Reviews
Product Reviews
Side-by-side comparisons of GLP-1 medications, devices, and formulations — written for readers evaluating options with a prescriber, not for self-directed sourcing.
Inside the 'Research Peptide' Market: How the Business Model Works, and Where the Gray Areas Are
A growing number of direct-to-consumer sites sell GLP-1 analogs and other peptides labeled 'for research use only.' Here's how that label functions legally, and what it doesn't tell you.
7 min read
Wegovy vs. Zepbound: How the Two Leading Weight-Management Drugs Compare
A single-hormone agonist against a dual-hormone agonist. Here's what separates Novo Nordisk's Wegovy from Eli Lilly's Zepbound on paper.
6 min read
Ozempic vs. Wegovy: What Actually Differs Between the Two Semaglutide Brands
Same active ingredient, different approved uses, different dosing schedules. Here's a side-by-side look at how Novo Nordisk's two semaglutide products compare.
7 min read
Mounjaro vs. Ozempic: Dual Agonist vs. Single Agonist for Type 2 Diabetes
Both are approved for type 2 diabetes and both ship as weekly pens, but tirzepatide's second receptor target is the headline difference.
6 min read
Compounded Semaglutide: What It Is, and Why the FDA Has Issued Repeated Warnings
Compounded versions of semaglutide became widely available during brand-name shortages. Here's how they differ from FDA-approved products and what the regulatory record says.
8 min read
GLP-1 Injection Pens Compared: Prefilled vs. Reusable Devices
The device matters as much as the molecule for weekly adherence. A look at how prefilled pens differ from reusable, dial-a-dose pens across the major GLP-1 brands.
6 min read
Rybelsus Review: What the Only FDA-Approved Oral Semaglutide Tablet Involves
Rybelsus has been on the market since 2019, but its strict dosing rules around fasting and water intake trip up a lot of first-time users.
5 min read
Saxenda vs. Wegovy: An Older GLP-1 Against the Current Standard
Before Wegovy, there was Saxenda — a daily liraglutide injection with a smaller average weight-loss effect and a different dosing rhythm.
5 min read
Trulicity vs. Ozempic: Comparing Two Long-Standing Weekly GLP-1 Options
Both are weekly injectables for type 2 diabetes with years of real-world use behind them. Here's where dulaglutide and semaglutide actually diverge.
5 min read
Zepbound Review: What Tirzepatide's Weight-Management Label Actually Covers
Zepbound is the weight-management version of the same molecule sold as Mounjaro for diabetes. Here's what the separate approval changes.
6 min read
Victoza vs. Saxenda: Same Molecule, Different Approved Uses
Liraglutide is sold under two brand names depending on the indication. Here's why the same drug has two names, two doses, and two labels.
4 min read
Needle Gauge and Injection Sites for GLP-1 Pens: A Practical Guide
Most GLP-1 pens use a fine, short needle designed for subcutaneous injection. Here's what the gauge numbers mean and where injections are typically given.
5 min read
How GLP-1 Pens Are Stored and Transported: A Cold-Chain Guide
Most GLP-1 pens need refrigeration before first use and have a limited room-temperature window afterward. Getting this wrong can affect the drug's stability.
5 min read
GLP-1 Dose Titration Schedules Compared Across Major Brands
Nearly every GLP-1 drug starts low and increases gradually. Here's how the titration timelines differ across semaglutide and tirzepatide products.
6 min read
GI Side Effects Across GLP-1 Drugs: What the Labels Say
Nausea, vomiting, diarrhea, and constipation show up on nearly every GLP-1 drug label. Here's how they're described and what tends to help.
6 min read
Biosimilar and Generic Semaglutide: What's Actually in Development
Semaglutide's patent position varies by country, and that's driving very different generic and biosimilar timelines around the world.
6 min read
Telehealth GLP-1 Prescribing Platforms: What to Check Before Choosing One
Telehealth has become a major channel for GLP-1 prescriptions. Here's what to verify about a platform before using it.
6 min readCompounded Tirzepatide: Does It Carry the Same Warnings as Compounded Semaglutide?
Tirzepatide followed a similar shortage-driven compounding pattern to semaglutide, and regulators have applied similar scrutiny to it.
6 min read
Semaglutide Pill vs. Injection: Absorption and Adherence Tradeoffs
Oral semaglutide avoids needles but comes with strict dosing rules. Injectable semaglutide is simpler to take but requires weekly self-injection.
5 min read
GLP-1 Drugs and Alcohol: What's Actually Documented
Anecdotal reports of reduced alcohol cravings on GLP-1 drugs have circulated widely. Here's what's a documented interaction and what's still under study.
5 min read
GLP-1 Drugs and Muscle Loss: What the Research Says
Rapid weight loss on GLP-1 drugs includes some loss of lean muscle mass alongside fat. Here's what trial data has shown and what clinicians recommend.
6 min read
Combining GLP-1 Drugs With Other Diabetes Medications
GLP-1 drugs are often prescribed alongside metformin, insulin, or SGLT2 inhibitors. Here's why combination therapy is common and what it requires monitoring for.
5 min read
GLP-1 'Microdosing': What the Trend Claims, and Why It's Largely Unverified
Microdosing GLP-1 drugs — taking doses below the labeled starting dose — has spread on social media. Here's what's actually been studied.
6 min read
GLP-1 Drug Interactions Worth Flagging to Your Prescriber
GLP-1 drugs slow stomach emptying, which can change how other oral medications are absorbed. Here's what's typically worth mentioning.
5 min read
Injection Site Rotation and Lipohypertrophy: A Practical Guide
Repeated injections in the same spot can cause lipohypertrophy — a lump of thickened tissue that can affect drug absorption. Rotation is the standard prevention.
5 min read
GLP-1 Drugs During Pregnancy: What Current Guidance Says
GLP-1 drug labels generally recommend discontinuing use before a planned pregnancy. Here's what the labeling says and why.
5 min read
GLP-1 Drugs and Adolescents: What's Approved and What Isn't
A small number of GLP-1 drugs carry adolescent approvals for obesity or diabetes. Here's which ones, and what the approval actually covers.
5 min read
Semaglutide vs. Tirzepatide: Comparing the Published Efficacy Data
Trial-reported average weight-loss and blood-sugar results differ between semaglutide and tirzepatide. Here's how to read those numbers responsibly.
6 min read
What Happens When You Stop Taking a GLP-1 Drug
Weight and blood-sugar effects from GLP-1 drugs are generally understood to require continued treatment to maintain. Here's what stopping tends to involve.
6 min read
GLP-1 Pen Recalls: How to Check Your Device's Lot Number
Manufacturers occasionally issue recalls for specific lots of GLP-1 pens. Here's how to check whether your device is affected.
4 min read
Comparing Patient Support Programs and Savings Cards Across GLP-1 Brands
Manufacturers offer savings cards and patient support programs that can meaningfully lower out-of-pocket cost for eligible patients. Here's how they generally work.
5 min read