Magnesium Citrate vs. Glycinate for GLP-1 Users

When you're eating less, you're getting fewer minerals — and magnesium is one of the first to slip. It's involved in muscle function, sleep, blood sugar control, and bowel regularity. Two areas GLP-1 users tend to notice most: constipation and poor sleep as calorie intake drops.

The form of magnesium you take determines whether it helps or hurts.

Citrate is magnesium bound to citric acid. It's well-absorbed and has a gentle osmotic effect in the gut, which is why it's often recommended for people dealing with GLP-1-related constipation. It draws a little water into the intestine and keeps things moving.

Best for: daily regularity, general repletion, GI comfort.
Watch out for: at high doses (500mg+) it can loosen stools.

Glycinate is magnesium bound to the amino acid glycine, which is itself calming. It's the form most often recommended for sleep, stress, and muscle relaxation because it's easy on the stomach and doesn't have the laxative effect of citrate.

Best for: sleep quality, stress, evening dosing.
Watch out for: won't help if constipation is your main concern.

Magnesium oxide is the cheapest form and shows up in most drugstore multivitamins. Absorption is poor — often cited around 4% — so most of what's on the label never makes it into your bloodstream. Magnesium sulfate (Epsom salt) is fine for baths but not a great oral supplement.

We use magnesium citrate in EmpowerGLP™. Constipation is one of the most common complaints from GLP-1 users, and citrate solves two problems at once: it's a well-absorbed form of magnesium and it helps regularity.

If sleep is your main issue, adding a separate glycinate at night alongside EmpowerGLP™ in the morning is a common stack — and totally fine to do.

• Constipated on your GLP-1? Citrate.
• Trouble sleeping? Glycinate.
• Both? Citrate in the morning (EmpowerGLP™), glycinate at night.
• Just want a daily multi that covers magnesium? EmpowerGLP™ has you covered.