Limitless Clinic
Weight LossMetabolic

Retatrutide

A multi-receptor metabolic peptide for appetite and weight.

Retatrutide peptide vial

Available options

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Price
€90.00
1

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Bundles with Retatrutide

Retatrutide peptide vial
5-Amino-1MQ peptide vial
MOTS-c peptide vial
10% off

Metabolic Stack

Weight, energy and metabolism.

Includes
€184.50
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What is it?

Retatrutide is a multi-receptor peptide studied for appetite and metabolic health. It acts on three gut-hormone pathways rather than one or two.

Why people choose it

  • Acts on three receptor pathways
  • Used for appetite and body-composition goals
  • Available as a vial or a pre-filled pen
  • Same family as Semaglutide and Tirzepatide

What is it used for?

  • Appetite and weight goals
  • Blood sugar support
  • Metabolic health
  • Body composition

How it works

Retatrutide acts on more than one of the gut-hormone pathways involved in appetite and metabolism.

Good to know

  • Available in 10mg, 20mg and a 30mg pen.
  • Same family as Semaglutide and Tirzepatide.
  • Dose is stepped up gradually so your body adjusts comfortably.

Dose calculator

Weight loss

Enter a few details to see an illustrative protocol for this peptide.

Bodyweight
Height (cm)
Body type
Approach
Your protocol
Dose amount4 mg
FrequencyOnce a week
Cycle length48 weeks · ≈ 11 months
Per week1 ×/week
Total per cycle172 mg
BMI25.2
Est. weight change−13.6 kg
Projected weight≈ 66.4 kg
What you'd need to buyRetatrutide
18×10mg
9×20mg
6×30mg
6×30mg (pen)

Vials/pens to cover the full cycle at this dose.

Timeline
Wk 1–2
Ramp up
Wk 3–48
Maintain
Wk 48+
Review

How a typical cycle is structured over time (for reference).

How to doseRetatrutide
Pen dosing30mg
40clicks · at target
40
Per click0.1 mg
Doses per pen7
Mixing & syringe10mg
40units · 0.4 ml · at target
020406080100
Add water1 ml
Concentration10 mg/ml
Titration schedule
WeeksDoseClicksunits
1–41 mg1010
5–82 mg2020
9–484 mg4040

Start low and step the dose up every few weeks so your body adjusts comfortably. Reconstitute once, then draw more units as you climb.

No mixing needed. Dial the pen to the number of clicks shown, then press to inject. 1 click = 0.1 mg.

Dosage protocol

Mixing amounts, dose steps and syringe draw volumes for this peptide.

RouteSubcutaneous injection
Cycle length24–48 weeks

Mixing (reconstitution)

VialAdd BAC waterConcentration1 unit (0.01 ml)
10 mg1.0 ml10.0 mg/mL100 mcg
20 mg2.0 ml10.0 mg/mL100 mcg
30 mg3.0 ml10.0 mg/mL100 mcg

Dosing schedule

StandardFrequency: Once weekly
PhaseDoseUnitsVolume
Weeks 1–42 mg20 units0.20 ml
Weeks 5–84 mg40 units0.40 ml
Weeks 9–126 mg60 units0.60 ml
Weeks 13+8 mg80 units0.80 ml
AdvancedFrequency: Once weekly
PhaseDoseUnitsVolume
Weeks 1–42 mg20 units0.20 ml
Weeks 5–84 mg40 units0.40 ml
Weeks 9–128 mg80 units0.80 ml
Weeks 13+12 mg120 units1.20 mlsplit into 2 injections at different sites

Storage

Powder (unmixed)−20 °C
After mixing2–8 °C
Use within4 weeks
  • Avoid freeze-thaw cycles

Technique

  • Clean the vial stopper and the skin with an alcohol swab and let both air-dry.
  • Pinch a skinfold and insert the needle at 45–90° into the subcutaneous tissue.
  • Do not aspirate for subcutaneous injections. Inject slowly and steadily.
  • Wait 5–10 seconds before withdrawing, then apply gentle pressure. Do not rub the site.
  • Rotate sites between the abdomen (at least 5 cm from the navel), thighs and upper arms to avoid lipohypertrophy.
  • Use a new sterile 28–31 G insulin syringe every time and dispose of it in a sharps container.

Questions before you order?

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