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The 25-40% lean mass loss data was real. It was also published on the maximum FDA permitted dose. Here's the dose response curve, the protein math, and the training architecture that actually preserves muscle.
A clinical comparison of four approaches to body recomposition and their design for preserving lean mass during a deficit.
| Microdose GLP-1 + Protocol | Full Dose GLP-1 Only | Diet + Training Only | No Intervention | |
|---|---|---|---|---|
| Dose calibrated to training context | ✓ | ✗ | ✗ | ✗ |
| Protein intake guidance included | ✓ | ✗ | Varies | ✗ |
| Training architecture integrated | ✓ | ✗ | ✓ | ✗ |
| Appetite and food noise control | ✓ | ✓ | ✗ | ✗ |
| GI side effect burden | Low (microdose) | High (44% nausea) | None | None |
| Lean mass loss rate | Lower (slower deficit) | 25–39% of total loss | Varies by protocol | Age related ongoing loss |
| Performance Stack (NAD+, Carnitine, B12) | ✓ | ✗ | Varies | ✗ |
| Planned step down from day one | ✓ | ✗ | ✗ | ✗ |
Comparison reflects published clinical literature and general prescribing practice patterns. Lean mass loss percentages from STEP-1 and SURMOUNT-1 body composition sub analyses. GI nausea rate from STEP-1 (Wilding et al., NEJM 2021). Individual results vary. GLP-1 medications are not FDA approved for the specific indication of muscle preservation.
STEP-1 ran semaglutide 2.4mg weekly. SURMOUNT-1 ran tirzepatide 15mg weekly. Both maximum dose. DEXA sub analyses showed approximately 39% of weight lost as lean mass in the highest loss patients. The data is real. These are properties of the maximum dose protocol, not the medication itself.
STEP-1 ran semaglutide at 2.4mg weekly. SURMOUNT-1 ran tirzepatide at 15mg weekly. Both produced significant weight loss, and both produced the body composition signal that has dominated GLP-1 headlines.
Lower dose protocols are increasingly used in clinical practice, particularly for patients who don't need the maximum weight loss outcome and prefer to preserve lean mass. The published dose response data shows that weight loss scales with dose, but not linearly, and the highest loss patient subgroups, where the lean mass signal is strongest, are concentrated at the top of the dose curve.
A licensed provider can discuss whether a lower dose protocol is appropriate for your situation.
Three mechanisms, all dose dependent:
At microdose, all three mechanisms shift. Same medication. Different protocol. Different outcome.
Non negotiable for lean mass preservation. Target body weight, not current weight, as protein synthesis scales with lean mass. A 180 lb target means 180g daily, spread across 4 to 5 feedings of 35 to 45g each. The trap: most lifters who think they are hitting 1g per pound are actually at 0.7 to 0.85g per pound when they log their intake for 28 consecutive days.
Slowed gastric emptying makes solid food feel heavier than it is. Whey isolate and casein fill the gap without the volume. Leucine density matters more in a deficit, and higher leucine sources trigger stronger protein synthesis per gram than lower quality alternatives.
Three programming adjustments apply:
Numbers should hold or rise on heavy compounds during a successful cut. If they are dropping consistently, deficit management, protein intake, or recovery is broken.
Recomp is fat loss plus lean mass preservation, with strength markers holding or rising. Track these instead: body composition via DEXA every 6 months or InBody weekly, strength markers on bench, squat, and deadlift, visceral fat and waist circumference, and bloodwork including fasting insulin, A1C, lipid panel, testosterone, and SHBG.
Body weight can hold constant for six weeks while body fat drops 3 to 4 percentage points. That is a successful cut by any meaningful measure.
Standard GLP-1 programs often become indefinite prescriptions. Patients who stop abruptly regain 60 to 75 percent of lost weight within a year. The Aurelius microdose protocol plans the full trajectory upfront: titration, maintenance, and a structured taper. For lifters who already cycle their training, the exit plan is what makes this clinically defensible.
The Performance protocol combines:
Your subscription includes physician consultation, prescription review, the full Performance Stack from a US licensed pharmacy, monthly check ins, and optional lab retesting at 12 and 26 weeks. If you are not a candidate after intake, you will not be charged.
These figures are drawn from published GLP-1 clinical trials and body composition sub analyses. They reflect research populations, not Aurelius specific outcomes. Individual results vary.
Sources: STEP-1 body composition sub analysis (Rubino et al., NEJM Evidence 2022); Obesity Reviews meta analysis on resistance training and GLP-1 (2022); STEP-1 withdrawal study (Wilding et al., Diabetes Care 2022). GLP-1 medications are not FDA approved for the specific indication of lean mass preservation. These figures represent research populations and individual outcomes will vary.
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Patient Experiences
Real patients. Individual results vary. Shared with permission.
My biggest concern wasn't the weight; staying strong mattered just as much. I lift four days a week and I wasn't willing to give that up. My doctor and I worked out a plan together, and I've kept up my training the whole way through. It feels like the program was built around my life, not the other way around.
I went in skeptical. I'd read enough scary things online about side effects that I almost didn't start. What I actually experienced was a slow, steady process where I could text my doctor anytime something felt off, and we adjusted. I wish I'd known how much support there'd be. That's what made it work for me.
I'm a software engineer. I sit for ten hours a day, and the weight had been creeping up for over a year. I went in skeptical, I'd read the scary side effect threads and almost didn't start. What I actually got was slow and steady, built around how I already lived instead of asking me to rebuild my life. Anything felt off, I messaged my doctor and we adjusted. I didn't expect the support to be the thing that mattered most, but it was. That's what brought my control and confidence back.
If the dose response curve maps to how you already train, the next step is a 5-minute intake. A board certified MD or DO reviews your training context within 48 hours. If you are not a fit, you will know, and you will not be charged.
Check EligibilityPublished dose response data shows that weight loss scales with GLP-1 dose, but not linearly. Lower dose protocols are increasingly used in clinical practice for patients who want meaningful fat loss without the aggressive caloric deficit that drives lean mass loss at maximum doses. The appetite modulation that supports fat loss persists at lower doses. What changes is the magnitude of the deficit and, with it, the lean mass signal. A licensed provider can assess whether a lower dose protocol is appropriate based on your specific situation.
Microdose tirzepatide (dual GIP and GLP-1 receptor agonism), NAD+, L-Carnitine, and methylcobalamin (active B12). The medication handles appetite modulation and insulin dynamics; the supporting compounds address the cellular energy systems that training depends on. Your specific dose is calibrated by your physician based on your intake, training volume, and metabolic history.
Most patients on microdose protocols report training feels normal to good during the recomposition window at weeks 5 to 8. Standard deficit adjustments apply: drop redundant accessory volume, keep compound movements heavy, target RPE 7 to 8 for most sets with one or two RPE 9 to 10 per session. If numbers are dropping consistently across multiple sessions, deficit management, protein intake, or recovery is off and the protocol is adjusted accordingly.
1g of protein per pound of target body weight per day, spread across 4 to 5 feedings. Non negotiable for lean mass preservation. Most lifters who believe they are hitting target are actually at 0.7 to 0.85g per pound when they log for 28 consecutive days. The intake process reviews your current protein math and the physician sets a specific target before the protocol begins.
Microdose GLP-1 protocols are not appropriate for patients with personal or family history of medullary thyroid carcinoma or MEN2, or a history of pancreatitis. Patients on certain interacting medications are also not candidates. Lifters whose protein intake is consistently below 0.8g per pound of target body weight are not strong candidates until that baseline is addressed. The intake screens for all exclusion criteria and the physician will notify you within 48 hours if you are not a fit, and you will not be charged.
$89 first month. $199 every month after. Billed monthly, no long term contract. Cancel anytime through your patient portal before your next billing cycle. Lab testing costs are separate and typically covered by most insurance plans when ordered by a licensed physician.
The GLP-1 medications prescribed are FDA approved prescription medications for FDA cleared indications including chronic weight management and type 2 diabetes. The specific microdose protocol structure represents a clinical approach to prescribing and has not been independently evaluated by the FDA as a distinct treatment category. Muscle preservation is a clinical goal of the protocol design, not a separate FDA cleared indication.
Yes. No long term contract. Cancel anytime before your next billing cycle through your patient portal. There is no cancellation fee and no minimum commitment period.