Best GLP-1 Alternatives for Weight Loss

The main GLP-1 alternatives for weight loss are prescription pills: phentermine, Qsymia (phentermine plus topiramate), Contrave (naltrexone plus bupropion) and orlistat. On average they help you lose about 3 to 10% of your body weight, compared with about 15 to 22% on semaglutide and tirzepatide. If needles are what's holding you back, GLP-1 pills now exist, starting around $149 a month. If one GLP-1 made you sick or stopped working, switching to another GLP-1 is often a better move than dropping down to an older pill.

How much weight do GLP-1 alternatives help you lose?

The average-loss figures come from Telehealth Ally's comparison of GLP-1s and older pills, and the prices come from a cost comparison of every weight loss drug type.

The older pills land at roughly a third to half of what semaglutide and tirzepatide deliver, and the pattern holds across a huge body of research. A 2025 Nature Medicine meta-analysis pooled 56 randomized trials covering 60,307 adults. Every obesity drug beat placebo, but semaglutide and tirzepatide were the only two to average more than 10% body weight loss. Both also brought blood sugar back to normal in some people. Semaglutide cut major heart attacks and strokes, and tirzepatide cleared up sleep apnea in some patients. The benefits of those two show up well beyond the scale.

Is phentermine a good alternative to Ozempic?

Phentermine is the cheapest prescription option and can work fast. It's a stimulant meant for short-term use, about 12 weeks, and it raises heart rate and blood pressure. Average loss is 5 to 8% of body weight.

Some women do very well on it. A 31-year-old woman who is 5'2" posted in r/loseit that she went from 241 to 176 pounds, a 65-pound loss in six months. "I started on phentermine 18.5 mg daily for 3 months, then switched to a low dose of Vyvanse for appetite suppression," she wrote.

The complaint that comes up most is that phentermine fades. A 42-year-old woman at 298 pounds wrote in r/loseit, "I've tried phentermine, which only worked temporarily before everything came back." Another poster said it quit on them within weeks. "I have a GP who put me on phentermine to lose weight 2 months ago. That has stopped doing anything for me."

Phentermine suits a tight budget and a short push. It's a harder fit if your blood pressure already runs high or you want something you can stay on for the long haul.

Do Qsymia and Contrave work as well as a GLP-1?

Neither one matches a GLP-1, but Qsymia comes closest of the older pills, averaging 8 to 10%. It pairs phentermine with topiramate, an anti-seizure drug, and it's approved for long-term use. According to Qsymia's FDA label, you start low at 3.75 mg/23 mg a day for 14 days, then move to 7.5 mg/46 mg. At 12 weeks your doctor checks your progress. If you haven't lost at least 3% of your body weight, the dose steps up to 11.25 mg/69 mg and then to 15 mg/92 mg. You take it in the morning so it doesn't keep you up at night. It isn't for use during pregnancy, with glaucoma or an overactive thyroid, or within 14 days of taking an MAO inhibitor.

Contrave works on the brain's food reward signals and turns down cravings. That makes it the best fit of the older pills if your main struggle is cravings or emotional eating, the kind of hunger that has more to do with wanting than needing food. It averages 5 to 8% weight loss against 15 to 20% or more on semaglutide or tirzepatide, and it doesn't match GLP-1s for heart and metabolic health either.

Is there a GLP-1 pill if I don't want injections?

Yes. If needles are the reason you've stayed away from GLP-1s, there are now three daily pills. Novo Nordisk lists the oral Wegovy pill at $149 a month through NovoCare. Foundayo (orforglipron) is a once-daily pill the FDA approved on April 1, 2026. Ro lists it at $149 a month for the medication plus a membership from $74 a month on annual prepay, which comes to about $223 all-in. Rybelsus runs $900 to $1,000 a month at retail.

The pill and the shot aren't interchangeable. Rybelsus is the same semaglutide molecule as Wegovy, but your body absorbs only a small fraction of a swallowed dose compared with an injected one. Most of the semaglutide weight loss evidence comes from the injection, including the 14.9% average loss in the STEP 1 trial, and tirzepatide averaged over 20% in its SURMOUNT-1 trial. A pill is a real option if needles are a dealbreaker, and the weekly injection is still the benchmark for the biggest results.

What if a GLP-1 made me sick or stopped working?

Rough side effects and plateaus are the two big reasons women go looking for an alternative. In an r/loseit thread with 201 upvotes and 152 comments, a poster four years into trying to lose weight described starting a GLP-1. "That made me sick as a dog. I threw up for four days straight." Then the nausea faded. "After several months this subsided and I began losing .5 pounds/week. I finally lost 14 pounds in 6 months, but hit the maximum 1.0 dose they would prescribe." Their doctor switched them to tirzepatide.

This story shows that the nausea eased with time, and the plateau arrived at the highest dose the prescriber would give. A doctor can adjust how fast your dose climbs, and changing to a different GLP-1 is a real option before giving up on the whole drug class.

Tirzepatide is a different drug from semaglutide. It acts on two gut hormones, GLP-1 and GIP, and it posts the largest average losses of any approved option, 18 to 22% compared with 15 to 17% for semaglutide. That makes it the natural next step when semaglutide stalls.

Some women have to stop a GLP-1 for a health reason. The 42-year-old woman from r/loseit wrote, "I tried Ozempic, but it raised my blood pressure, so I had to stop." This is why it helps to have a doctor review your history before choosing the next drug, since phentermine raises heart rate and blood pressure too.

If you want the biggest result and the older pills have already let you down, take the quiz to start a doctor-led plan. Tell the doctor what you've tried, what side effects you had and how you feel about needles, and they can decide whether semaglutide or tirzepatide at the right dose fits you.