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# Top Magnesium-Rich Foods to Add to Your Diet
- URL: https://blog.groovehealth.com/foods-with-magnesium/
- Published: 2026-08-19T12:06:24.000Z
- Updated: 2026-08-19T20:28:17.000Z
- Description: Roughly half your body's magnesium is stored in your skeleton, yet 48% of Americans get less than they need. These nine everyday foods close the gap without counting a single milligram.
- Author: Groove Editorial Team
- Tags: Nutrition, Magnesium, Bone Health, Bone Density

## Why Magnesium-Rich Foods Matter for Older Adults' Bone Health

Foods with **magnesium** are some of the most powerful tools you have for supporting strong bones, steady energy, and a healthy heart as you get older. Here are the top sources to know about:

Best foods with magnesium at a glance:

| Food                          | Serving Size | Magnesium |
| ----------------------------- | ------------ | --------- |
| Pumpkin seeds                 | 1 oz         | 156 mg    |
| Chia seeds                    | 1 oz         | 111 mg    |
| Almonds (dry roasted)         | 1 oz         | 80 mg     |
| Spinach (boiled)              | 1/2 cup      | 78 mg     |
| Cashews (dry roasted)         | 1 oz         | 74 mg     |
| Oatmeal (cooked)              | 1 cup        | 60 mg     |
| Black beans                   | 1/2 cup      | \~60 mg   |
| Dark chocolate (70-85% cocoa) | 1 oz         | 64 mg     |
| Banana                        | 1 medium     | 32 mg     |

Magnesium is one of the most important minerals in your body. It plays a role in more than 300 processes, from keeping your heart beating steadily to helping your muscles work the way they should. It is also a key building block of bone itself, with roughly half of your body's magnesium stored directly in your skeleton.

Despite how important it is, nearly half of American adults do not get enough magnesium from their diet. That gap tends to get wider with age, since older adults absorb less magnesium from food and lose more of it through the kidneys.

The good news? You do not need to overhaul your diet or count milligrams every day. A consistent variety of magnesium-rich whole foods, things most people already enjoy, can go a long way toward closing that gap and supporting your bone health for the long term.

Quick guides to magnesium-rich foods for bone health:

- [Bone building foods](https://blog.groovehealth.com/bone-building-foods/)
- [Calcium rich foods](https://blog.groovehealth.com/calcium-rich-foods/)
- [Calcium absorption tips](https://blog.groovehealth.com/calcium-absorption-tips/)

## What Is Magnesium and Why Do Your Bones Need It?

To understand why magnesium is so important, it helps to look at how your bones are built. Bones are living tissues that constantly break down and rebuild themselves. Magnesium is a vital structural mineral, meaning it makes up a physical part of your bone matrix. In fact, about 50% to 60% of the magnesium in your body is stored directly in your bones.

Magnesium works behind the scenes by supporting osteoblasts, the cells that build new bone. When your body does not get enough magnesium from the foods you eat, it will actively pull this mineral out of your bones to keep your blood levels steady. Over time, this borrowing process can make your bones weaker and more fragile.

This mineral also acts as a key teammate for other nutrients. For example, your body cannot use vitamin D properly without magnesium. Most of the enzymes that convert vitamin D into its active form, the form your body can actually use, require magnesium to work. Because active vitamin D is what allows your gut to absorb calcium, a magnesium shortage can cause a chain reaction that leaves your bones without the calcium they need to stay strong.

If you want to protect your skeletal system, learning about how these minerals interact is a great place to start. You can read more about [essential nutrients for bone health](https://blog.groovehealth.com/essential-nutrients-for-bone-health/) to see how they work together, or [read about osteoporosis](https://www.niams.nih.gov/health-topics/osteoporosis?ref=blog.groovehealth.com) to understand how thinning bones develop.

## How Much Magnesium Do You Need?

The amount of magnesium you need each day depends on your age and sex. The federal government sets a baseline guideline called the Recommended Dietary Allowance. The target steps up at age 31 and then stays flat, so most adults over 50 need the same amount they needed in their forties.

| Age Group           | Daily Target for Men | Daily Target for Women |
| ------------------- | -------------------- | ---------------------- |
| Adults 19–30        | 400 mg               | 310 mg                 |
| Adults 31–50        | 420 mg               | 320 mg                 |
| Adults 51 and older | 420 mg               | 320 mg                 |

Meeting these targets does not mean you need to track every single milligram. Instead, focusing on adding a few servings of foods with **magnesium** to your plate throughout the day is a much simpler and more sustainable approach.

## Top Magnesium-Rich Foods

![an older couple enjoying a colorful meal filled with leafy greens, nuts, and seeds in a sunny kitchen](https://images.bannerbear.com/direct/4mGpW3zwpg0ZK0AxQw/requests/000/155/202/786/nE38ekNX9QnoZm1yYMamprWxZ/ef995d21e7224c126a99506ec11981b096ba2a5c.jpg "an older couple enjoying a colorful meal filled with leafy greens, nuts, and seeds in a sunny kitchen")

Getting enough magnesium is easiest when you focus on dietary variety. Fiber-rich plant foods, such as seeds, nuts, leafy greens, and whole grains, are naturally high in this mineral. This is because plants absorb magnesium from the soil to help them capture sunlight and grow.

If you want the full clinical picture on intake, absorption and status, you can [see the NIH magnesium fact sheet](https://ods.od.nih.gov/factsheets/Magnesium-HealthProfessional/?ref=blog.groovehealth.com) for the underlying data.

### Seeds and Nuts: The Most Concentrated Sources

Nuts and seeds are some of the most concentrated sources of magnesium you can find. Just a small handful can get you very close to your daily target.

- **Pumpkin seeds**: These small seeds are magnesium powerhouses. A single one-ounce serving provides 156 milligrams of magnesium, which is over a third of what you need for the entire day.
- **Chia seeds**: Chia seeds offer 111 milligrams per ounce. They are also highly versatile and can be stirred into oatmeal or yogurt.
- **Almonds**: One ounce of dry roasted almonds contains 80 milligrams of magnesium. They make an excellent, portable snack.
- **Cashews**: Providing 74 milligrams per ounce, cashews are another delicious option that supports your skeletal health.

### Leafy Greens and Vegetables

Dark leafy greens are another excellent source of magnesium. When greens are cooked, they shrink in volume, which makes it much easier to eat a larger portion and get more minerals in a single serving.

- **Boiled spinach**: A half-cup of cooked spinach delivers 78 milligrams of magnesium.
- **Swiss chard**: This leafy green is highly mineral-dense and can be easily sautéed with garlic and olive oil.
- **Baked potato with skin**: Keeping the skin on your potato is a great way to retain its nutrients. One medium baked potato with the skin on provides 50 milligrams of magnesium.

The way you prepare your vegetables matters. High-heat cooking methods, such as boiling them in large pots of water and then throwing the water away, can cause minerals to leach out of the food. To keep the magnesium in your vegetables, try steaming them with a small amount of water or sautéing them gently instead. You can see how different vegetables compare by taking a look at the [magnesium values in USDA FoodData Central](https://fdc.nal.usda.gov/food-search?query=magnesium&ref=blog.groovehealth.com).

### Whole Grains, Legumes, and Other Surprising Sources

You can also find magnesium in many everyday pantry staples:

- **Oatmeal**: One cup of cooked oatmeal provides *about 60 milligrams* of magnesium, depending on the type of oats.
- **Black beans**: These fiber-rich legumes provide about *60 milligrams of magnesium per half-cup cooked*.
- **Soybeans**: Cooked mature soybeans are magnesium-rich, with roughly *70 to 75 milligrams per half-cup*. Edamame and tofu also contain magnesium, though amounts vary by preparation.
- **Dark chocolate**: One ounce of dark chocolate with *70% to 85% cocoa* provides about *64 milligrams of magnesium*.
- **Tap water**: Tap, bottled, and mineral water can contain magnesium, but the amount varies widely by location and source, from *about 1 milligram to more than 120 milligrams per liter*.

## Signs of Magnesium Deficiency and Who Is at Risk

Because the body is very good at pulling magnesium from the bones to keep blood levels steady, a standard blood test may not show a shortage until it becomes severe.

[Early signs that your body might be low on magnesium](https://blog.groovehealth.com/magnesium-deficiency-signs/) include:

- Muscle cramps or spasms, especially in the calves or feet
- Unexplained fatigue or weakness
- Loss of appetite or mild nausea

Older adults are at a higher risk for running low on this mineral. As we age, our digestive tract becomes less efficient at absorbing nutrients from our food. At the same time, our kidneys tend to excrete more minerals. Many older adults also take daily medications, such as diuretics for blood pressure or proton pump inhibitors for acid reflux, which can actively drain the body's magnesium stores.

If you want to understand how these deficiencies can impact your overall skeletal strength over time, you can [read about bone health and osteoporosis](https://www.bonehealthandosteoporosis.org/patients/what-is-osteoporosis/?ref=blog.groovehealth.com).

## Should You Get Magnesium from Food or Supplements?

A food-first approach is always the best way to get your daily nutrients. When you eat whole foods, you get a natural package of vitamins, minerals, healthy fats, and fiber that work together synergistically. Increasing your intake of magnesium through foods like seeds and leafy greens is highly safe and will not cause digestive upset.

However, if you have been diagnosed with thinning bones, your doctor may recommend a supplement to ensure you are meeting your goals. If you do use a supplement, it is important to know that different forms have different effects:

- [Magnesium glycinate](https://blog.groovehealth.com/magnesium-glycinate-for-bones/): This form is highly bioavailable, meaning your body absorbs it easily, and it is very gentle on the stomach.
- **Magnesium citrate**: This form is also well-absorbed, but it can have a mild laxative effect in higher doses.
- **Magnesium oxide**: This form is less easily absorbed by the body but is often used in smaller, concentrated tablets.

According to the NIH Office of Dietary Supplements, adults should generally keep magnesium from supplements or medications **below** the upper limit of **350 milligrams per day** unless a clinician recommends otherwise, since higher doses can cause diarrhea, nausea, and abdominal cramping. Talk with your healthcare team before adding magnesium, especially if you take other medications. You can [learn about supplements for bone health](https://blog.groovehealth.com/supplements-for-bone-health/) to compare your options.

## Frequently Asked Questions About Magnesium

### Can you get too much magnesium from food?

No. It is highly unlikely to get too much magnesium from food alone. Healthy kidneys are very efficient at filtering out any excess magnesium you eat and removing it through your urine. Toxicity risks almost always come from taking high-dose supplements or overusing certain over-the-counter laxatives.

### How does cooking affect the magnesium in your food?

Because magnesium is water-soluble, boiling vegetables in large amounts of water can cause some of the mineral content to escape into the cooking water. To preserve the nutrients, try steaming, roasting, or sautéing your vegetables instead of boiling them.

### Why does magnesium matter for vitamin D?

[Magnesium acts as an essential key that turns on vitamin D](https://blog.groovehealth.com/vitamin-d3-bone-density-complete-guide/). Without enough magnesium, the enzymes that convert vitamin D into its active form cannot do their job. This means that even if you take a vitamin D supplement, your body may not be able to use it to absorb calcium unless your magnesium levels are adequate.

## Building a Bone-Friendly Plate, One Meal at a Time

Adding more foods with **magnesium** to your daily meals is a simple, delicious, and highly effective way to support your **bone strength**, improve your energy, and protect your overall health. By focusing on a colorful variety of seeds, nuts, leafy greens, and whole grains, you can easily give your skeleton the daily support it needs.

However, nutrition is only one part of the equation. While magnesium provides the essential structural building blocks your bones need, they require physical stimulation to actually absorb these minerals and grow stronger. This is why dietary changes are most effective when paired with a targeted physical activity plan.

Through Groove Health, we connect you with a physical therapist who designs a personalized, home-based exercise plan tailored specifically to your body. This care model combines progressive resistance training and balance exercises to actively stimulate bone remodeling, helping you build bone strength and prevent fractures and falls from the comfort of your home.

If you are ready to take the next step in protecting your bone health, you can [start your bone health journey today](https://my.groovehealth.com/signup/osteo/start?ref=blog.groovehealth.com) and see how personalized care can make a difference.

## Works Cited

1. National Institutes of Health, Office of Dietary Supplements. "[Magnesium: Fact Sheet for Health Professionals](https://ods.od.nih.gov/factsheets/Magnesium-HealthProfessional/?ref=blog.groovehealth.com)." *NIH Office of Dietary Supplements*, 2022.
2. U.S. Department of Agriculture, Agricultural Research Service. "[FoodData Central: Magnesium Content of Foods](https://fdc.nal.usda.gov/food-search?query=magnesium&ref=blog.groovehealth.com)." *USDA FoodData Central*, 2019.
3. Rondanelli M, Faliva MA, Tartara A, Gasparri C, Perna S. "[An update on magnesium and bone health](https://pubmed.ncbi.nlm.nih.gov/33959846/?ref=blog.groovehealth.com)." *Biometals*, 2021.
4. Castiglioni S, Cazzaniga A, Albisetti W, Maier JA. "[Magnesium and osteoporosis: current state of knowledge and future research directions](https://pubmed.ncbi.nlm.nih.gov/23912329/?ref=blog.groovehealth.com)." *Nutrients*, 2013.

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*This content is for informational purposes only and does not constitute medical advice. Consult a qualified healthcare professional for diagnosis and treatment. If you are on Medicare and interested in a personalized bone health program, you can check your eligibility at groovehealth.com.*