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The Benefits of Magnesium Balm Relieving Muscle Cramps in Pregnancy

  • February 04, 2025

If you’ve ever been jolted awake at 3 am by a sharp leg cramp while pregnant, you’re not alone. Muscle cramps, restless legs, and body aches are among the most common (and frustrating) side effects of pregnancy, especially as your body adapts to its growing role. The good news? A gentle, natural remedy is gaining well-deserved attention: magnesium balm in pregnancy.

In this guide, we’ll explore what magnesium is, how it works, why it’s pregnancy-safe, and how incorporating a simple magnesium balm into your routine can bring sweet relief, day and night.

What Causes Muscle Cramps During Pregnancy?

Muscle cramps in pregnancy, particularly in the legs and calves, are often caused by a combination of:

  • Increased pressure on nerves and blood vessels from your growing uterus

  • Hormonal changes that affect how your body handles minerals like calcium and magnesium

  • Poor circulation or fatigue, especially in the later trimesters

  • Dehydration or nutrient imbalances, which are more common than you might think

Cramps often worsen at night, making sleep even more elusive for expectant mums.

What Is Magnesium Balm?

Magnesium balm is a topical cream enriched with magnesium chloride, a form of magnesium that can be absorbed through the skin. Unlike oral supplements, which can sometimes upset sensitive tummies during pregnancy, magnesium balm is gentle, targeted, and doesn’t require digestion.

Our Sleepybelly Magnesium Body Cream is specially formulated with mums in mind. It blends naturally derived ingredients like:

  • Magnesium chloride – to help relax muscles and calm the nervous system

  • Shea butter – to nourish dry or stretched skin

  • Sweet almond oil – to hydrate and promote elasticity

  • Lavender – for a calming, sleep-supportive scent

Why Use Magnesium Balm in Pregnancy?

Magnesium plays a vital role in over 300 biochemical reactions in the body—including muscle relaxation, nerve function, and sleep regulation. During pregnancy, your body demands more magnesium than usual, but many women struggle to get enough from diet alone.

Benefits of Using Magnesium Balm in Pregnancy:

  • Relieves leg and foot cramps

  • Soothes back and hip tension

  • Supports more restful sleep

  • Calms the nervous system, helping reduce anxiety

  • Hydrates itchy or stretched skin

A 2017 review highlights transdermal magnesium as a promising alternative for improving sleep and reducing muscular tension during pregnancy, particularly for those sensitive to oral supplements.

How to Use Magnesium Balm Safely During Pregnancy

Using magnesium balm is easy and safe when used correctly. Here’s what to keep in mind:

  • Apply a small amount to affected areas such as calves, feet, lower back, or shoulders

  • Use before bed to wind down or after a long day on your feet

  • Massage gently into the skin. Don’t apply to broken or irritated skin

  • Start with a patch test if you have sensitive skin

  • Store in a cool, dry place to preserve texture and scent

Tip: Pair with gentle stretching or light prenatal yoga to boost results.

What to Look Out For When Choosing a Magnesium Balm

Not all balms are created equal. When shopping, keep an eye out for:

  1. Pregnancy-safe formulations – No artificial fragrances, parabens, or harmful preservatives

  2. Natural, nourishing ingredients – Shea butter, almond oil, or aloe vera for added skin benefits

  3. Transparent sourcing – Look for brands that share where their magnesium is derived

  4. Calming scent (or no scent) – Avoid overpowering perfumes, especially if you're sensitive to smells during pregnancy

Our Sleepybelly Magnesium Balm ticks every box; it’s gentle, clean, effective, and designed specifically for pregnancy and postpartum use.

What to Pack for Magnesium-Powered Comfort

If you’re prepping your hospital bag or just building a nightly self-care routine, here’s what to include for full-body relief:

  • Magnesium Balm – Your bedtime go-to for cramps and calm

  • Stretchy, soft sleepwear – Like our Three-Piece Maternity Pyjamas

  • Water bottle – Staying hydrated helps reduce cramping, too

  • Essential oil roller or pillow mist – For extra sensory relaxation

  • Journal or affirmation cards – To unwind emotionally before sleep

When to Speak to a Healthcare Professional

While magnesium balm is safe for most women during pregnancy, always check in with your GP, midwife, or obstetrician if:

  • You’re considering combining topical and oral magnesium

  • You have a kidney condition or magnesium-related health concerns

  • Cramps are persistent, severe, or worsening

You can also check guidelines from organisations like Jean Hailes for Women’s Health for more support around pregnancy-safe supplements and remedies.

Final Thoughts

When you're pregnant, every day brings something new, from fluttery kicks to not-so-glamorous leg cramps. Having magnesium balm in pregnancy as part of your routine can make a world of difference. It’s a small, soothing ritual that speaks volumes: I see you, I’ve got you, let’s rest.

Whether you're gifting it to yourself or another mum-to-be, think of magnesium balm not just as a cream, but as a soft exhale in the middle of an intense, beautiful journey.

Ready to experience the difference for yourself?
 Explore our Sleepybelly Magnesium Body Cream and discover why it’s a staple for thousands of Aussie mums seeking comfort, calm, and better sleep.

Read More

How Long Should You Wear Compression Socks Each Day During Pregnancy?

How Long Should You Wear Compression Socks Each Day During Pregnancy?

For most healthy pregnancies, the optimal routine is to wear maternity compression socks for 8 to 12 hours during your active daytime hours and take them off before sleep. Putting them on first thing in the morning, before fluid pools in your lower limbs, allows the graduated compression profile to actively manage fluid retention throughout your day. Taking them off at night is essential because lying flat levels your legs with your heart, rendering the socks unnecessary while giving your skin time to breathe.

This 8 to 12 hour window fits standard daily waking routines, whether you are sitting at a desk, working long standing shifts, or running errands. Compression socks are also highly beneficial during travel involving more than four hours of sitting to maintain healthy blood flow. While keeping them on for a brief daytime nap of 30 to 60 minutes is perfectly fine, they should always be removed for a full night's rest.

Pregnancy Compression Sock Size Guide: How to Measure for the Right Fit

Pregnancy Compression Sock Size Guide: How to Measure for the Right Fit

Ensuring proper fit for maternity compression socks is critical for managing pregnancy swelling and leg heaviness. Because compression socks use a graduated profile—firmest at the ankle and easing up the calf, an improper fit disrupts circulation benefits. Socks that are too large wrinkle and fail to deliver support, while undersized socks create a restrictive band that worsens fluid retention.

To ensure an accurate fit, always measure first thing in the morning when your legs are slimmest before daily fluid accumulation begins. Using a flexible tape measure, record the circumference of the narrowest part of your ankle (just above the bone) and the widest part of your calf in centimeters. Compare these numbers against a size chart, prioritizing ankle and calf dimensions over shoe size to maintain proper gradient pressure. If you fall between sizes, size up for ease of wear or earlier trimesters, and size down for a firmer, more supportive fit.

When putting on your socks, avoid hauling on the fabric over a third-trimester bump by using the unrolling method: turn the leg section inside out down to the heel, slide your foot into the footbed, and unroll the fabric smoothly up your calf. Ensure the top band sits roughly two finger-widths below the bend of your knee without rolling the cuff down, which prevents painful pressure bands and guarantees all-day circulatory support.

Sleep Sack With Sleeves vs. Sleeveless: Which Is Better for Your Baby?

Sleep Sack With Sleeves vs. Sleeveless: Which Is Better for Your Baby?

Transitioning your baby from a swaddle into an arms-free sleep sack around 12 weeks is a critical safety milestone once rolling begins. When deciding between sleeved and sleeveless sleep sacks, room temperature and versatility are the primary factors to evaluate. Sleeveless sleep sacks allow heat to regulate naturally through open armholes and make layering adjustments easy, though hands can feel chilly on cold nights. Sleeved designs provide uniform warmth for cold nurseries, but they offer little flexibility if the room temperature fluctuates overnight.

Convertible sleep sacks with removable press-stud sleeves offer the best balance by adapting quickly to changing conditions. Regardless of sleeve style, maintaining infant sleep safety requires selecting an appropriate TOG rating (1.0 TOG for mild rooms, 2.5 TOG for cooler spaces) and checking warmth by feeling your baby's chest or tummy rather than their hands. Choosing a bag with a wide, hip-healthy base and a two-way zip ensures proper joint development and easy nighttime changes while keeping your baby comfortable and safe.

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