What They Have in Common
Both deliver elemental magnesium — the same mineral — in a form the body can absorb. Both are significantly better absorbed than magnesium oxide, the cheapest form found in most basic multivitamins and drugstore supplements. The differences are in what the magnesium is bound to, which affects how it behaves in the body.*
Magnesium Citrate
Magnesium citrate is magnesium bound to citric acid. It dissolves easily in water, making it a common choice for powdered magnesium drinks. Its most notable characteristic is an osmotic effect on the gut — at higher doses it draws water into the intestines, which is why pharmaceutical-grade magnesium citrate is used as a bowel prep for colonoscopy procedures.
At lower supplemental doses this effect is mild and many women don’t notice it. But for women whose digestion is already working differently — particularly those on GLP-1 medications — citrate’s osmotic effect is worth being aware of. It also means the magnesium may transit through the gut more quickly, potentially affecting overall absorption.*
Magnesium Glycinate
Magnesium glycinate is magnesium bound to glycine — an amino acid. This chelated form is absorbed through a different intestinal transport pathway, resulting in high bioavailability and significantly lower laxative effect than oxide or citrate.* It’s the form most frequently discussed by practitioners for consistent daily use, and the one most often recommended for women with any digestive sensitivity.*
Side-by-Side
| Magnesium Glycinate | Magnesium Citrate | |
|---|---|---|
| Absorption | High — chelated amino acid transport* | Good — soluble, fast-dissolving* |
| Digestive effect | Gentle — minimal laxative effect* | Mild osmotic effect at higher doses |
| Format | Capsules or powder | Usually powder or tablets |
| For GLP-1 users | Preferred — digestive tolerability* | Use with caution if sensitive |
| For daily consistent use | Well suited* | Works for some |
What We Use at Pin Up Girl
We use chelated magnesium glycinate in both our Magnesium Glycinate Capsules (150mg) and Bulk Powder (100g). For women using magnesium as a daily supplement — especially those with any digestive sensitivity — glycinate is the form most consistently discussed by practitioners.* No fillers, no artificial additives.*
The capsules work well for daily consistent use. The bulk powder works well for women who prefer to add magnesium to a drink or smoothie, or who want flexible intake amounts.* Both deliver the same chelated glycinate form.*
Also see: Sleep, Recovery & Magnesium: What Women Need to Know | Supplements to Consider While on GLP-1
*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. Informational only — not medical advice. Consult your healthcare provider before use.
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