GLP-1 medications
GLP-1 is a hormone your gut releases after you eat — it tells your brain you're full and helps your body manage blood sugar. GLP-1 medications (semaglutide, tirzepatide, and newer molecules) copy that signal, which is why they're so widely studied for weight management and metabolic health.
The articles below explain how these medications work, what the research actually shows, and what side effects and dosing schedules look like in practice. Promise offers compounded GLP-1 medications by prescription only: a licensed provider reviews every request, and not everyone qualifies.
250 articles on this topic
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Tirzepatide Benefits: What the Trials Show
Tirzepatide benefits are best established for weight reduction and blood-sugar control, with a branded indication for moderate-to-severe sleep apnea in adults with obesity. Heart failure, liver, blood-pressure and lipid findings are promising but narrower.
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Tirzepatide Constipation: How Long It Lasts
Tirzepatide constipation is common, especially in the first weeks and after dose increases. It often eases as treatment stabilizes, while severe or persistent symptoms need a clinician’s attention.
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Is Tirzepatide FDA Approved? Not When Compounded
Tirzepatide has branded approvals under Mounjaro and Zepbound. A compounded preparation is different from an FDA-approved product: the formulation offered here is not FDA-approved.
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Liraglutide vs Semaglutide: A Clear Comparison
Both are GLP-1 medicines, but liraglutide is usually injected daily and semaglutide weekly. Head-to-head trials show why the treatment goal and dose matter as much as the molecule.
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Semaglutide Constipation: What Helps
Semaglutide constipation is common during initiation and dose escalation. It usually eases, but it can last longer than other stomach side effects and deserves a clear plan with the prescriber.
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Tirzepatide Long-Term Side Effects: 3-Year Data
Three-year weight-management data and four-year cardiovascular data have not revealed a new late safety signal. They also do not tell us what decades of exposure will look like.
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What Happens When You Stop Taking Tirzepatide?
Appetite suppression fades as tirzepatide clears, and weight regain is common but neither immediate nor inevitable. SURMOUNT-4 shows the difference between stopping and continuing over one year.
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Peptides for Insulin Resistance: Evidence
The evidence runs from large clinical trials for semaglutide and tirzepatide to animal and observational research for MOTS-c. Those are not interchangeable levels of certainty.
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Does Semaglutide Cause Muscle Loss?
Semaglutide-related weight loss can include a drop in lean mass, but DXA lean mass is not the same as skeletal muscle. STEP 1 found fat fell faster than lean tissue, improving lean mass as a share of body weight.
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Tirzepatide for Type 2 Diabetes: Trial Results
Across the SURPASS trials, adults assigned to tirzepatide had average HbA1c reductions of roughly 1.9 to 2.4 percentage points over 40 to 52 weeks. The right comparison depends on a person's existing diabetes treatment and clinical risks.
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Can You Use HSA for GLP-1? Eligibility Rules
A prescribed GLP-1 may be HSA- or FSA-eligible when it treats a physician-diagnosed condition. The diagnosis, documentation and administrator's rules determine whether a claim is accepted.
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GLP-1 Drops: What the Absorption Evidence Shows
GLP-1 drops promise a needle-free shortcut, but the delivery system is the whole question. No published human clinical evidence yet shows that sublingual semaglutide drops achieve meaningful absorption or weight-loss efficacy.
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How Long Does GLP-1 Nausea Last?
A semaglutide nausea episode lasted a median of 8 days in pooled weight-management trials. Symptoms usually cluster around starting treatment and dose increases, then ease as titration settles.
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Does Semaglutide Make You Tired? What Trials Show
Yes, fatigue can happen, though it was reported by a minority of people in STEP trials. The timing and accompanying symptoms help distinguish low intake or dehydration from hypoglycemia or another cause.
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Semaglutide and Alcohol: What to Know
There is no listed direct interaction between semaglutide and alcohol, but the combination can make nausea, dehydration, low blood sugar, and pancreatitis risk more important.
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What Happens When You Stop Taking Semaglutide
Appetite commonly returns as semaglutide clears, and some weight regain is likely. Trials show why stopping is better treated as a long-term care decision than as a test of willpower.
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Does Tirzepatide Make You Tired? What Trials Say
Fatigue was reported by 5–7% of trial participants on tirzepatide against 3% on placebo. The more useful question is what is actually causing it.
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Does Insurance Cover Tirzepatide? 2026 Guide
Insurance may cover Mounjaro for type 2 diabetes, while Zepbound coverage for obesity or sleep apnea depends on the plan. Compounded tirzepatide is generally self-pay.
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How Long Does Tirzepatide Stay in Your System?
Tirzepatide usually takes about 25–30 days to fall to a small fraction of its starting level after the last dose. Its five-to-six-day half-life explains that estimate, but side effects and clinical effects do not end on one exact day.
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Tirzepatide Diarrhea: How Long It Lasts
Diarrhea is common with tirzepatide, especially after treatment begins or the dose increases. It is usually temporary, but persistent symptoms can cause dehydration and deserve a clinician's attention.
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