Calcolatore di Peptidi
Calcola concentrazione, volume di iniezione e unità di insulina per Retatrutide, GHK-Cu, Semaglutide, Glow & Klow Stack e altri peptidi.
Consigliato: BD MICRO-FINE+ 0,5 ml U100
Aspira: 80 IE.
BD MICRO-FINE+ Demi 0,3 ml
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BD MICRO-FINE+ 0,5 ml
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BD MICRO-FINE+ 1,0 ml
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Contenitore per aghi HaseMed 0,5L
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Crea un piano di titolazione personalizzato settimana per settimana.
| Settimana | Dose/settimana | Per iniezione | ml | IE | Siringa |
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Panoramica dei peptidi comuni. Clicca 'Apri nel calcolatore' per usare i valori.
Dosaggio di Retatrutide: Guida completa
Dati clinici, schemi di titolazione, calcolatore e errori comuni
Iniezione di Retatrutide: Siti di iniezione e istruzioni
Siti di iniezione, dimensione dell'ago, istruzioni passo dopo passo
Aghi per penna: Confronto e guida all'acquisto
BD Micro-Fine, Ultra-Fine PRO e altri a confronto
Calcolatore di Peptidi: Perché il dosaggio preciso è critico
Il nostro calcolatore di peptidi gratuito ti aiuta a calcolare la dose esatta per la tua iniezione di peptide sottocutanea. Che si tratti di Retatrutide, GHK-Cu, BPC-157, Semaglutide, Glow Stack, Klow Stack o CJC-1295 no DAC — il calcolo corretto di concentrazione, volume di iniezione e unità di insulina (UI) è la base per un uso sicuro. Con il nostro calcolatore di peptidi e calcolatore di miscelazione di peptidi, puoi calcolare il dosaggio dei peptidi in modo preciso e affidabile.
Calcolatore di Retatrutide — Calcola dosaggio GLP-1/GIP/GCG
Retatrutide is an innovative triple-acting receptor agonist that simultaneously binds to GLP-1, GIP, and glucagon receptors. This unique triple action distinguishes Retatrutide from conventional GLP-1 agonists like Semaglutide or Tirzepatide. The additional glucagon receptor activation increases energy expenditure and stimulates hepatic fat oxidation, which in clinical trials led to significantly greater weight reduction than comparable agents.
Retatrutide dosing follows a stepwise titration schedule. You typically start at 0.5 mg per week and increase every four weeks through 1 mg, 2 mg, 4 mg, and 8 mg to the target dose of 12 mg per week. This gradual increase minimizes gastrointestinal side effects such as nausea and diarrhea. For a standard 10 mg Retatrutide vial, we recommend 2 ml BAC water, yielding a concentration of 5 mg/ml. At a starting dose of 0.5 mg, this equals only 0.1 ml (10 IU on a U100 syringe) — the BD MICRO-FINE+ Demi 0.3 ml is ideal here as it allows more precise dosing than larger syringes. Subcutaneous injection is given once weekly in the abdomen, thigh, or upper arm. Our Retatrutide Calculator computes all values automatically for your individual vial and dose combination.
Calcolatore di Semaglutide — Calcola dose GLP-1
Semaglutide is a GLP-1 receptor agonist used for the treatment of type 2 diabetes and obesity. As the active ingredient in well-known pre-filled pens, Semaglutide is one of the most widely prescribed GLP-1 agonists worldwide. Its mechanism of action is based on mimicking the body's own GLP-1 hormone, which stimulates insulin secretion, reduces appetite, and slows gastric emptying.
Semaglutide dosing follows a five-step titration schedule: start with 0.25 mg per week for 4 weeks, then increase to 0.5 mg, 1.0 mg, 1.7 mg, and finally 2.4 mg per week. Each titration level is maintained for at least 4 weeks to ensure tolerability. For a 5 mg vial with 2.5 ml BAC water, the concentration is 2 mg/ml. The starting dose of 0.25 mg equals 0.125 ml (12.5 IU). The Semaglutide Calculator automatically computes these values for any desired dose and shows how many doses your vial yields. Reconstituted Semaglutide should be stored in the refrigerator at 2-8°C and is typically stable for 28-30 days after mixing.
Calcolatore di Tirzepatida — Azione duale GLP-1/GIP
Tirzepatide is a dual GLP-1/GIP receptor agonist used as the active ingredient in well-known pre-filled pens. The combination of both incretin receptors produces stronger metabolic effects than pure GLP-1 agonists. In clinical trials, Tirzepatide showed superior weight reduction and blood sugar control compared to Semaglutide.
The Tirzepatide titration schedule comprises six levels: 2.5 mg → 5 mg → 7.5 mg → 10 mg → 12.5 mg → 15 mg per week, with at least 4 weeks per level. For a 10 mg vial with 2 ml BAC water, the concentration is 5 mg/ml. The starting dose of 2.5 mg equals 0.5 ml (50 IU) — the BD MICRO-FINE+ 0.5 ml U100 is optimal here. At higher doses from 7.5 mg, the 1.0 ml syringe is needed. The Tirzepatide Calculator automatically determines which syringe is optimal for your current titration level. The most common side effects in the first weeks are nausea, vomiting, and diarrhea, which usually improve after 2-3 weeks with consistent titration.
Calcolatore GHK-Cu — Dosaggio del peptide di rame
GHK-Cu (Glycyl-L-Histidyl-L-Lysine Copper) is a naturally occurring tripeptide found in human blood plasma. Its concentration decreases with age, making it an important target for anti-aging research. GHK-Cu stimulates collagen production, promotes wound healing, reduces inflammation, and has antioxidant properties. It is used both subcutaneously and topically.
GHK-Cu dosing is typically 1-4 mg per day, with many users starting at 1 mg daily and increasing to 2-3 mg if well tolerated. For 50 mg GHK-Cu vials with 5 ml BAC water, the concentration is 10 mg/ml. At a daily dose of 2 mg, you draw 0.2 ml (20 IU) — the BD MICRO-FINE+ Demi 0.3 ml is perfect for this. A 50 mg vial lasts 25 days. GHK-Cu is often combined with BPC-157 in the so-called Glow Stack for synergistic effects on skin rejuvenation and collagen formation. The GHK-Cu Calculator computes the exact amount for your chosen vial and dose combination.
Calcolatore BPC-157 — Body Protection Compound
BPC-157 (Body Protection Compound-157) is a synthetic peptide derived from a protein in human gastric juice. It is valued for its regenerative properties and is extensively studied in research for tissue repair, tendon healing, and gut health. BPC-157 is one of the most commonly used peptides in regenerative medicine.
BPC-157 dosing is 200-500 mcg (0.2-0.5 mg) per day, typically divided into one or two subcutaneous injections. Many users start with 250 mcg (0.25 mg) once daily and increase as needed. For a 5 mg vial with 2 ml BAC water, the concentration is 2.5 mg/ml. At a dose of 0.25 mg, you need 0.1 ml (10 IU on a U100 syringe). A 5 mg vial yields 20 injections. BPC-157 is preferably injected near the injury site — e.g., subcutaneously over the affected tendon or joint. For systemic applications (gut health), inject into the abdomen. The BPC-157 Calculator shows exactly how much to draw up.
TB-500 Calculator — Calculate Thymosin Beta-4 Dosage
TB-500 (Thymosin Beta-4) is a naturally occurring peptide found in nearly all animal and human tissues. It plays a central role in tissue repair and regeneration after injury. TB-500 promotes new blood vessel formation (angiogenesis), reduces inflammation, and supports cell migration to injured tissues.
TB-500 dosing is typically 2-5 mg per week, divided into 2-3 injections. A common loading phase consists of 4-6 weeks at 5 mg per week, followed by a maintenance dose of 2 mg per week. For a 5 mg vial with 2 ml BAC water, the concentration is 2.5 mg/ml. At a single dose of 2.5 mg, you need 1 ml (100 IU) — the BD MICRO-FINE+ 1.0 ml is the right choice here. TB-500 is often combined with BPC-157 for synergistic healing effects. Subcutaneous injection can be given at any site, as TB-500 works systemically.
More Peptides: CJC-1295, Ipamorelin, AOD-9604 & More
CJC-1295 no DAC — GHRH Analog
CJC-1295 no DAC (without Drug Affinity Complex) is a GHRH analog that stimulates natural growth hormone release. It is typically administered at doses of 100-200 mcg (0.1-0.2 mg) per injection, 1-3 times daily subcutaneously. Optimal use on an empty stomach, often in the evening before sleep. CJC-1295 is frequently combined with Ipamorelin to maximize GH release. Vials of 2-5 mg are common.
Ipamorelin — Growth Hormone Releasing Peptide
Ipamorelin is a selective GHRP (Growth Hormone Releasing Peptide) that stimulates growth hormone release without significantly affecting cortisol or prolactin levels. Dosing: 200-300 mcg (0.2-0.3 mg) per injection, 2-3 times daily. Particularly popular in combination with CJC-1295 no DAC for optimal GH stimulation, improved sleep quality, and fat reduction.
AOD-9604 — GH Fragment for Fat Burning
AOD-9604 is a modified fragment of human growth hormone (amino acids 177-191) that specifically stimulates fat burning without the insulin-resistant properties of the complete GH molecule. Standard dosing: 300 mcg (0.3 mg) once daily on an empty stomach. AOD-9604 has a favorable safety profile and is being studied for metabolic health and body composition.
PT-141 (Bremelanotide) — Melanocortin Agonist
PT-141 (Bremelanotide) is a melanocortin receptor agonist used to treat sexual dysfunction in both men and women. Unlike PDE5 inhibitors, PT-141 works via the central nervous system. Dosing: 1-2 mg subcutaneously, as needed (not more than once in 24 hours). Starting dose 0.5 mg for tolerability testing.
MOTS-c — Mitochondrial Peptide
MOTS-c is a mitochondrially-derived 16-amino-acid peptide that regulates glucose metabolism and mitochondrial function. Dosing: 5 mg once weekly subcutaneously. MOTS-c is being studied for its role in improving insulin sensitivity, endurance performance, and metabolic health.
Selank — Anxiolytic Peptide
Selank is a synthetic tuftsin analog with anxiolytic and nootropic properties. Dosing: 150-500 mcg (0.15-0.5 mg) per day, administered intranasally or subcutaneously. Selank affects the GABA system and serotonin metabolism without causing the typical side effects of benzodiazepines. Used for anxiety disorders and cognitive optimization.
SS-31 (Elamipretide) — Mitochondrial Protection
SS-31 (Elamipretide) is a mitochondrially-targeted peptide that stabilizes the inner mitochondrial membrane and optimizes ATP production. Dosing: 0.1-1 mg per day subcutaneously. SS-31 is being studied in clinical trials for mitochondrial myopathies, heart failure, and age-related functional decline.
Peptide Stacks: Glow Stack & Klow Stack
Glow Stack (GHK-Cu + BPC-157)
The Glow Stack combines GHK-Cu and BPC-157 in one formulation for maximum skin rejuvenation and tissue repair. GHK-Cu stimulates collagen and elastin production, while BPC-157 accelerates wound healing and reduces inflammation. The synergistic effect of both peptides leads to visible improvement in skin quality, elasticity, and wrinkle reduction. Dosing: 0.5-2 mg per day subcutaneously.
→ Calculate Glow Stack dose now
Glow Stack bei Bergdorf Bioscience →
Klow Stack (Anti-Aging Blend)
The Klow Stack is a specialized anti-aging blend targeting cellular regeneration and longevity. This stack combines regenerative peptides for holistic anti-aging effects — from cell repair to mitochondrial protection to skin quality improvement. Dosing: 0.5-2 mg per day subcutaneously. Ideal as a complement to a comprehensive anti-aging strategy.
How the Peptide Mixing Calculator Works
Correctly mixing (reconstituting) a lyophilized peptide is the most important step before injection. The basic formula is simple: Concentration = Peptide amount (mg) ÷ BAC Water (ml). From the concentration, the injection volume is calculated: Volume (ml) = desired dose (mg) ÷ Concentration (mg/ml). Finally, milliliters are converted to insulin units: IU = Volume (ml) × 100 (for U100 syringes).
Step-by-step guide: (1) Disinfect the rubber stoppers of both the peptide vial and BAC water with alcohol swabs. (2) Draw the desired amount of BAC water with an insulin syringe. (3) Inject the BAC water slowly along the inner wall of the peptide vial — never spray directly onto the powder, as this can damage the peptide. (4) Gently swirl the vial until the powder is completely dissolved. Do not shake! (5) Store the reconstituted peptide in the refrigerator at 2-8°C.
Common mistakes when mixing peptides: Spraying directly onto the powder (denatures the peptide), shaking instead of swirling (destroys molecular structure), using sterile water instead of BAC water (no antimicrobial properties, shorter shelf life), and improper storage after reconstitution. Our peptide mixing calculator completely eliminates calculation errors and shows you the exact amount for your configuration.
BAC Water: Bacteriostatic Water for Peptides
Bacteriostatic water (BAC water) is sterile water containing 0.9% benzyl alcohol as a preservative. This additive prevents bacterial growth and allows multiple withdrawals from a vial over a period of typically 28 days. In contrast, sterile water (NaCl 0.9%) is only suitable for single use — contamination risk exists immediately after opening. BAC water is therefore the gold standard for reconstituting peptides that will be used over multiple days or weeks. The recommended amount of BAC water varies by peptide and desired concentration — typically 1-5 ml. Less BAC water yields a higher concentration (less injection volume), while more BAC water yields a lower concentration (easier dosing for very small doses). Our calculator computes the optimal combination automatically.
Choosing the Right Insulin Syringe for Peptides
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For subcutaneous peptide injections, insulin syringes with fine needles (30G or finer) are recommended. The choice of syringe size depends on the injection volume. U100 syringes have a scale of 100 insulin units per milliliter and are the standard for peptide applications.
BD MICRO-FINE+ Demi 0.3 ml (30G × 8mm): Ideal for small volumes up to 0.3 ml / 30 IU. Perfect for low titration doses of Retatrutide, Semaglutide, or BPC-157. The finer scale enables more precise dosing. BD MICRO-FINE+ 0.5 ml (30G × 8mm): The standard for medium volumes up to 0.5 ml / 50 IU. Suitable for most peptide applications and medium titration doses. BD MICRO-FINE+ 1.0 ml (33G × 12.7mm): For larger volumes up to 1.0 ml / 100 IU. Necessary for high doses such as TB-500 (2.5 mg) or Tirzepatide in advanced titration.
Pen needles (e.g., BD Micro-fine+ 4mm, 32G) are designed exclusively for pre-filled pens and cannot be used for vial-based injections. They are shorter and finer than syringe needles and are excellent for pre-filled pens with pre-mixed solution.
Proper Peptide Storage: Cold Chain & Shelf Life
Proper storage determines the efficacy and safety of your peptides. Lyophilized (freeze-dried) peptides in unopened vials are stable at room temperature for several months but should ideally be stored at 2-8°C in the refrigerator. Direct sunlight and temperatures above 25°C significantly reduce shelf life. After reconstitution with BAC water, peptides must always be stored in the refrigerator at 2-8°C. Shelf life after mixing is typically 21-30 days, depending on the specific peptide. GLP-1 agonists (Semaglutide, Tirzepatide, Retatrutide) are stable for approximately 28 days after reconstitution. Repair peptides (BPC-157, TB-500) last about 21 days refrigerated. Label each vial with the reconstitution date and concentration. For travel: Use an insulated bag with ice packs and avoid freezing.
Safe Disposal — Sharps Container
After every injection, needles and syringes must be safely disposed of in a certified sharps container. Never throw used needles in household waste or recycling — needlestick injuries from improperly disposed sharps pose a serious health risk. The HaseMed sharps container is available in two sizes: 2.5L for extended use and 0.5L as a compact travel option. Both containers are puncture-resistant, lockable, and meet medical standards. Full containers can be returned free of charge to pharmacies, medical practices, or municipal collection points.
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