Estimate your potential weight loss with different GLP-1 medications based on clinical trial data. This tool provides general estimates only - discuss with your healthcare provider for personalized advice.
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When it comes to choosing a GLP‑1 medication, the market feels crowded. Victoza compare searches spike every time a new weekly injectable hits the headlines. Below we break down what makes Victoza (liraglutide) unique, how its main rivals stack up, and which factors should guide a personal decision.
Victoza is a brand name for liraglutide, a synthetic version of the gut hormone GLP‑1. It was FDA‑approved in 2010 for type2 diabetes and later in 2020 for chronic weight management under the name Wegovy. The drug is administered via a subcutaneous injection once daily, typically starting at 0.6mg and titrating up to 1.8mg for diabetes or 3.0mg for weight loss. Its primary actions are to boost insulin secretion, suppress glucagon, slow gastric emptying, and promote satiety.
The GLP‑1 receptor agonist class mimics the natural incretin hormone glucagon‑like peptide‑1. By binding to GLP‑1 receptors in the pancreas and brain, these drugs improve post‑prandial glucose control and reduce appetite. The result is better HbA1c numbers and, for many patients, modest to significant weight loss. Because the mechanism is hormone‑based rather than insulin‑dependent, the risk of hypoglycemia is low unless combined with sulfonylureas or insulin.
Below is a quick snapshot of the most common GLP‑1 options you’ll encounter.
Most GLP‑1 drugs share a similar safety envelope. The most common adverse events are gastrointestinal: nausea (up to 30% of users), vomiting, diarrhea, and constipation. These usually ease after the titration phase. Rare but serious risks include pancreatitis, gallbladder disease, and, in animal studies, thyroid C‑cell tumors-though human data are reassuring. Injection‑site reactions (redness, itching) occur in roughly 5% of patients.
In the United States, list prices range from $850 to $1,400 per month depending on dose and brand. Weekly drugs (semaglutide, dulaglutide, tirzepatide) tend to have higher per‑dose costs but require fewer syringes. Australian patients may access these medicines through the PBS (Pharmaceutical Benefits Scheme) with variable co‑payments. Insurance formularies differ; some plans favor one brand over another, so a pharmacy‑level check is essential before starting therapy.
Drug (Brand) | Administration | FDA‑approved Uses | Typical Dose for Diabetes | Average Weight Loss* (12mo) | Common Side Effects | Cardiovascular Benefit | Approx. US List Price (monthly) |
---|---|---|---|---|---|---|---|
Victoza | Daily injection | Type2 diabetes, weight management (3mg) | 1.2-1.8mg | ≈5-7% | Nausea, vomiting, diarrhea | Reduced major adverse CV events (MALE) | $950 |
Ozempic / Wegovy | Weekly injection | Diabetes (Ozempic), obesity (Wegovy) | 0.5-1mg | ≈10-15% | Nausea, constipation, abdominal pain | Significant CV risk reduction | $1,200 |
Trulicity | Weekly injection | Type2 diabetes | 0.75-4.5mg | ≈5% | Nausea, decreased appetite, injection site reaction | Neutral CV outcome (non‑inferior) | $1,000 |
Mounjaro | Weekly injection | Type2 diabetes (investigational for obesity) | 5-15mg | ≈12-22% | Nausea, diarrhea, dyspepsia | Promising CV benefit (early data) | $1,350 |
Exenatide | Twice‑daily (Byetta) / Weekly (Bydureon) | Type2 diabetes | 5-10µg BID (Byetta) or 2mg weekly (Bydureon) | ≈3-5% | Nausea, vomiting, injection site bruising | Neutral CV outcome | $800 |
*Weight loss percentages are based on pooled Phase3 trial data over 12months.
Bring a concise list of your goals-e.g., “lower A1C by 1% and lose 10% of weight”-and ask specific questions:
Remember, the “best” drug is the one you’ll actually take consistently.
Yes, most clinicians cross‑taper: you start the weekly injection at a low dose while maintaining Victoza, then gradually discontinue Victoza over 2‑4 weeks. This minimizes gaps in GLP‑1 coverage and reduces GI upset.
Current guidelines advise against GLP‑1 agonists in patients with active or recent pancreatitis. Discuss alternative classes such as SGLT2 inhibitors or basal insulin with your doctor.
Victoza comes with a pre‑filled pen and a 4‑mm needle that fits most adults. No additional supplies are required unless you switch to a different device.
A meaningful drop (0.5‑1.0%) usually appears after 12weeks of consistent dosing and lifestyle support.
GLP‑1s have low interaction potential. However, they can enhance the glucose‑lowering effect of sulfonylureas and insulin, so dose adjustments may be needed.
Marc Clarke
October 12, 2025 AT 03:30Just remember, any GLP‑1 that fits your lifestyle is a win.