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GLP-1 Weight Loss Projection

Starting Weight (lbs)

Duration (months)

Medication Efficacy % (15=semaglutide, 21=tirzepatide)

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We're working on a comprehensive educational guide for the GLP-1 Weight Loss Projection in your language. The content below is shown in English.

Ni nini GLP-1 Weight Loss Projection?

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The GLP-1 Weight Loss Projection calculator estimates expected percentage of body weight loss over time based on clinical trial data for semaglutide and tirzepatide. It uses average weight loss curves from landmark trials like STEP and SURMOUNT to provide realistic month-by-month projections.

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Fomula

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f(x)Projected Weight at Week W = Starting Weight × (1 - Expected %BWL at Week W / 100)

Maelezo ya kigezo

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Ishara	Jina	Kitengo	Maelezo
W₀	Starting Weight	lbs or kg	Body weight at treatment initiation
%BWL	Expected Body Weight Loss	%	Mean percentage weight loss from clinical trial data for selected medication and dose
W	Week Number	weeks	Number of weeks since starting treatment
W_t	Target Weight	lbs or kg	Projected weight at the given time point

Jinsi ya GLP-1 Weight Loss Projection

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1Enter your current weight, height, and selected GLP-1 medication
2Choose your target dose and whether you are combining with lifestyle intervention
3The calculator plots a month-by-month weight loss curve based on clinical trial averages
4View projected weight at 3, 6, 12, and 18 months alongside clinical trial benchmarks

Mifano Iliyotatuliwa

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Mfano 1

Imetolewa:220 lbs starting weight on semaglutide 2.4 mg (Wegovy)

Matokeo:Projected weight at 68 weeks: 220 × (1 - 0.149) = 187.2 lbs, a loss of 32.8 lbs (14.9% body weight per STEP 1 trial)

Mfano 2

Imetolewa:250 lbs starting weight on tirzepatide 15 mg (Zepbound)

Matokeo:Projected weight at 72 weeks: 250 × (1 - 0.208) = 198 lbs, a loss of 52 lbs (20.8% body weight per SURMOUNT-1 trial)

Matumizi ya vitendo

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Patients setting realistic weight loss expectations before starting GLP-1 therapy

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Physicians counseling patients on likely outcomes to improve medication adherence

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Insurance companies assessing expected clinical benefit for coverage approval

Maswali yanayoulizwa mara kwa mara

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How much weight will I actually lose on Ozempic or Wegovy?

Clinical trials show average weight loss of 14.9% of body weight on semaglutide 2.4 mg (Wegovy) over 68 weeks. Individual results vary widely — some patients lose 20%+ while others lose less than 5%. Lifestyle modifications significantly improve outcomes.

Is tirzepatide more effective than semaglutide for weight loss?

Head-to-head data from the SURMOUNT trials show tirzepatide 15 mg achieves roughly 20.8% body weight loss vs. semaglutide's 14.9%, though direct comparison trials are ongoing. Both are significantly more effective than prior anti-obesity medications.

Makosa ya Kawaida ya Kuepuka

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!Expecting linear weight loss — GLP-1 weight loss follows a curve that plateaus around 60-72 weeks
!Not accounting for starting BMI: patients with higher BMI often lose a greater absolute amount but similar percentage
!Comparing results directly between medications without considering dose differences and trial populations

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Kidokezo cha Pro

Weigh yourself at the same time each week (morning, after bathroom, before eating) and track the trend line rather than daily fluctuations for the most accurate comparison to projected results.

Marejeo

📖Ugumu:Mwanzo

Accuracy-checked

Reviewed October 2026

Our methodology

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