Hydration guide · Updated July 2026
Hydration and GLP‑1 therapy.
Why it matters more than you think.
- The water you used to eat
- Signs to notice
- Habits that make it easy
- Physician-formulated by George W. Carroll, MD
In short.
- 1About a fifth of the water most people take in comes from food, so eating less on a GLP-1 can mean taking in less water.
- 2Thirst can lag behind, which is why drinking on purpose helps.
- 3Electrolytes such as sodium, potassium and magnesium travel with that water.
The water you used to eat.
Food is quietly one of your biggest sources of water.
Fruit, vegetables, soups and even cooked grains carry water. When a GLP-1 makes meals smaller, that water shrinks with them, and many people do not make up the difference by drinking more.
Signs to notice.
These can show up when your body needs more fluid. They can also have other causes, so mention them to your clinician.
- Drymouth
- A dry mouth or lips, or feeling thirsty more often.
- Darkurine
- Darker urine. Pale yellow is the usual target.
- Lightheaded
- Feeling lightheaded, especially when you stand up.
- Tiredout
- Tiredness or headaches that settle after a drink and some rest.
Habits that make it easy.
- 1
Anchor it
Pair a glass of water with things you already do: waking up, each meal, and the evening.
- 2
Sip through the day
Small amounts often are easier than large glasses, especially if you feel full quickly.
- 3
Eat water-rich foods
When appetite allows, cucumber, watermelon, berries, lettuce and soups all add water.
- 4
Ask for a target
How much is right depends on your heart, kidneys and medications, so let your prescriber set the number.
Where GLPrelief fits.
Physician-formulated daily support for people using GLP-1 medications.
Each stick goes into 16–20 oz of cold water and carries electrolytes, six B vitamins, four botanicals and fiber. Formulated by our founder, George W. Carroll, MD, a physician with 45 years of clinical experience.
Supports hydration and electrolyte balance.**These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.
See what is in each stick
Common questions.
Why can fluid intake drop on a GLP-1?
GLP-1 medications reduce appetite, so people eat less, and food is one of the everyday sources of water. Without drinking on purpose, total intake can drop.
How much water should I drink?
It depends on your body, your activity and your other medications. Your prescriber can set a target that is right for you.
What do electrolytes have to do with it?
Electrolytes such as sodium, potassium and magnesium are minerals that work alongside water in the body. Each GLPrelief stick contains sodium, potassium, magnesium and chloride.
Can I take GLPrelief with my GLP-1 medication?
Talk to your prescriber before adding any supplement. If you take blood thinners, ask your doctor first.
If side effects feel severe, persistent or worrying, talk with your healthcare provider.
Updated July 2026