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.

136 articles on this topic

  1. A woman in a sage shirt and charcoal trousers sits beside a raised garden bed with a small pot of seedlings in her lap

    Semaglutide Pyridoxine: What Vitamin B6 Adds

    Semaglutide/pyridoxine is a compounded combination of semaglutide and vitamin B6. Some compounders add B6 with nausea in mind, but no clinical trial has shown that the combination reduces GLP-1 nausea.

    September 5, 2026 · Priya Raman, Health Writer

  2. A woman in navy knitwear sits by a window holding a plain mug

    Tirzepatide vs Semaglutide Side Effects

    Neither medication has fewer side effects in every setting: dose, treatment population and the individual matter more than a simple ranking.

    September 5, 2026 · Julian Reyes, Health Writer

  3. Two friends in armchairs compare treatment options over plain mugs in a sunlit room

    LillyDirect Tirzepatide vs Compounded Tirzepatide

    LillyDirect supplies branded Zepbound in fixed-strength single-dose vials. Compounded tirzepatide is prepared by a licensed pharmacy for an individual prescription, so it is a different finished product and a different fulfillment route.

    September 4, 2026 · Nadia Okonjo, Health Writer

  4. A woman in a cream jumper and charcoal trousers sits with a mug beside a sunlit window in the morning

    Semaglutide Glycine: Why Some Pharmacies Add It

    Semaglutide with glycine is a compounded combination. Glycine may be described as a formulation aid or wellness additive, but no clinical trial shows that the pairing improves semaglutide outcomes.

    September 4, 2026 · Nadia Okonjo, Health Writer

  5. A woman in a blue shirt and charcoal trousers sits on an entryway bench to lace a sneaker

    Semaglutide Injections: A Practical Guide

    Semaglutide is usually injected once a week, but the device, missed-dose rule, storage window and disposal steps depend on the exact product prescribed.

    September 4, 2026 · Priya Raman, Health Writer

  6. A woman sits on the edge of a raised garden bed holding a pot of seedlings

    Tirzepatide for Weight Loss: What to Know

    Tirzepatide for weight loss is a once-weekly prescription treatment studied alongside diet and physical activity. Here is who SURMOUNT-1 enrolled, what it found, and what long-term care involves.

    September 4, 2026 · Elena Marsh, Health Writer

  7. A woman in a sage jumper and navy trousers sits by a window holding a plain mug

    Does Semaglutide Expire? Pens, Vials, and BUDs

    Yes, semaglutide expires, but the date depends on whether it is an Ozempic pen, a Wegovy single-dose pen, or a compounded vial. The printed expiration date or beyond-use date always wins.

    September 3, 2026 · Julian Reyes, Health Writer

  8. A woman in a cream jumper sits by a window holding a plain ceramic mug

    Is Semaglutide the Same as Ozempic?

    Ozempic is a Novo Nordisk product that contains semaglutide. Compounded semaglutide may name the same base molecule, but it is not Ozempic and the finished products are not interchangeable.

    September 3, 2026 · Julian Reyes, Health Writer

  9. A woman in a blue blouse sits at a matte-white kitchen counter peeling an orange

    Semaglutide for Weight Loss: What It Involves

    Semaglutide for weight loss is a prescription treatment used alongside lower-calorie eating and physical activity. Its effects build over months, and individual results depend on continued treatment, tolerability, and clinical fit.

    September 3, 2026 · Julian Reyes, Health Writer

  10. A man in a navy shirt and charcoal trousers sits on an entryway bench to lace a sneaker

    Tirzepatide Injections: A Practical Guide

    Tirzepatide injections deliver prescribed tirzepatide under the skin once weekly. The device may be a prefilled pen, a four-dose KwikPen, or a vial used with a syringe, and each format has its own instructions.

    September 3, 2026 · Nadia Okonjo, Health Writer

  11. A woman in a sage top and navy trousers walks a quiet desert trail in morning light

    Does Semaglutide Cause Depression? What We Know

    Large trials, cohort studies, and final FDA and European reviews have not found that semaglutide raises depression or suicidality risk. Individual mood changes still deserve prompt attention.

    September 2, 2026 · Nadia Okonjo, Health Writer

  12. A woman kneels at a raised vegetable bed and gathers tomatoes into a wooden bowl

    Foods to Avoid on Tirzepatide: A Practical Guide

    There is no universal ban list. Smaller portions and fewer fried, high-fat, fizzy, or alcohol-heavy choices may make nausea, reflux, bloating, and fullness easier to manage.

    September 2, 2026 · Elena Marsh, Health Writer

  13. A woman in a sage top and navy trousers waters a houseplant during her morning routine

    How Long Do Peptides Take to Work?

    Peptide timelines range from hours on a lab test to months on a scale. The useful answer depends on the molecule, the outcome being measured and the quality of the evidence behind it.

    September 2, 2026 · Elena Marsh, Health Writer

  14. A woman rests on a bench after a quiet strength session in a sunlit neighborhood gym

    Peptides With Semaglutide: What the Evidence Says

    Evidence gaps depend on the specific peptide combined with semaglutide; [cagrilintide–semaglutide has randomized phase 3 trial data](https://pubmed.ncbi.nlm.nih.gov/40544433/), while the combinations discussed here do not. A provider has to judge each compound on its own evidence, risks, and purpose.

    September 2, 2026 · Priya Raman, Health Writer

  15. A woman in a cream sweater stands beside a sunlit window holding a plain ceramic cup

    Semaglutide and Pancreatitis: What Studies Show

    Randomized trials have not shown more acute pancreatitis with semaglutide than with placebo, but the event is rare and remains a prescribing-label warning. Persistent, severe abdominal pain needs prompt medical attention.

    September 2, 2026 · Priya Raman, Health Writer

  16. A man in a sage shirt prepares vegetables in a quiet matte-white kitchen

    Semaglutide for Fatty Liver: What Evidence Shows

    Semaglutide has strong biopsy-based evidence in adults with MASH and F2–F3 fibrosis. That is narrower than “fatty liver,” and it does not make every semaglutide formulation interchangeable.

    September 2, 2026 · Julian Reyes, Health Writer

  17. Two friends in full-length casual clothes talk over mugs in armchairs in a quiet sunlit living room

    Tirzepatide Pyridoxine: What Vitamin B6 Adds

    Tirzepatide/pyridoxine is a compounded combination of tirzepatide and vitamin B6. The B6 is usually included with nausea in mind, but no clinical trial has shown that the combination works better than tirzepatide alone.

    September 2, 2026 · Priya Raman, Health Writer

  18. A man in a navy henley stands by a bare bedroom window holding a ceramic cup

    What Are Peptides? A Plain-English Guide

    Peptides are short chains of amino acids that the body uses as signals. The same broad family includes natural hormones, established medicines and experimental compounds, so the name alone says little about evidence or safety.

    September 2, 2026 · Julian Reyes, Health Writer

  19. Two adults in modest knitwear talk beside a sunlit living room window

    Semaglutide Before Surgery: Do You Need to Stop?

    Most patients can continue semaglutide before an elective procedure, but the plan changes when delayed stomach emptying is more likely. The anesthesia and prescribing teams should make that call together.

    September 1, 2026 · Julian Reyes, Health Writer

  20. A woman in a long-sleeve knit top and full-length trousers sits on a hallway bench lacing her shoe

    Semaglutide Drug Interactions: What Matters

    Most semaglutide interactions are not classic liver-enzyme conflicts. The practical concerns are low blood sugar with insulin or sulfonylureas and altered absorption of oral medicines that need tightly controlled exposure.

    September 1, 2026 · Priya Raman, Health Writer

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