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Tool · Weight loss

Retatrutide Weight Loss Projection

Estimate your weight loss timeline on Retatrutide using your personal stats and Phase 2 trial data from Jastreboff et al., NEJM 2023. Individual results vary widely, this is a model rather than a forecast, and nothing here is medical advice or a protocol. If you came looking for reconstitution and syringe maths, that is the retatrutide dosage calculator.

Mean trial loss

24.2%

Trial duration

48 wk

Max dose

12 mg/wk

Mechanism

GIP/GLP-1/GCG

Personal stats

Inputs

Units
35 years
18 years80 years
2000 kcal
1000 kcal4000 kcal
90 kg
50 kg200 kg
75 kg
40 kg195 kg
175 cm
140 cm220 cm

Output

Results

Enter your stats above and run the calculation to see your projection.

A projection is only useful if the supply behind it is continuous, since every modelled week assumes a dose actually landed. Our partner and supplier lists retatrutide 15mg in pesos from local stock. Buy retatrutide in the Philippines

Recommendation

Protocol

Run the calculation to get a recommended protocol.

Methodology

Sources & assumptions

  • Trial reference:Jastreboff AM, et al. “Triple-Hormone-Receptor Agonist Retatrutide for Obesity.” N Engl J Med. 2023;389(6):514-526. Phase 2 trial showed 24.2% mean weight loss at 12mg over 48 weeks.
  • BMR equation: Mifflin-St Jeor (10·kg + 6.25·cm − 5·age + 5/−161 for male/female).
  • Weekly loss model: 0.5% body weight base rate × activity bonus + calorie deficit (7700 kcal/kg).
  • Individual results vary. Educational use only. Does not constitute medical advice.

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Related

Our partner and supplier

Holding a schedule across the modelled weeks

Primara Labs, our partner and supplier, lists retatrutide 15mg at PHP 3,325, PHP 2,990 with the standing 10% off, shipped from stock already inside the Philippines. Metro Manila is same day and the rest of the country is one to three business days, which is what makes an unbroken weekly schedule realistic rather than theoretical.

Buy retatrutide in the Philippines