What is the optimal daily magnesium dosage for women?

Magnesium supports a variety of vital functions in the body. It helps regulate muscle and nerve function, blood sugar levels, and blood pressure. Additionally, it plays a part in making protein, bone, and DNA. 

For women, magnesium’s benefits go even further. It provides relief from premenstrual syndrome (PMS) symptoms, supports bone health, and improves mood [1].

Sometimes, a well-balanced diet is not enough, especially for those with specific health conditions or dietary restrictions. In such cases, magnesium supplements can be a helpful addition. 

However, to prevent potential side effects, it’s important to choose the right supplement and avoid exceeding the recommended daily amount.

How much magnesium per day does a woman need?

Getting the right amount of magnesium daily is crucial for women’s health. This mineral is vital in everything from muscle function to bone health. Ensuring the right amount helps support muscle and nerve function, bone health, and overall well-being.

Let’s break down the recommended daily magnesium dosage for women at different stages of life.

General guidelines

Understanding the recommended daily intake of magnesium can help you maintain optimal health. Here’s a quick guide:

Age groupRecommended daily intake (milligrams)
Women (Ages 19-30)310 mg
Women (Ages 31 and older)320 mg
Pregnant women (Ages 19-30)350 mg
Pregnant women (Ages 31+)360 mg
Breastfeeding women (Ages 19-30)310 mg
Breastfeeding women (Ages 31+)320 mg

Note that pregnancy increases the need for magnesium to support both maternal and fetal health [2]. Benefits of adequate magnesium intake during pregnancy include:

  • Reducing the risk of complications such as preeclampsia.
  • Promoting healthy fetal growth and development.
  • Supporting the mother’s muscle and nerve functions.

Ensure your diet includes magnesium-rich foods or consider supplements if necessary; always consult with your healthcare provider first.

These guidelines provide a baseline for most women, but specific life stages require adjustments.

woman reading label of supplement bottle
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Special considerations

Certain women might need to adjust their magnesium intake due to specific health conditions:

  • Gastrointestinal diseases: Conditions like Crohn’s or celiac disease may impair magnesium absorption [3], requiring higher intake.
  • Diabetes: Additional magnesium can help regulate blood sugar levels.
  • Highly active women: Athletes or those with high physical activity levels might need more due to increased magnesium loss through sweat.

Regularly include magnesium-rich foods in your diet and consider supplements if necessary. Always consult a healthcare professional to determine the right dosage for your needs.

Monitoring and adjusting intake

Maintaining optimal magnesium levels starts with a balanced diet. Incorporate foods high in magnesium into your diet, such as legumes, whole grains, nuts, and seeds, as well as leafy greens.

Supplements can assist if your diet isn’t enough to meet your daily demands.

  • Supplements: Choose the right type, such as magnesium glycinate or citrate, and follow the recommended dosage to avoid side effects.
  • Blood tests: Regular testing can help monitor your magnesium levels and identify deficiencies early.
  • Consult healthcare professionals: Always seek advice from your doctor before starting supplements, especially if you have health conditions like gastrointestinal diseases or diabetes.

Practical tips to boost magnesium intake include:

  • Incorporate a variety of magnesium-rich foods.
  • Proper hydration aids magnesium absorption.
  • Use a food diary or app to track magnesium consumption and adjust as needed.

These steps help ensure you maintain the right magnesium levels for overall health.

What food is highest in magnesium?

Including foods high in magnesium in your diet is a good method to get the recommended daily intake [4]. Here are a few excellent sources:

  • Leafy green vegetables: Kale, spinach, and Swiss chard are excellent choices. These greens can be used for salads, smoothies, and cooked dishes. 
  • Nuts and seeds: Almonds, cashews, pumpkin seeds, and sunflower seeds provide a significant magnesium boost. Enjoy them as snacks or add them to meals for extra crunch and nutrition.
  • Whole grains: Foods like brown rice, quinoa, and whole wheat bread are great sources. They can be used as bases for various meals or side dishes.
  • Fish: Salmon, mackerel, and halibut are rich in magnesium and also provide healthy omega-3 fatty acids.
  • Legumes: Black beans, lentils, and chickpeas are versatile and nutritious. Incorporate them into soups, stews, salads, or as side dishes.
  • Fruits: Avocados, bananas, and dried figs are tasty and convenient sources of magnesium. They make great additions to smoothies and salads or can be eaten on their own.

What are the symptoms of a lack of magnesium?

Magnesium is an essential mineral that is necessary for a variety of body processes, such as blood sugar regulation, muscle and neuron function, and bone health.

Despite its importance, magnesium deficiency is relatively common, particularly among women [5]. Understanding the signs of magnesium deficiency can help you take proactive steps to address it.

Muscle cramps and spasms

Frequent muscle cramps or spasms can signal a magnesium deficiency [6]. Without enough magnesium, muscles can contract involuntarily, causing painful cramps and spasms. 

Leg cramps are common and can be especially painful at night, causing disturbances in sleep. Consider increasing your intake of magnesium if you frequently have cramping in your muscles.

Including foods high in magnesium, such as whole grains, nuts, seeds, and leafy greens, in your diet can help reduce these symptoms. If dietary changes aren’t enough, consider consulting a healthcare professional about magnesium supplements to ensure you’re meeting your daily needs.

Fatigue and weakness

Persistent fatigue and weakness might indicate a magnesium deficiency [7]. Without enough magnesium, your body struggles to maintain optimal energy levels, leaving you feeling tired and weak. 

This can affect your daily activities and overall productivity. Consider evaluating your magnesium intake if you notice constant fatigue despite adequate rest. 

Enhance your diet with magnesium-rich foods like spinach, almonds, and avocados. If dietary changes aren’t sufficient, consult a healthcare provider about magnesium supplements to help boost your energy levels and combat fatigue effectively.

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Mental health issues

Magnesium deficiency can significantly impact mental health, leading to issues such as depression and anxiety [8]. Low levels of magnesium can disrupt neurotransmitter activity and stress response, contributing to feelings of sadness, irritability, and anxiety. 

If you’re experiencing unexplained mood swings, persistent anxiety, or depression, it might be linked to inadequate magnesium intake. 

Incorporating magnesium-rich foods like dark chocolate, nuts, and legumes can help. Additionally, consult with a healthcare professional to discuss the potential need for magnesium supplements.

High blood pressure

High blood pressure, or hypertension, can indicate magnesium deficiency [9]. Magnesium helps relax blood vessels and regulate blood pressure. Without enough magnesium, blood vessels can constrict, increasing blood pressure. This may increase the chance of stroke and heart disease. 

You should consider reviewing your magnesium intake if you have high blood pressure. Eating foods high in magnesium, such as whole grains, nuts, seeds, and leafy greens, can help control blood pressure.

If dietary changes are insufficient, discuss with your healthcare provider the possibility of taking magnesium supplements. Maintaining adequate magnesium levels is crucial for cardiovascular health and can help keep your blood pressure in check.

Irregular heartbeat

An irregular heartbeat or arrhythmia can indicate a magnesium deficiency [10]. Magnesium regulates electrical signals and is essential for maintaining normal heart rhythm. 

When magnesium levels are low, these signals can become erratic, leading to arrhythmias. Symptoms may include palpitations, a racing heart, or a feeling of skipped beats. If you experience these symptoms, it is important to assess your magnesium intake. 

Incorporating magnesium-rich foods like fish, whole grains, nuts, and leafy greens can help. If dietary changes aren’t enough, consult a healthcare provider about magnesium supplements. 

Ensuring adequate magnesium levels can help stabilize your heart rhythm and support overall cardiovascular health.

How can I increase magnesium?

Achieving optimal magnesium levels can be simple with the right approach:

  • Include magnesium-rich foods like leafy greens, nuts, seeds, whole grains, fish, and legumes in your meals.
  • Proper hydration aids in magnesium absorption.
  • These often lack essential nutrients, including magnesium.
  • If dietary intake isn’t enough, magnesium supplements can help. There are different types of magnesium, including magnesium citrate and glycinate.
  • Get your magnesium levels checked periodically to ensure you’re meeting your needs.

Following these tips can help maintain healthy magnesium levels and support overall well-being.

Final takeaways

Magnesium plays a crucial role in maintaining overall health, especially for women. Recognizing the signs of deficiency, such as muscle cramps, fatigue, mood disturbances, high blood pressure, and irregular heartbeat, can help you take proactive steps to address your magnesium needs.

Maintaining proper magnesium levels involves more than just diet. Stay hydrated to aid absorption, limit processed foods that often lack essential nutrients, and regularly monitor your magnesium levels with the help of a healthcare provider.


What are the main benefits of magnesium for women?

Magnesium supports muscle function, bone health, and mood regulation. It also helps alleviate PMS symptoms and maintain normal blood pressure.

How can I tell if I’m not getting enough magnesium?

Common signs include muscle cramps, fatigue, and mood changes. If you experience these symptoms, consider evaluating your magnesium intake.

Are there any risks associated with taking magnesium supplements?

Excessive magnesium from supplements can cause diarrhea, nausea, and stomach cramps. Always consult with a healthcare professional before starting any supplement.

How often should I check my magnesium levels?

Regular check-ups with your healthcare provider can help monitor your magnesium levels. It’s especially important if you have health conditions that affect magnesium absorption.

[1] https://viridian-nutrition.com/blogs/nutrition-articles/why-magnesium-is-essential-for-women
[2] https://natalist.com/blogs/learn/benefits-of-magnesium-during-pregnancy
[3] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5652077/
[4] https://www.webmd.com/diet/magnesium-and-your-health
[5] https://medlineplus.gov/ency/article/000315.htm
[6] https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2146789/
[7] https://www.houstonmethodist.org/blog/articles/2023/apr/magnesium-deficiency-symptoms-causes-how-to-test-for-it/
[8] https://www.diasporal.com/en/magnesium-deficiency/effects/magnesium-mental-health
[9] https://www.buzzrx.com/blog/a-magnesium-deficiency-can-lead-to-these-chronic-health-conditions
[10] https://bmccardiovascdisord.biomedcentral.com/articles/10.1186/s12872-018-0857-6

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