Last update: July 13, 2024

6 minute read

The Best Time to Take Magnesium

When to take magnesium for the best health benefits? Explore the best times for absorption and how it may improve sleep and performance.

Derick Rodriguez

By Derick Rodriguez, Associate Editor

Edited by Dr. Dimitar Marinov, MD, MBA, PhD

Learn more about our editorial standards

Magnesium is a crucial mineral that plays a significant role in your overall health, yet there's often debate surrounding the optimal timing for its consumption. Like navigating through the variety of nutritional supplements available, determining when to take magnesium can greatly enhance its benefits. In this article, we dive into the intricacies of magnesium supplementation, aiming to provide you with the knowledge needed to maximize its positive effects on your health.

Key takeaways

  • Regular intake is more important than the time of day
  • Taking magnesium with meals can improve absorption and reduce discomfort
  • Patience is crucial, as potential effects like improved sleep and exercise performance may take time

    Understanding magnesium and its benefits

    Before diving into the best times to take magnesium, it’s essential to understand its role in your health. Magnesium is a key mineral, supporting over 300 biochemical reactions in your body.

    Its potential benefits include:

    Best time to take magnesium

    The best time to take magnesium depends on your routine and what you want to achieve with its supplementation.

    Morning intake

    Taking magnesium in the morning, especially with breakfast or lunch, can help start your day well. It's good if you want to feel more energetic and focused or if you're into exercising and want better performance.

    Evening intake

    If you want better sleep or to relax more, try taking magnesium in the evening, about one or two hours before bed.

    Should magnesium be taken with a meal?

    Yes, taking magnesium with food helps your body absorb it better and prevents digestive discomfort. Eating a meal with your magnesium supplement creates the perfect conditions for your body to soak up magnesium properly.

    How does consistency impact supplementation?

    Consistency is more important than timing. Taking magnesium regularly, regardless of timing, will ensure you get its full benefits for long-term health and well-being.

    Does magnesium cause daytime sleepiness?

    No. While magnesium is known for supporting sleep, it doesn’t make you sleepy or cause fatigue if taken in the morning.

    VitaRx Tip

    Taking it before bed helps you sleep better. In contrast, magnesium deficiency may lead to daytime sleepiness.

    Precautions and considerations

    Magnesium is generally safe, but avoid taking it with foods high in oxalic acid to prevent malabsorption, and check with your doctor if you're on medication. To choose the right magnesium supplement that fits your health needs, consider completing a personalized vitamin assessment.

    We've talked about how important magnesium is for your body. Now, let's answer some more questions about taking magnesium supplements. We'll cover things like why it's good for you when to take it, and how it affects your health overall.

    Magnesium's role in exercise performance

    New research shows that magnesium can help you be better at exercising and recover faster. In a recent study, people who took magnesium performed better during exercise.

    This improvement was because magnesium helped reduce lactate buildup in their bodies. This suggests that athletes or people engaging in regular physical activity could greatly benefit from magnesium supplementation.

    The bioavailability of magnesium

    The form of magnesium you choose can affect its absorption and effectiveness. Magnesium citrate and bis-glycinate are some of the forms that have higher bioavailability.

    Adding these to your diet could optimize the health benefits you get. Understanding the differences between these forms and choosing one that best suits your health needs is essential.

    Long-term supplementation and health

    Consistent, long-term magnesium supplementation has improved many health factors. For example, multiple studies showed improved sleep.

    Long-term health benefits

    Magnesium's effects over weeks to months highlight its value as a long-term contributor to wellness rather than a quick fix.

    Compatibility with medications and foods

    While magnesium is generally safe and beneficial, it's important to be careful with certain medications and foods. Some antibiotics and blood pressure medications can stop your body from absorbing magnesium properly. Take them a few hours apart to avoid problems and ensure your body gets the most out of your supplements and medicines.

    You’ll want to discuss taking a magnesium supplement if you take medications for the following conditions:

    • Infection
    • Cardiovascular disease
    • Heart rhythm
    • Diabetes
    • Irregular hormone levels
    • Thyroid disorder
    • Osteoporosis
    • Inflammation

    Dos and don'ts of taking magnesium supplements

    Magnesium is a vital mineral that supports numerous bodily functions, but determining the best time to take it can maximize its benefits. To help you make the most of your magnesium supplementation, we've compiled a list of key dos and don'ts. Follow these guidelines to enhance your health and well-being effectively.


    • icon

      Take magnesium consistently for long-term benefits.

    • icon

      Consume with meals for better absorption and less digestive discomfort.

    • icon

      Adjust timing based on goals: morning for energy, evening for sleep.

    • icon

      Choose magnesium citrate or bis-glycinate for better absorption.

    • icon

      Consult your doctor if you have medical conditions or take medications.


    • icon

      Avoid taking with high oxalic acid foods like spinach.

    • icon

      Don’t focus solely on timing; consistency is key.

    • icon

      Don’t take magnesium with calcium, zinc, or iron simultaneously.

    • icon

      Avoid supplements if you have severe kidney problems without medical advice.

    • icon

      Be aware of interactions with medications like antibiotics and blood pressure drugs.

    Frequently asked questions (FAQ)

    Here are some of the most frequently asked questions about the best time to take magnesium.

    Final thoughts

    In our guide on magnesium supplements, we covered when and how to take them effectively. Magnesium offers many health benefits, like better sleep, improved exercise performance, and stress management.

    To get the most out of magnesium, you must take it regularly and fit it into your lifestyle based on what works best for you and your health goals. For more info on how to improve your health routines, check out our complete probiotic guide.

    Sources and references


    Derick Rodriguez avatar

    Derick Rodriguez focuses on editing health and wellness-related content. With over half a decade of experience in the digital realm, Derick has developed a unique skill set that bridges the gap between complex health concepts and accessible, user-friendly communication. His approach is deeply rooted in leveraging personal experiences and insights to illuminate the nuances of health and wellness topics, making them more approachable and empowering readers with knowledge and confidence.

    Fact checker

    Dr. Dimitar Marinov avatar

    Dr. Marinov has years of experience in scientific research and preventive and clinical medicine. His publications in peer-reviewed journals are on nutritional status, physical activity, and musculoskeletal disorders among adolescents.

    At VitaRx, we're not just passionate about our work — we take immense pride in it. Our dedicated team of writers diligently follows strict editorial standards, ensuring that every piece of content we publish is accurate, current, and highly valuable. We don't just strive for quality; we aim for excellence.

    Related posts

    While you're at it, here are some other relevant articles you might be interested in.

    See all blog posts

    Get your personalized vitamin recommendations in less than
    5 minutes.

    Take the Health Quiz

    Get your personalized vitamin recommendations in less than
    5 minutes.

    Take the Health Quiz