Holiday Parties on a GLP-1: A Practical Survival Guide

December can mean a party every weekend, and nearly all of them revolve around food and drinks. If a GLP-1 medication has shrunk your appetite, you might feel unsure about the buffet, the toasts and the relative who keeps refilling your plate. A little planning lets you show up, eat what you want in the amount you want, and enjoy the people.

Should you eat before you go?

Cleveland Clinic explains that the satiety effect of GLP-1 agonists reduces food intake, appetite and hunger. A few bites of something you once ate by the plateful may now be plenty. Cleveland Clinic also lists loss of appetite, nausea, vomiting and diarrhea among the most common side effects, and says they are more likely when you start the medication or move to a higher dose. If your dose changes this month, factor that into your party plans, and tell your prescriber about side effects that bother you.

A 2025 joint advisory on nutrition during GLP-1 therapy, from the American College of Lifestyle Medicine, the American Society for Nutrition, the Obesity Medicine Association and The Obesity Society, lists long periods without meals and large meals among the things to minimize. It also notes that vomiting is more likely to occur with large meals. Skipping lunch to “save room” and then filling a plate late in the evening runs into both.

A small snack before you leave helps you arrive hungry enough to enjoy a few bites, but not so hungry that you overfill a plate. Easy options in small amounts:

• A small cup of plain Greek yogurt
• A hard-boiled egg
• A slice of cheese with a few crackers
• A small bowl of soup

If you have diabetes or your care team gave you specific eating instructions, follow their plan first.

How do you handle the buffet with a small appetite?

1. Walk the whole table first. Decide what you want before you pick up a plate.
2. Take the smallest plate. A salad or dessert plate holds a taste of a few dishes.
3. Choose your favorites. Skip what you can eat any week of the year and save room for the dish that only shows up in December.
4. Take a bite or two of each. You can go back for more of the one you loved.
5. Put your fork down between bites. Talk, listen, and let the meal stretch out.
6. Move away from the table. Find a spot across the room to talk, so nobody hands you a second plate without asking.

December food runs rich: cheese boards, fried appetizers, creamy dips, butter cookies. The joint advisory notes that avoiding large or high-fat meals can help with diarrhea, and for nausea it mentions smaller, more frequent meals and avoiding fatty foods in the first days of treatment. A taste of the rich dishes lets you join in without a full plate of them.

What do you say when someone keeps pushing food?

You don't owe anyone an explanation about your appetite, your weight or your medication. A short, friendly line works better than a speech. Say it once, smile, and change the subject.

Asking about a recipe moves the conversation off your plate. A compliment plus a to-go request keeps a proud host happy. If one relative pushes every year, a quiet word before dinner (“I'm eating small portions these days, so please don't push”) can spare you a scene at the table. You decide how much to share, and with whom.

What about drinks?

Holding a glass cuts down on “Can I get you something?” offers, and the glass doesn't need alcohol in it. Sparkling water with lime, a mocktail or a decaf tea all work. Ask the host ahead of time, or bring a bottle of something you like.

If you're thinking about alcohol, check first. Cleveland Clinic's patient pages for semaglutide (Wegovy) and tirzepatide (Zepbound) both ask you to tell your care team if you drink alcohol. The joint advisory says alcohol use may worsen nausea and gastroesophageal reflux with GLP-1 therapy and should be minimized. Whether you drink at all, and how much, depends on your health and your treatment, so ask your prescriber.

The same Cleveland Clinic pages say to stay hydrated while taking these medications and to drink water often. They also say to talk to your care team right away if you have vomiting or diarrhea, because the loss of too much body fluid may make it dangerous to take the medication. At a party, that can be as simple as keeping a glass of water in your hand for much of the night.

What should you wear when you're between sizes?

Dressy clothes are hard to keep up with. The outfit that fit last December may hang loose now, and buying something for one evening feels like a waste when your size may change again by spring. A few choices help:

• Pick fabrics with stretch. Knits, jersey and ponte move with you and forgive a looser fit better than stiff fabrics.
• Choose adjustable shapes. Wrap dresses, wrap tops, tie belts and drawstring or elastic waists adjust as you change.
• Add a belt. A ratchet belt adjusts in small steps instead of fixed holes. Next Size Club's accessories shop carries them.
• Layer on top. An open cardigan, blazer or wrap over a fitted base looks finished even when the pieces underneath run loose.
• Do a dress rehearsal. Try the full outfit a few days ahead. Sit, reach and walk in it, so you have time for a clip, a pin or a quick hem.

For more ways to make loose clothes work tonight, see the guide to quick fixes for clothes that are too big.

How do you handle holiday travel days?

Travel adds long days, airport food and someone else's kitchen. A few steps keep it manageable:

• Pack small snacks. Delays stretch the time between meals, and the joint advisory lists long periods without meals among the things to minimize. Cheese, nuts or a protein bar fit in a bag.
• Know the TSA rule. In carry-on bags, the TSA allows medically necessary liquids, gels and aerosols in amounts larger than 3.4 oz (100 ml), in reasonable quantities for your trip, if you declare them to officers at the checkpoint. The guide to traveling with a GLP-1 pen covers storage and a full packing list.
• Check your dose day. If an injection day falls on a travel day, or you'll cross time zones, ask your prescriber how to handle it before you leave.
• Tell your host. If you're staying with family, a heads-up that you eat small meals now saves explaining it at every meal.
• Keep water with you. A bottle in your bag makes it easy to follow Cleveland Clinic's advice to drink water often.

What should be on your party-day checklist?

• Eat a small snack before you leave.
• Try on the outfit a few days ahead, belt included.
• Pick a non-alcoholic drink you enjoy.
• Thinking about alcohol? Ask your prescriber.
• Have your “I'm good, thanks” ready.
• Take a small plate and tastes of your favorites.
• Keep water close all night.
• Bring a container for leftovers you want tomorrow.
• On travel days, pack snacks and declare medication liquids at security.

If finding something that fits for each party has become its own chore, that's the problem Next Size Club is designed around. Members get a capsule of about 6 everyday basics in their current size, and a new capsule each time their size changes, with a prepaid label to send the old one back. First capsules ship around December 14, 2026, US only. See how membership works.