GLP-1 Medications: The Complete Guide to Semaglutide, Tirzepatide & Retatrutide
GLP-1 receptor agonists like semaglutide (Ozempic, Wegovy), tirzepatide (Mounjaro, Zepbound) and the investigational triple-agonist retatrutide are the most effective weight-loss medications brought to market so far. This hub gathers everything PeptideDeck has published: how GLP-1 works, every molecule, dosing charts and calculators, side effects, real results, what it costs, and how to get a prescription in your state.
What Is GLP-1? Start Here
What GLP-1 is, how the hormone and its receptor agonists drive weight loss, and the full landscape of drugs, pills, shots and patches.
GLP-1 Medications by Molecule
Drug-by-drug overviews of every GLP-1 and incretin medication, grouped by molecule and brand name.
Semaglutide — Ozempic, Wegovy & Rybelsus
Tirzepatide — Mounjaro & Zepbound
Retatrutide
Cagrilintide & amylin analogs
Other & legacy GLP-1s
Glucagon & dual-agonist pipeline
Featured partner · Yucca
Personalized GLP-1 injections, prescribed online
Semaglutide & tirzepatide from Yucca — a US-licensed clinician decides if you qualify.
Emerging & Next-Gen Molecules
The 2026 pipeline: oral GLP-1 pills, triple and quad agonists, and amylin analogs like orforglipron, mazdutide, amycretin and CagriSema.
Dosing, Titration & Calculators
Weekly dose charts, titration schedules, microdosing protocols, mg-to-unit conversions and reconstitution, plus interactive calculators.
Interactive tools & charts
Featured partner · Yucca
Personalized GLP-1 injections, prescribed online
Semaglutide & tirzepatide from Yucca — a US-licensed clinician decides if you qualify.
Side Effects, Safety & Health Effects
Manage side effects and understand long-term, pregnancy and thyroid safety, plus benefits, conditions and off-label uses.
Side effects & managing them
Long-term & safety (pregnancy, thyroid, labs)
Benefits, conditions & off-label uses
Comparisons & Best-Of Rankings
Head-to-head matchups like Ozempic vs Zepbound and retatrutide vs tirzepatide, plus ranked best-GLP-1 buyer guides.
Featured partner · Yucca
Personalized GLP-1 injections, prescribed online
Semaglutide & tirzepatide from Yucca — a US-licensed clinician decides if you qualify.
Real Results, Reviews & Before/After
Realistic weight-loss timelines, week-by-week expectations, clinical trial outcomes, and real patient reviews and before/after results.
Diet, Nutrition & Lifestyle
What to eat on a GLP-1, meal plans, protein and B12, alcohol interactions, daily habits, and natural ways to support GLP-1.
Featured partner · Yucca
Personalized GLP-1 injections, prescribed online
Semaglutide & tirzepatide from Yucca — a US-licensed clinician decides if you qualify.
Stacks & Combinations
How GLP-1 and metabolic peptides are stacked for fat loss and body recomposition, with dosing and synergy.
Cost, Coverage & Where to Buy
2026 prices, coupons, insurance and savings cards, compounded options, and the cheapest legit places to buy.
Pricing, coupons & insurance
Where to buy & sourcing
Featured partner · Yucca
Personalized GLP-1 injections, prescribed online
Semaglutide & tirzepatide from Yucca — a US-licensed clinician decides if you qualify.
Get GLP-1 Online: Telehealth Programs
How to get a GLP-1 prescription online, plus honest reviews of the top telehealth weight-loss programs.
GLP-1 Near You: Browse by State
Local guides to GLP-1 access, telehealth coverage and pricing in all 50 states plus major metros.Compare every national program →

