Can I take 1.5mg and Magnesium glycinate together?
Drug interaction guide
Originally published 14 Mar 2026
Meets Patient’s editorial guidelines
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There is no known direct interaction between low-dose naltrexone (1.5mg) and magnesium glycinate. They are generally safe to take together.
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Why this happens
Naltrexone works by blocking opioid receptors in the brain and immune system, while magnesium glycinate is a mineral supplement used for relaxation, muscle health, and sleep. They do not interfere with each other's absorption or metabolism in the body.
What you should do
Back to contentsYou can continue taking both as prescribed. It is often recommended to take magnesium in the evening if you find it helps with sleep, while low-dose naltrexone is typically taken at night, though some people prefer morning dosing if it causes vivid dreams.
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Using other medicines
Back to contentsTaking multiple medicines? Our Medicines Interaction Checker helps you check whether your prescriptions, over-the-counter medicines, and supplements are safe to take together. Simply search for your medicines to see potential interactions and what to do about them.
Disclaimer
This information is for general educational purposes only and should not be relied upon as a substitute for professional medical advice. Always consult your GP, pharmacist, or another qualified healthcare professional before making decisions about your medications. Individual circumstances may vary, and only a healthcare professional who knows your medical history can provide personalised guidance.
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Treatment and medication
Can I take Codeine and Magnesium together?
Taking magnesium and codeine together can lead to increased drowsiness and may cause constipation. Magnesium can also slightly interfere with how your body absorbs codeine if taken at the exact same time.

Treatment and medication
Can I take Abrysvo powder and Inhalation powder. together?
There is no known direct interaction between the Abrysvo vaccine and inhaled medicines (inhalation powders). However, if you are unwell or have a fever, you may need to delay your vaccination.
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Article history
The information on this page is written and peer reviewed by qualified clinicians.
14 Mar 2026 | Originally published

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