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Bisglycinate, Citrate or Oxide: Which Form to Choose

Forms of magnesium differ in bioavailability and their effect on the stomach.

Brankica Milinković, MPharm, in a white coat with the M&V Pharm logo
Mr Pharm. Brankica Milinković, Pharmacist
Updated 9. Oct 2026 · 1 min read
Three laboratory containers with different forms of magnesium and one capsule in front of each

Forms of magnesium differ in bioavailability and their effect on the stomach.

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A white BisMag bottle with a blue label, magnesium bisglycinate 550 mg and vitamin D
BisMag: Magnesium bisglycinate + Vitamin D3 BisMag combines magnesium as bisglycinate — a chelate that absorbs well and is gentle on the stomach — with vitamin D3. One capsule a day.
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Brankica Milinković, MPharm, in a white coat with the M&V Pharm logo
Author and expert review Mr Pharm. Brankica Milinković A pharmacist with many years of experience advising patients on the correct use of food supplements.

A food supplement is not a substitute for a varied, balanced diet and a healthy lifestyle. Do not exceed the recommended daily dose. Keep out of reach of children. The content of this site is informational and does not replace the advice of a doctor or pharmacist.