Is Magnesium Glycinate Safe During Pregnancy

Reason

Limited pregnancy data for this form. Use only with provider guidance, especially if kidney problems or if taking other magnesium products.

Drug Information

Brand Name

null

Generic Name

magnesium glycinate

Drug Class

mineral supplement

FDA Category

N/A (PLLR narrative label)

Rx Status

OTC

Safe Amount

Dosage must be determined by your provider based on individual risk/benefit. Do not exceed the supplement label or combine magnesium products without advice.

Effects

Pregnancy

Use should be guided by your provider. Pregnancy labels use narrative risk language, not FDA letter categories.

Mother

Can cause diarrhea, nausea, and magnesium buildup, especially with kidney disease or excess intake.

Baby

High doses or long use can cause low calcium and bone effects with magnesium treatment. Limited data for magnesium glycinate specifically.

Trimester Notes

1st Trimester

Limited official pregnancy data for magnesium glycinate. Use only if your provider recommends it.

2nd Trimester

Limited official pregnancy data for magnesium glycinate. Do not exceed label directions without provider advice.

3rd Trimester

Official FDA concern exists for prolonged magnesium sulfate use in pregnancy for pre-term labor. Magnesium glycinate is not the same product, but avoid excess magnesium and ask your provider.

Risk-Benefit Note

If magnesium is being used for a medical reason, your provider should weigh benefits and risks in pregnancy. Do not stop a prescribed medicine without provider guidance.

Conditions & Warnings

• Consult OB/GYN or prescriber
• Kidney disease
• Myasthenia gravis
• Preeclampsia/eclampsia
• Other magnesium-containing supplements or medicines

Alternatives

• Dietary magnesium from food
• Prenatal vitamin reviewed by your provider
• Magnesium form or dose recommended by your OB/GYN

References

• FDA Drug Safety Communication: FDA Recommends Against Prolonged Use of Magnesium Sulfate to Stop Pre-term Labor Due to Bone Changes in Exposed Babies
  https://www.fda.gov/files/drugs/published/View-and-Print--FDA-Drug-Safety-Communication--FDA-Recommends-Against-Prolonged-Use-of-Magnesium--Sulfate-to-Stop-Pre-term-Labor-Due-to-Bone-Changes-in-Exposed-Babies.pdf
• Magnesium - StatPearls - NCBI Bookshelf
  https://www.ncbi.nlm.nih.gov/books/NBK519036/