзаните извори водат до PubMed и се отвораат во нов таб.

Научен профил

KPV во лексиконот на пептиди: механизам, докази и извори

→

What Is KPV?

KPV is a synthetic tripeptide composed of three amino acids: lysine, proline, and valine. Its name is derived from the single-letter codes of those amino acids (K-P-V). KPV is the C-terminal fragment of the hormone alpha-melanocyte-stimulating hormone (alpha-MSH) — specifically residues 11 through 13. While alpha-MSH is a much larger 13-amino-acid peptide that produces a broad range of effects, including pigmentation, appetite regulation, and inflammatory modulation, KPV isolates the anti-inflammatory portion of that molecule without the pigment-driving properties.

This is what makes KPV interesting in preclinical research: it is a small, comparatively stable molecule that carries the immunomodulatory signature of alpha-MSH without binding to the melanocortin receptors responsible for skin tanning. As a result, the literature frequently discusses KPV alongside peptides such as BPC-157 and Selank in the context of barrier function, mucosal repair, and anti-inflammatory activity. Unlike Melanotan compounds, which are also derived from the melanocortin family, KPV has no meaningful effect on pigmentation.

KPV is not a hormone in the classical sense and does not act on the hypothalamic-pituitary axis. It works predominantly at the local, cellular level, where it modulates inflammatory signaling pathways. Its low molecular weight allows researchers to study not only injectable administration but also oral and topical routes. The information presented here applies strictly to the research context; KPV is not an approved drug.

Mechanisms of Action

KPV exerts its biological activity primarily by dampening inflammatory signaling cascades. Unlike its parent peptide alpha-MSH, KPV appears to act largely independently of cell-surface receptors: research data suggest the tripeptide is taken up into the cell and intervenes in key signaling pathways intracellularly rather than docking onto an external receptor. The effects described in the preclinical literature include:

Inhibition of the NF-kB pathway: NF-kB (nuclear factor kappa B) is a central transcription factor that drives the production of numerous pro-inflammatory proteins. Research shows that KPV reduces the activation and nuclear translocation of NF-kB, throttling the transcription of inflammatory genes. This is considered one of the principal mechanisms behind KPV's anti-inflammatory activity.
Reduction of pro-inflammatory cytokines: In cell and animal models, KPV lowers the concentration of signaling molecules such as TNF-alpha, interleukin-1, and interleukin-6. These cytokines drive and sustain inflammatory responses, and reducing their levels dampens inflammatory activity without fully shutting down the immune response.
Modulation of MAPK signaling: KPV interacts with the mitogen-activated protein kinase cascades, which are also involved in regulating inflammation and cellular stress. The combined action on NF-kB and MAPK explains the broad anti-inflammatory profile observed in preclinical models.
Gut barrier research: A substantial portion of the KPV literature focuses on inflammatory bowel models. KPV is taken up by intestinal epithelial cells via a peptide transporter and reduces mucosal inflammation. This has been studied in colitis models, where KPV lowered inflammatory markers and supported the integrity of the epithelial barrier.
Skin barrier research: Because KPV is a fragment of a skin-associated hormone, it is also studied in dermatological contexts. Preclinical work examines topical and systemic application in inflammatory skin models and in supporting the wound-healing phase, where excessive inflammation can delay the healing process.
Antimicrobial properties: Like its parent hormone alpha-MSH, KPV demonstrates direct antimicrobial activity against certain bacteria and fungi in laboratory studies. This aspect remains an area of ongoing basic research.

Dosage Calculation

KPV does not typically require a titration ramp. Most research protocols use a fixed daily dose. Because it is a small tripeptide with a short half-life, some protocols use once-daily administration while others split the dose into two applications per day.

Standard Dosing Parameters

Conservative dose: 100 mcg (0.10 mg) per application
Standard dose: 200–250 mcg (0.20–0.25 mg) per application
Higher range: 500–1000 mcg (0.50–1.00 mg) per application
Frequency: Once daily, split into two partial doses if needed
Typical syringe: 0.3 mL insulin syringe (29–31 gauge, 6–8 mm needle)

Example Calculation: 10 mg Vial with 2 mL BAC Water

A common vial size is 10 mg. Adding 2 mL of bacteriostatic water gives a concentration of 5 mg/mL (5,000 mcg/mL).

100 mcg dose: 100 ÷ 5000 = 0.02 mL (2 units on a U100 syringe)
200 mcg dose: 200 ÷ 5000 = 0.04 mL (4 units)
250 mcg dose: 250 ÷ 5000 = 0.05 mL (5 units)
500 mcg dose: 500 ÷ 5000 = 0.10 mL (10 units)

At 250 mcg once daily, a 10 mg vial provides 40 days of dosing. Use the KPV calculator above to compute exact volumes for any vial size, reconstitution volume, and target dose. The calculator is also helpful when using a 10 mg vial, since concentration and syringe volume shift accordingly.

Reconstitution

KPV is supplied as a lyophilized (freeze-dried) powder in sealed vials. For injectable use it must be reconstituted with bacteriostatic water (BAC water) before application. BAC water contains 0.9% benzyl alcohol, which inhibits microbial growth and extends the usable window of the reconstituted solution. Sterile water for injection should not be used for multi-dose vials because it contains no preservative.

Step-by-Step Reconstitution Protocol

Gather supplies: KPV vial, bacteriostatic water vial, alcohol swabs, a sterile draw needle (18–21 gauge), and your insulin syringe for later application.
Wipe the rubber septa of both vials with fresh alcohol swabs and allow them to air-dry for about 30 seconds. Do not touch or blow on the septa afterward.
Draw the desired volume of BAC water (2 mL is standard for a 5 mg vial) into the draw syringe.
Insert the needle into the KPV vial at an angle, directing the tip toward the inner glass wall rather than the lyophilized powder. A direct stream onto the powder cake can mechanically stress the peptide.
Slowly push the plunger so that the BAC water runs down the inside wall of the vial and gradually wets the powder from below.
Gently swirl or roll the vial between your palms until the powder is completely dissolved. The solution should appear clear and colorless. Do not shake or vortex, as strong shear forces can damage the peptide.
Label the vial with the reconstitution date and concentration (for example, "KPV 2.5 mg/mL — reconstituted [date]").

If the solution appears cloudy, discolored, or contains visible particulate matter, discard the vial and do not use it. The oral and topical routes also studied in research use different preparations that are outside the scope of this injection-focused guide.

Storage and Shelf Life

Lyophilized powder (unreconstituted): Store at −20°C for long-term storage, where it remains stable for many months. Short-term storage at 2–8°C in a refrigerator is acceptable for several weeks. Keep away from light and moisture and do not leave at room temperature for extended periods.
Reconstituted solution: Store in the refrigerator at 2–8°C. The solution is typically stable for approximately 28–30 days. Keep the vial upright and away from light, and write the reconstitution date prominently on the label. Discard the vial after roughly 30 days regardless of remaining volume.
Do not freeze reconstituted peptide. Freeze-thaw cycles cause peptide aggregation and loss of activity. Once reconstituted, the vial must remain refrigerated throughout its entire use window.
Transport: Use an insulated cooler with an ice pack for any travel lasting more than one to two hours. Commercial medication pouches maintain 2–8°C for 24–48 hours. Avoid exposure to temperatures above 25°C.

Side Effects and Safety Profile

KPV is regarded as a well-tolerated peptide in preclinical research. As a short tripeptide and a fragment of an endogenous hormone, it has not shown a pronounced toxicity profile in animal models. Robust human clinical trials are largely absent, however, which is why use remains strictly within the research domain and all statements should be assessed with appropriate caution.

Commonly Reported Observations

Mild redness, transient swelling, or brief discomfort at the injection site. These reactions usually resolve within a few hours. Rotating the injection site reduces localized irritation.
Occasionally, mild pressure or slight fatigue is reported after the first application. Such observations are nonspecific and generally self-limiting.
With oral use in research protocols, mild gastrointestinal sensations are occasionally described and are typically minor.

Less Common or Theoretical Concerns

Hypersensitivity reactions: As with any injectable peptide, allergic reactions are possible in principle. If a rash, itching, or swelling extends beyond the injection site, use should be discontinued.
Immunomodulation: Because KPV dampens inflammatory signaling pathways, an interaction with other immunomodulatory substances is theoretically conceivable. The combined effect at the cellular and tissue level is not well characterized.
Source purity: Impurities from low-quality synthesis can cause side effects that are not attributable to the peptide itself. Verified purity is therefore a central safety factor.

Contraindications

Pregnancy and breastfeeding, due to insufficient safety data
Known hypersensitivity to any component of the preparation
Active autoimmune or infectious disease without medical supervision, since the effect of immunomodulation cannot be predicted in these contexts

No serious adverse events have been attributed to KPV in the published literature at standard research doses. Given the absence of large-scale human trials, caution is warranted and consultation with a qualified healthcare professional is strongly recommended.

Combinations and Stacks

KPV + BPC-157 — Gut and Barrier Focus

KPV is frequently considered alongside BPC-157 in research on the gastrointestinal barrier. The two peptides address complementary aspects: BPC-157 is one of the most extensively studied peptides for gastrointestinal repair and drives angiogenesis and mucosal healing, while KPV specifically dampens the inflammatory component through inhibition of NF-kB. In preclinical gut models, the regenerative orientation of BPC-157 complements the anti-inflammatory profile of KPV. View detailed dosing information for BPC-157 at the BPC-157 calculator.

KPV + Selank — Inflammation and the Stress Axis

Another combination discussed in research pairs KPV with Selank. Selank is studied primarily in the context of stress regulation and neuroimmune modulation. While KPV acts on the peripheral inflammatory burden, Selank addresses overlapping pathways at the neuroimmune level. Research protocols that combine both peptides treat them as two independent tools with separate focal points.

KPV + Thymosin Alpha-1 — Immune Context

In the broader immunological context, KPV is also positioned alongside Thymosin Alpha-1. Thymosin Alpha-1 is associated in research with the regulation of the immune response. The combination is of interest because KPV dampens inflammatory overactivation, while Thymosin Alpha-1 modulates immune balance at a different level. Each component should be reconstituted and dosed individually.

Frequently Asked Questions

Is KPV the same as alpha-MSH?

No. KPV is the C-terminal fragment of alpha-MSH and consists of only three amino acids, whereas alpha-MSH is a complete 13-amino-acid peptide hormone. KPV carries the anti-inflammatory portion of the molecule but lacks the pigment-driving properties of alpha-MSH, because it does not bind to the melanocortin receptors responsible for tanning.

Does KPV cause skin tanning?

Based on current research, no. Unlike Melanotan compounds, which are also derived from the melanocortin family, KPV has no meaningful effect on melanin production. Dermatological research on KPV focuses on inflammatory skin models and barrier function, not pigmentation.

Can KPV be taken orally?

In research, KPV is studied orally in addition to injectable use, particularly in gut models. Studies describe that KPV is taken up by intestinal epithelial cells via a peptide transporter, enabling a local effect in the gastrointestinal tract. For systemic research questions, subcutaneous administration is generally preferred.

How long does it take for KPV to show effects?

Because KPV has primarily been studied in preclinical models, no reliable statements about human time windows can be made. The underlying mechanism — dampening inflammatory signaling — acts relatively quickly at the cellular level, but the observable effect depends heavily on the specific model and endpoint. Any timing outside controlled studies is speculative.

Does KPV affect hormone levels?

KPV is not a hormone in the functional sense and does not act on the hypothalamic-pituitary axis. Based on the current research, it does not bind to the classical melanocortin receptors and affects neither the sex hormones nor thyroid or adrenal function. Post-cycle therapy is not relevant.

What vial size is common for KPV?

KPV is typically offered in 5 mg and 10 mg vials. The 5 mg size is practical for most research protocols, as it covers roughly 20 days at a daily dose of 250 mcg. Larger vials reduce the number of reconstitution events but must be used within the shelf-life window of the reconstituted solution.

Can KPV be mixed with BPC-157 in the same syringe?

It is safer to reconstitute and inject each peptide individually. The combined stability of KPV and BPC-157 in a shared solution is not well characterized. Two separate injections at the same or an adjacent site add only minor inconvenience while eliminating the risk of interaction or concentration errors.

What should I look for when buying KPV?

Verified purity is essential, ideally documented by a certificate of analysis (HPLC and mass spectrometry). Because KPV is a short peptide, synthesis byproducts can distort the actual activity profile. Also look for proper lyophilization and appropriate refrigerated logistics. KPV is offered strictly for research purposes.

Medical Disclaimer: The information on this page is provided for educational and research purposes only. KPV is not an approved drug or medical treatment and is described strictly for research use. Nothing on this page constitutes medical advice, diagnosis, or a recommendation to use any specific compound. Always consult a qualified healthcare professional before beginning any peptide protocol. BergdorfBio assumes no liability for the use or misuse of the information presented here.

Чекор по чекор

Како да реконституирате пептид

Од прашок до готов шприц во пет чекори. Калкулаторот погоре автоматски ги дава количествата.

011
Подгответе BAC вода
Оставете ги шишенцето и водата да ја достигнат собната температура. Пребришете ги двете гумени затворачи со алкохолна газа.
022
Извлечете вода
Извлечете го количеството BAC вода што го препорачува калкулаторот со поголем шприц.
033
Додајте полека
Оставете водата да се слее по внатрешната страна на шишенцето, не прскајте директно врз прашокот.
044
Оставете да се раствори
Вртете го шишенцето нежно, не тресете. Прашокот се раствора бистро во рок од 1-2 минути.
055
Извлечете ја дозата
Извлечете точно до пресметаната ознака со инсулинскиот шприц. Готово.

Референца

Доза и големини на шишенце по пептид

Вообичаени почетни вредности за ориентација. Секој ред го отвора калкулаторот за тој пептид.

Пептид	Категорија	Вообичаена доза	Големини на шишенце	BAC (почеток)	Достапност	Пресметај
VIP	Истражување на невропептиди	-	10 mg	2 ml	Само калкулатор	Пресметај
Ретатрутид (Retatrutide)	GLP-1/GIP/GCG	0,5-12 mg	2 / 5 / 10 / 15 mg	2 ml	Само калкулатор	Пресметај
Кагрилинтид (Cagrilintide)	Аналог на амилин	-	5 mg	2 ml	Само калкулатор	Пресметај
Семаглутид (Semaglutide)	GLP-1	0,25-2,4 mg	2 / 5 / 10 mg	2 ml	Само калкулатор	Пресметај
Тирзепатид (Tirzepatide)	GLP-1/GIP	2,5-15 mg	10 / 15 / 20 / 30 / 60 / 90 mg	2 ml	Само калкулатор	Пресметај
GHK-Cu	Бакарен пептид	1-4 mg	10 / 20 / 50 mg	5 ml	Само калкулатор	Пресметај
AHK-Cu	Бакарен пептид	-	100 mg	5 ml	Само калкулатор	Пресметај
BPC-157	Обнова на ткиво	0,2-0,5 mg	2 / 5 / 10 mg	2 ml	Само калкулатор	Пресметај
TB-500	Тимозин бета-4 (Thymosin Beta-4)	2-5 mg	2 / 5 / 10 mg	2 ml	Само калкулатор	Пресметај
CJC-1295 (без DAC)	GHRH аналог	100-200 mcg	2 / 5 / 10 mg	2 ml	Само калкулатор	Пресметај
Ипаморелин (Ipamorelin)	GHRP	200-300 mcg	2 / 5 mg	2 ml	Само калкулатор	Пресметај
AOD-9604	Губење на маснотии	250-500 mcg	2 / 5 mg	2 ml	Само калкулатор	Пресметај
PT-141	Бремеланотид (Bremelanotide)	-	2 / 5 / 10 mg	2 ml	Само калкулатор	Пресметај
MOTS-c	Митохондриски	5-10 mg	5 / 10 mg	2 ml	Само калкулатор	Пресметај
Селанк (Selank)	Анксиолитик	150-500 mcg	2 / 5 / 10 mg	2 ml	Само калкулатор	Пресметај
SS-31	Еламипретид (Elamipretide)	0,1-1 mg	5 / 10 mg	2 ml	Само калкулатор	Пресметај
Glow Stack	Stack	0,5-2 mg	70 mg	3 ml	Само калкулатор	Пресметај
Klow Stack	Stack	0,5-2 mg	55 mg	3 ml	Само калкулатор	Пресметај
Меланотан II (Melanotan II)	Меланокортин	100-1000 mcg	5 / 10 mg	2 ml	Само калкулатор	Пресметај
Меланотан I (Melanotan I)	Меланокортин	-	5 / 10 mg	2 ml	Само калкулатор	Пресметај
Серморелин (Sermorelin)	GHRH аналог	50-300 mcg	5 mg	2 ml	Само калкулатор	Пресметај
Тезаморелин (Tesamorelin)	GHRH аналог	1-2 mg	10 / 20 mg	2 ml	Само калкулатор	Пресметај
Тимозин алфа-1 (Thymosin Alpha-1)	Тимусен пептид	0,8-3,2 mg	1.6 / 5 / 10 mg	1 ml	Само калкулатор	Пресметај
Епиталон (Epithalon)	Долговечност	2-10 mg	10 / 20 / 50 mg	2 ml	Само калкулатор	Пресметај
KPV	Имун систем / бариера	100-1000 mcg	5 / 10 mg	2 ml	Само калкулатор	Пресметај
HGH фрагмент 176-191	Метаболичен фрагмент	100-500 mcg	2 / 5 / 10 mg	2 ml	Само калкулатор	Пресметај
Семакс (Semax)	Когнитивно	100-1000 mcg	10 / 30 mg	2 ml	Само калкулатор	Пресметај
N-ацетил Семакс (N-Acetyl Semax)	Когнитивно	100-1000 mcg	5 / 10 mg	2 ml	Само калкулатор	Пресметај
Хексарелин (Hexarelin)	GHRP	50-200 mcg	2 / 5 mg	2 ml	Само калкулатор	Пресметај
GHRP-6	GHRP	50-300 mcg	2 / 5 mg	2 ml	Само калкулатор	Пресметај
GHRP-2	GHRP	50-250 mcg	2 / 5 mg	2 ml	Само калкулатор	Пресметај
DSIP	Сон	50-500 mcg	10 mg	2 ml	Само калкулатор	Пресметај
5-Amino-1MQ	Метаболичен	2,5-10 mg	10 mg	2 ml	Само калкулатор	Пресметај
Пинеалон (Pinealon)	Истражувачки пептид	-	10 mg	2 ml	Само калкулатор	Пресметај
Сурводутид (Survodutide)	GLP-1/глукагон	-	10 mg	2 ml	Само калкулатор	Пресметај
Киспептин-10 (Kisspeptin-10)	KISS1R / GPR54	-	10 mg	2 ml	Само калкулатор	Пресметај
HGH 191AA	Хормон на раст	1-5 mg	10 mg	1 ml	Само калкулатор	Пресметај
NAD+	Долговечност / кофактор	100-500 mg	1000 mg	10 ml	Само калкулатор	Пресметај

Вредностите служат за ориентација во истражувачки контекст и не заменуваат стручен совет.

Зошто е важна прецизната доза на пептидот

Точната пресметка на концентрацијата и волуменот за инјектирање изгледа едноставна, но е најчест извор на грешки. Дури и 10 % грешка при реконституцијата значи или премалку активна супстанција или ненамерно преголема доза.

Лиофилизираните пептиди се испорачуваат во милиграми и се раствораат во бактериостатска вода (BAC вода). Односот пептид-вода ја определува концентрацијата, а од неа зависи колку ознаки извлекувате со инсулинскиот шприц. Инсулинските шприцови се поделени по ознаки, не по милиграми. Калкулаторот ја прави оваа конверзија, вклучително проверката на веројатноста против најопасната грешка: мешање на mg и mcg.

Често поставувани прашања

Која е разликата меѓу mcg и mg?

Милиграмите (mg) се единицата во која се продаваат лиофилизираните пептиди, на пример „5 mg BPC-157“. Микрограмите (mcg) ја мерат поединечната доза, на пример „250 mcg по инјекција“. 1 mg = 1.000 mcg. Калкулаторот конвертира автоматски и предупредува кога внесот изгледа како замена.

Што значи „U-100“ на инсулинскиот шприц?

U-100 значи дека шприцот е калибриран на 100 единици по милилитар. 100 IU = 1 ml, значи 10 IU = 0,10 ml, без оглед на тоа што има во шприцот. Пресметката на IU се базира токму на овој однос.

Зошто калкулаторот понекогаш прикажува многу мали волумени?

Со многу пептид и малку вода растворот станува многу концентриран, па волуменот по доза е ситен и тежок за читање. Користете го помошникот за растворање: тој го наоѓа волуменот вода со кој се добива чиста и лесно читлива ознака.

Колку трае реконституираниот пептид?

Во фрижидер на 2-8 °C обично 21-30 дена. Означете го шишенцето со датумот на реконституција. Заматени раствори или честички не се прифатливи.

Како функционира калкулаторот за смеси како Glow Stack?

Смесите содржат неколку активни супстанции во едно шишенце. Едноставно изберете ја смесата како Ваш пептид: калкулаторот дополнително покажува колку од секоја компонента има во Вашата инјекција. За комбинации од неколку одделни шишенца користете го Составувачот на комбинации.

Морам ли секој пат одново да го пополнувам калкулаторот?

Не. Последните поставки се чуваат локално во прелистувачот и се враќаат при следната посета. Можете и да вратите пресметки од историјата, да ги зачувате како протокол или да ги споделите преку линк.

Поврзани пептиди

BPC-157Обнова на ткиво Селанк (Selank)Анксиолитик Тимозин алфа-1 (Thymosin Alpha-1)Тимусен пептид

Сите калкулатори

Изберете пептид

Изберете пептид за да ја отворите неговата калкулаторска страница со пополнети вредности.

Само калкулатор