Not all magnesium supplements are created equal. Here's how to choose the one your body actually needs.

Walk into any health store or search online for magnesium, and you'll quickly find yourself overwhelmed.

Magnesium glycinate.

Magnesium citrate.

Magnesium bisglycinate.

Magnesium malate.

Magnesium threonate.

Magnesium oxide.

They all contain magnesium—but they don't all work the same way.

And if you're a woman over 35 navigating changing hormones, restless nights, increased stress, muscle tension, or low energy, choosing the right type can make a real difference.

This guide will help you understand what magnesium does, why it's so important during midlife, and how to choose the form that's best suited to your needs.

Why Magnesium Matters

Magnesium is an essential mineral involved in more than 300 biochemical reactions in the body.

It supports nearly every system, including:

• Muscle function
• Nervous system health
• Energy production
• Bone health
• Sleep quality
• Heart function
• Blood sugar regulation
• Stress response
• Protein synthesis

Despite its importance, many adults don't consume enough magnesium through diet alone.

Modern diets, chronic stress, certain medications, digestive conditions, and ageing can all reduce magnesium status over time.

For women over 35, magnesium becomes particularly valuable because it supports many of the areas that commonly change during perimenopause and menopause.

Why Women Over 35 May Need More Magnesium

As hormone levels gradually shift, many women notice changes such as:

• Poor sleep
• Increased stress
• Muscle tightness
• Fatigue
• Headaches
• Mood fluctuations
• Reduced exercise recovery

Magnesium isn't a cure for these symptoms—but adequate intake can support the body's normal processes involved in sleep, muscle relaxation, nerve function, and energy metabolism.

Think of magnesium as one of the body's quiet multitaskers.

You may not notice it when levels are adequate.

But you often notice when they're not.

Food First: Where Magnesium Comes From

Before reaching for a supplement, it's worth looking at your plate.

Excellent food sources include:

• Pumpkin seeds
• Almonds
• Cashews
• Spinach
• Swiss chard
• Black beans
• Chickpeas
• Dark chocolate (70% cocoa or higher)
• Avocado
• Quinoa
• Tofu
• Edamame

A balanced, whole-food diet should always be the foundation.

Supplements are there to complement—not replace—good nutrition.

Why Are There So Many Types?

Magnesium is always attached to another compound.

That partner affects:

• How well it's absorbed
• How it's tolerated
• Where it tends to act in the body
• Whether it has additional benefits

This is why choosing the right form matters.

Let's break down the most common ones.

Magnesium Glycinate (or Bisglycinate)

Best for:

• Sleep support
• Stress management
• Muscle relaxation
• Everyday supplementation

This is one of the most popular forms—and for good reason.

Magnesium is bound to glycine, an amino acid involved in relaxation.

Benefits may include:

✓ Gentle on the stomach

✓ Highly absorbable

✓ Suitable for long-term use

✓ Less likely to cause digestive discomfort

If someone asks,

"Which magnesium should I start with?"

This is often an excellent place to begin.

Magnesium Citrate

Best for:

• Occasional constipation
• General supplementation

Citrate is also well absorbed.

However, it naturally draws water into the intestines, making it useful for people who experience occasional constipation.

For some people, though, higher doses can cause loose stools.

Magnesium Malate

Best for:

• Active lifestyles
• Muscle recovery
• Energy metabolism

Malate combines magnesium with malic acid, a compound involved in cellular energy production.

Many physically active people choose this form to support recovery after exercise.

If you're strength training, walking daily, or rebuilding fitness after 35, malate may be worth considering.

Magnesium L-Threonate

Best for:

• Cognitive health
• Focus
• Learning

This newer form has attracted interest because it appears to cross the blood-brain barrier more effectively than other forms.

Research is still evolving, but it has become popular among people interested in supporting memory and cognitive performance as they age.

Magnesium Taurate

Best for:

• Cardiovascular health
• Heart rhythm support

This form combines magnesium with taurine, an amino acid involved in heart and nervous system function.

Some healthcare professionals recommend it for people specifically looking to support cardiovascular health, though individual needs vary.

Magnesium Oxide

Best for:

• Short-term digestive support

Although magnesium oxide contains a relatively high amount of elemental magnesium, it's not absorbed as efficiently as other forms.

It's commonly used for constipation rather than for correcting magnesium intake over the long term.

Quick Comparison

How Much Magnesium Do Women Need?

For most adult women, the recommended dietary intake is approximately:

• 310 mg/day (ages 19–30)
• 320 mg/day (ages 31 and older)

These recommendations include magnesium from food and supplements combined.

Your individual needs may vary depending on diet, activity level, medications, and life stage.

Always speak with your healthcare professional before starting supplementation if you have kidney disease or other medical conditions.

When Should You Take Magnesium?

It depends on your goals.

Many people choose:

Evening

Especially glycinate, as it fits naturally into a relaxing bedtime routine.

After exercise

Malate or glycinate are popular options for active individuals.

With meals

Taking magnesium with food may improve tolerance for some people.

Consistency matters more than perfect timing.

Can You Take Too Much?

More isn't always better.

Very high supplemental doses can cause:

• Diarrhoea
• Nausea
• Stomach cramps

Stick to the recommended dose on the product unless advised otherwise by your healthcare professional.

How to Choose the Right Magnesium

Ask yourself one simple question:

What am I hoping to support?

If your priority is...

Better sleep and relaxation
→ Magnesium glycinate

Occasional constipation
→ Magnesium citrate

Exercise recovery and energy
→ Magnesium malate

Focus and cognitive health
→ Magnesium L-threonate

Heart health support
→ Magnesium taurate

There isn't one "best" magnesium.

There's simply the best one for your current needs.

The Discover Aurelia Perspective

Wellness after 35 isn't about chasing every new supplement.

It's about understanding your body and making informed choices.

Magnesium is one of the most researched and widely used minerals in nutrition—and for good reason.

When paired with a nutrient-rich diet, regular movement, restorative sleep, and healthy stress management, it can become part of a sustainable approach to feeling your best.

At Discover Aurelia, we believe that true wellness starts with knowledge.

Because when you understand why your body changes, you can support it with confidence—not confusion.

And sometimes, the smallest daily habits make the biggest difference over time.