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GLP-1 Weight Management, Titration & Muscle Preservation — 2 Discussions & 128 Outcome Logs

Tirzepatide & Semaglutide slow titration schedules, breaking 4-week scale stalls, 1.3g/kg protein + lifting to protect muscle, and maintenance dosing.

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Filter by Topic: All (2) Tirzepatide Semaglutide Whey Protein Isolate Creatine Monohydrate ★ “What Worked For Me”
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★ Top-Rated in GLP-1s, Weight & Muscle: Tirzepatide (Zepbound / Mounjaro) (4.9 / 5 • 96% Worth It) ▾
Tirzepatide (Zepbound / Mounjaro) 96% Worth It (4.9 / 5)

Winning Protocol: Stay on lowest effective dose (5–7.5 mg/wk) + 1.3g/kg protein + 3x/wk lifting.

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Open Question @GraniteHiker_NH • 60+M • Tirzepatide + Creatine 5g • Week 30
3 Replies

For those down 35+ lbs on a GLP-1: what daily protein, lifting, and lab routine kept your muscle strength up and stopped telogen hair shedding?

At age 62, my biggest worry starting a GLP-1 was losing leg and grip strength (sarcopenia) or looking gaunt. Early on, my appetite was so suppressed that if I didn't plan ahead, I'd accidentally finish the day at 55 grams of protein. What turned it around for me was treating protein and resistance training like part of the prescription: a 30g whey isolate shake at 9 AM, 40g lean protein at lunch and dinner, 5g Creatine Monohydrate daily, and 35 minutes of progressive resistance training 3x/week. My grip strength and squat numbers are actually higher now at 192 lbs than they were at 235 lbs! For anyone who noticed hair shedding or fatigue around month 4, what labs (ferritin, zinc, D3, B12) or nutrition fixes helped you most?

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Rapid caloric restriction >1,000 kcal/day can trigger transient telogen effluvium 3–4 months after onset and accelerate lean mass loss if protein falls below 1.2 g/kg/day. Checking serum ferritin (target >50 ng/mL), 25(OH) Vitamin D, zinc, and B12 helps correct reversible nutritional triggers.

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@FerritinClimb_PA • 30–44F • Semaglutide 1.0 mg/wk • Week 28

When my hair started shedding at month 4 after losing 30 lbs, my dermatologist checked my ferritin and it had dropped to 16 ng/mL! Getting protein above 100g/day and taking iron bisglycinate every other day brought my ferritin above 55 ng/mL and stopped the shedding.

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@DriftlessAngler_WI • 60+M • Tirzepatide 10 mg/wk • Week 36

Clear whey protein isolate mixed in cold water saved me on days 2 and 3 after my shot when a thick milky shake felt too heavy on my stomach. 25g of leucine-rich protein goes down just like lemonade.

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@ShenandoahTrail_VA • 45–59F • Tirzepatide 7.5 mg/wk • Week 32

Resistance bands and dumbbell Romanian deadlifts twice a week kept my glutes and posture strong. Don't wait until you hit goal weight to start lifting—start in month 1!

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Obesity Hair Loss & Ferritin Rx: Tirzepatide Rx: Semaglutide Whey Protein Isolate Creatine Monohydrate
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Open Question @MigraineFreeDays_GA • 30-44M • Whey isolate 25-30 g x3 / Cr • Week 12
2 Replies

How much protein and resistance training do I need on tirzepatide to protect muscle, and is creatine safe to add?

In the SURMOUNT-1 DXA substudy, roughly a quarter of tirzepatide weight loss was lean mass. Semaglutide body-composition data (STEP 1) showed a somewhat higher lean share, about 39%. Lean mass is not all skeletal muscle, but the loss still matters. No drug label sets a protein target. Common clinical practice for adults losing weight is about 1.2-1.6 g/kg/day, with kidney disease needing individual limits. A 90 kg person would aim for roughly 110-145 g daily, split into 3-4 servings of 25-35 g. Whey protein isolate helps when appetite is low. Resistance training 2-3 days per week, working the major muscle groups close to fatigue, has the strongest evidence for preserving muscle during weight loss. Creatine monohydrate at 3-5 g/day is well studied for strength, but it can raise serum creatinine by about 0.1-0.3 mg/dL without changing true kidney function. Tell your clinician before lab draws.

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The SURMOUNT-1 DXA substudy (Look et al., Diabetes Obes Metab 2025) reported lean mass at about 25% of total weight lost on tirzepatide. NIH ODS and ISSN position stands support creatine monohydrate at 3-5 g/day for strength, with transient serum creatinine increases being non-pathologic.

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@SaltMarshBirder_SC • Verified Cohort Member • Week 22

If eGFR is below 60 or you have known kidney disease, get individualized protein and creatine advice first. A cystatin C-based eGFR separates creatine's effect on creatinine from true kidney change. Also note that protein powder with added sugar alcohols can worsen bloating on GLP-1 therapy.

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@CanyonCyclist_UT • Age 45-59 • Week 20

I use 30 g whey isolate at breakfast and a Greek yogurt snack, then lift 3 days a week. A food scale for two weeks helped me see I was only getting about 70 g/day before.

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Pseudonymous @Handle • Zero-PHI Protected
Obesity Type 2 Diabetes Rx: Tirzepatide Rx: Semaglutide Whey Protein Isolate Creatine Monohydrate
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