The 11 best supplements to support your GLP-1 journey as the weight comes off 

If you're on a GLP-1 drug, you already know the number on the scale is moving.

But here's the part that worries me most as both a surgeon and a nutritionist.

Someone loses 20, 30, even 50 pounds, and instead of looking tight and toned, they end up "skinny fat." The scale says success, but the mirror tells a different story. Saggy arms. Loose skin around the stomach.

A soft, flat look instead of the firm, defined shape most people actually picture when they imagine reaching their goal weight.

And once it's gone, it is a lot harder to build back than it was to lose in the first place.

So I built this list to answer one simple question.

Out of everything being marketed to GLP-1 users right now, what actually helps you keep the muscle you have while the weight comes off, so you end up lean and firm instead of just smaller?

And what is just along for the ride?

(My #1 pick, OMNI, also won the taste test)

✅ Does it help preserve muscle during weight loss, or is that just implied on the label?
✅ Clinically studied dose, not underdosed.
✅ Third-party testing and a real lab report
✅ How it sits on a GLP-1 stomach, since nausea and slowed digestion are already a daily reality for a lot of you
✅ Ease of use, because a supplement you stop taking after two weeks doesn't help anyone
✅ Price per serving

One thing became obvious fast.

A lot of these products are good at what they do, but "what they do" has nothing to do with muscle preservation.

Vitamins, fiber, and omega-3s can absolutely support your health while you're on a GLP-1, and I'll tell you exactly where they help.

But if muscle is your concern, creatine is the only category on this list with real evidence behind it, and even within that category, not every product delivers it the same way.

I also want to be upfront about something.

Powder (both protein and creatine) has a real problem on GLP-1. These medications already slow down how fast your stomach empties, which is part of why they curb appetite in the first place.

Mixing in a gritty, hard to digest powder, especially a protein powder, on top of that can mean bloating, nausea, and stomach discomfort that a lot of women in particular have told me they just can't deal with on top of everything else GLP-1 already puts them through.

That's a big part of why format matters just as much as ingredients on this list.

★ Overall Rating
OMNI Creatine is my absolute favorite, and it checks every box I actually care about.

1: Keeps your muscles protected on GLP-1

This is the biggest reason it's on the list. Creatine is the most studied nutrient for holding onto muscle while you're in a calorie deficit.

2: Handles other GLP-1 side effects too

Brain fog and other side effects: A lot of people don't expect this, but OMNI can help with the brain fog, low energy, and rough sleep some people deal with once they start their medication.

3: Clean Ingredients

A full dose of creatine monohydrate, no gelatin, no gluten, and every batch is third party tested for purity.

4: A reasonable price

For the quality and the testing you're getting, OMNI has honestly one of the best prices out there.

5: Taste is amazing.

OMNI genuinely tastes delicious. Think watermelon sour patch kids, or a peach Gusher. None of that chalky aftertaste most creatine products leave behind.

★ What I love ️
This is the one I keep coming back to.

Creatine is the most studied supplement for protecting muscle in a calorie deficit, and OMNI delivers a real 3 gram dose in a form that doesn't ask anything of an already sensitive stomach.

That matters more than people realize when you're on a GLP-1. A lot of my patients told me they simply couldn't stomach powder anymore once they started their medication. Even a well dosed powder does you no good if you can't keep taking it.

OMNI skips that problem entirely.

You chew three gummies, and you're done. No water, no mixing, no chalky aftertaste sitting in the back of your throat right when you're already fighting nausea.

Every batch gets tested by Eurofins for potency, so you're not guessing whether there's real creatine in there or just sugar and gelatin. It's also vegan and free of the common allergens that show up in a lot of competitor formulas.

Between the muscle preservation research, the format that actually works for a GLP-1 stomach, and the 30 day guarantee if it's not for you, this is the one I recommend first, every time someone asks me what to add to their routine.

★ What could be better
OMNI has had inventory issues in the past, so stock can disappear fast after promo pushes.

★ Description
“Fuel your muscles, sharpen your mind.” OMNI Creatine Gummies combine ultra-pure creatine monohydrate with a better absorption formula, all in a vegan gummy that tastes like candy but works like a lab-validated supplement.

Check OMNI Creatine

Promo code TODAY10 [expires soon!] gets you an extra 10% off.

★ What I love ️

• Covers common gaps like vitamin D, B12, iron, and zinc, which matter more once you're eating less on a GLP-1
• One capsule a day covers a lot of bases instead of taking five different bottles
• Can help with energy and fatigue if a deficiency was the actual cause
• Widely available and usually affordable

★ What could be better

A multivitamin is a good insurance policy while you're eating less, and I'm not knocking it for that. But it's built to fill small nutrient gaps, not to give your body a reason to hold onto muscle.

Creatine works completely differently. It gives your muscle cells the fuel to keep performing and rebuilding, which is what actually determines whether the weight you lose is fat or muscle. A multivitamin can't do that job no matter how many nutrients are on the label.

Easy to feel like you're "covered" on nutrition when muscle loss is still happening underneath

★ What I love ️

I want to be fair to this one because it earns its spot on the list. A lot of people eating less on a GLP-1 end up low on vitamin D without realizing it, and that matters for bone health, mood, and immune function. If your labs show you're low, this is worth adding.

★ What could be better

What it won't do is protect your muscle. Vitamin D supports bone density and works alongside muscle health, but creatine is the nutrient doing the heavy lifting there. Pair this with a creatine like OMNI for the full picture.

★ What I love ️

Protein matters for muscle preservation, there's no getting around that. Your body needs the raw material to hold on to lean tissue, and this shake delivers a clean, traceable source of it.

★ What could be better

The catch is the format. I hear this constantly from women especially. GLP-1 medications already slow digestion way down, and adding a thick protein shake on top of that can mean bloating, an uncomfortably full feeling, or mild nausea that just isn't worth it some days. If a shake sits well with you, this is a reasonable one to use. If your stomach has been fighting you since you started your medication, you may find a gummy format, like creatine gummies, an easier daily habit to actually stick with.

★ What I love

Fiber earns its place here for a completely different reason than creatine does. GLP-1 medications slow down your digestive tract, and constipation is one of the most common complaints I hear. A good fiber supplement genuinely helps with that.

★ What could be better

Just don't confuse GI comfort with muscle protection. Fiber earns its spot for digestion, and creatine earns its spot for muscle. If your main worry is losing lean mass while the weight comes off, fiber isn't the product doing that job.

What I love

Arrae is clearly built for someone who wants a lighter, gentler daily gummy, and the format itself is a good choice for GLP-1 users avoiding powder.

What could be better

The dose is on the lower end of what's clinically studied, and without a posted lab report, I can't fully confirm what's actually in each gummy the way I can with OMNI's published Eurofins results. It's a fine option if the extra ingredients appeal to you, but for a fully verified dose aimed at muscle preservation, I'd rank it behind the top of this list.

What I love

THORNE makes a genuinely high quality creatine, and the lab verification is real and appreciated.

What could be better

My hesitation isn't with what's in it, it's with the format. GLP-1 already slows your stomach down, and a lot of people tell me powder, even a good one, tends to sit heavier and cause more bloating than a gummy version of the same dose. If you've never had trouble with powder, this is a legitimate option. If you have, or if you're new to your medication and unsure how your stomach will react, I'd start with a gummy instead.

What I love

I like omega-3s generally, and there's a reasonable case for them during rapid weight loss since inflammation can tick up as your body changes quickly. It's a solid supporting player for overall health.

What could be better

It doesn't move the needle on the muscle question this list is built around. If your budget and your daily supplement count are limited, I'd prioritize creatine first and treat omega-3 as a nice to have.

★ What I love

The gummy format is the right call here, and I appreciate that four chews gets you to a full research backed dose. What holds it back is transparency. .

★ What could be better

Where it falls short of OMNI Creatine is in fillers. Getting the full three grams means eating through a decent amount of sugar alcohols, which can bring on the exact bloating a lot of GLP-1 users are already trying to avoid. It's a solid option if you can tolerate sugar alcohols well, but if your stomach is already touchy, I'd point you toward a cleaner formula first.

★ What I love

If price is your only concern, Bageto gets the job done on paper.

★ What could be better

But without a lab report, I can't verify the dose is accurate, and the clumping and bloating reports give me pause for something you're taking every single day. I'd call this a reasonable stopgap rather than a real long term muscle preservation plan.

★ What I love
The strawberry taste is spot-on, and three chews give me the full 5-gram creatine hit without any shaker cup or chalky residue. On mornings when motivation (and time) run low, that candy vibe actually helps me remember to take them. Price is another win: per serving, Happyummmm lands near the bottom of the cost chart, so you can keep your creatine habit going without denting the supplement budget.

★ What could be better
The sweets come with strings attached. Happyummmm publishes no third-party lab results, and one watchdog lab test flagged an underdosed batch, so you’re largely taking the label on faith. Warm weather turns the candies into a sticky brick, and the company’s return policy only covers unopened bottles for 14 days, leaving no true money-back safety net if the sugar load or texture puts you off. Overall, Happyummmm feels more like dessert with benefits than a supplement I’d trust for serious, long-term results.

Why I chose OMNI Creatine

After going through all eleven of these, the pattern was clear.

The products that actually protect muscle during a GLP-1 journey are the ones built around a real, verified dose of creatine monohydrate.

Vitamin D, fiber, and omega-3 all have their place, but none of them are doing that specific job.

And within the creatine category, format made a bigger difference than I expected.

Powder, even good powder, tends to be harder on a GLP-1 stomach, and a supplement you stop taking because it upsets your stomach isn't helping you at all.

OMNI hit every must-have on my list. 

Watermelon-flavored gummies deliver the full, lab-verified 3-5g dose of creatine monohydrate, yet they’re light on sugar, completely gelatin-free, and taste like actual candy not chalk. The ingredient deck is transparent and pronounceable, the batch COA is posted right on their site, and the price stays competitive even before you apply the TODAY10 coupon.

Finding a supplement that’s both clinically dosed and pleasant enough to take before the first cup of coffee felt like winning the morning lottery. If you’re hunting for a creatine routine you’ll actually stick with,  is the one I recommend every time.