How to choose the right Blackmores Magnesium supplement

Compare the Blackmores magnesium range, including tablets and powders for daily intake, sleep, muscle recovery and bone health. Find the right formula for you.

Choosing a magnesium supplement isn't always a one-product decision. The Blackmores magnesium range includes several different formulations, each developed with a different priority in mind. Some are built around daily nutritional support. Others combine magnesium with B vitamins, vitamin D, or ginseng. A few come as powders for those who prefer a drink to a tablet, and others are designed to be taken in the evening as part of a wind down routine.

This guide walks through how the range is structured, what distinguishes each product, and how to match a magnesium supplement to your individual wellness goals.

Why magnesium needs differ between people

Magnesium is an essential mineral, meaning the body can't make it and has to get it from food or supplements. It plays a role in more than 300 enzymatic reactions involved in muscle function, energy production, nervous system regulation, and bone structure.

How much each person needs varies. The NHMRC Nutrient Reference Values set the Recommended Dietary Intake (RDI) for adults at 400mg per day for men aged 19 to 30, rising to 420mg from age 31. For women, the RDI is 310mg per day from 19 to 30 and 320mg from age 31. Pregnant women over 19 need around 350mg to 360mg per day depending on age, and breastfeeding women over 19 need 310mg to 320mg per day.

Several factors influence individual magnesium needs:

• Age and life stage
• Activity level and physical demands
• Diet quality, particularly intake of green leafy vegetables, nuts, seeds, legumes and whole grains
• Pregnancy or breastfeeding
• Overall dietary patterns

According to the Australian Bureau of Statistics 2023 Usual Nutrient Intakes release, around 31% of Australians did not meet their magnesium requirements from food and drinks alone, although this was an improvement on 2011–12. This is where supplementation can have a place, helping to top up intake when food sources fall short.

Understanding the Blackmores magnesium range

The Blackmores magnesium range spans tablets and powders, single ingredient formulas and combination products. The differences come down to three things: the form of magnesium used, the dose per serve, and any additional nutrients included alongside it.

Different forms of magnesium have different absorption profiles. Magnesium glycinate and magnesium citrate are well absorbed and tend to be gentle on the stomach. Magnesium oxide delivers a higher amount of elemental magnesium per gram but is less easily absorbed. Many Blackmores formulas combine two or three forms to balance absorption with potency.

The dedicated magnesium products in the range include:

• Blackmores Magnesium and Blackmores MagMin® for daily general intake
• Blackmores Magnesium Glycinate for a gentle, well absorbed daily option
• Blackmores Bio Magnesium as a one a day high dose tablet with B6 and vitamin D
• Blackmores Super Magnesium+ as a high strength tablet with chromium, manganese and added vitamins
• Blackmores Recovery Magnesium Powder as a post exercise powder with ginseng and B vitamins
• Blackmores Sleep Sound Magnesium as an evening powder
• Blackmores Total Calcium + Magnesium + D3 as a combined bone health formula

Each one is designed to suit a particular wellness goal or daily pattern.

Choosing based on your wellness goals

Matching a magnesium supplement to your individual goal is the simplest way to narrow the options.

General daily magnesium intake

If your goal is to top up daily magnesium intake when dietary sources fall short, a single ingredient formula is often the simplest place to start. Blackmores MagMin® contains magnesium aspartate dihydrate in a small tablet that's easy to swallow. It's been part of the Blackmores range for years and remains a staple for those wanting a straightforward daily option.

Blackmores Magnesium is similarly focused on general daily intake and offers another accessible tablet option for everyday nutritional support.

Magnesium support for sleep and relaxation

Magnesium contributes to nervous system function and is involved in the body's stress response, which is part of why it features in evening wellness routines.

Blackmores Magnesium Glycinate uses the glycinate form, which is well absorbed and tends to be gentle on digestion. It's available as a daily tablet and supports nervous system function and healthy sleeping patterns.

Blackmores Sleep Sound Magnesium takes a different format. It's a powder to be mixed in water and taken 30 minutes to one hour before bed. The triple action formula is designed for sleep, muscle and mind support, providing a high dose, rapid absorbed magnesium complex in a liquid form.

Muscle support and exercise recovery

For active people, magnesium is often considered for its role in muscle function and electrolyte balance.

Blackmores Bio Magnesium is a one a day tablet combining two forms of magnesium with vitamin B6 and vitamin D. It delivers 301.5mg of elemental magnesium per tablet and supports muscle function, nervous system health, heart health and bone health.

Blackmores Super Magnesium+ is a high strength one a day tablet using three forms of magnesium (oxide, citrate, and amino acid chelate), with added chromium, manganese, vitamin B6, vitamin C, and vitamin D3. The total elemental magnesium per tablet is 305mg, positioned for those seeking muscle endurance and energy support when dietary intake is inadequate.

Blackmores Recovery Magnesium Powder is the post exercise option. It uses the MagAbsorb+™ complex (two highly absorbed forms of magnesium) alongside ginseng, vitamin C, vitamin B12, and folic acid. The lemon and lime flavoured powder mixes into 250mL of water for a one a day drink, intended for use after training or sport.

Bone health and combined nutrient support

Magnesium works alongside calcium and vitamin D for healthy bones. Blackmores Total Calcium + Magnesium + D3 brings these three nutrients together in a single tablet, making it a practical option for those focused on bone health rather than magnesium on its own.

Comparing formats and convenience factors

The format you choose can matter as much as the formulation. Tablets and powders each have their place.

Tablets suit people who already take other supplements and want a quick addition to their routine. The Blackmores Magnesium, MagMin®, Magnesium Glycinate, Bio Magnesium, and Super Magnesium+ tablets are all daily options. (MagMin® is the exception in dosing, typically taken in divided doses across the day.) Tablets travel well, store easily, and don't need preparation.

Powders are mixed into water and consumed as a drink. They can be a better choice for people who find swallowing tablets difficult, or who want a ritual element to their routine, such as a calming drink before bed or a refreshing drink after exercise. The Recovery Magnesium Powder and Sleep Sound Magnesium fall into this category, each flavoured to make them more enjoyable than plain powder.

If you're new to supplementation, consider how the product will fit into your day. The most effective magnesium routine is one you can stick with consistently.

Blackmores magnesium range at a glance

Building a magnesium routine that works

Once you've chosen a product, a few practical considerations help make supplementation work for you.

• Take it with food. Most magnesium supplements are better absorbed when taken with a meal, and this also reduces the chance of mild gastrointestinal effects.
• Be consistent. Magnesium supplementation works gradually. Daily use over weeks helps build your body's reserves.
• Avoid doubling up unnecessarily. Many multivitamins already include magnesium. If you're taking a comprehensive multivitamin alongside a dedicated magnesium supplement, check the labels to confirm you're not exceeding the NHMRC's upper level of intake for supplementary magnesium. This upper level applies specifically to magnesium from supplements, not the magnesium found naturally in food.
• Match timing to product purpose. A general daily magnesium tablet can be taken at any meal. A recovery powder is most relevant after exercise. A sleep focused powder is designed for the evening, around 30 minutes to one hour before bed.

If you'd like a closer look at how the range compares, explore the full Blackmores magnesium category page.

When to speak to a health professional

A magnesium supplement is one part of a broader wellness picture. If you're managing a health condition, taking prescription medications, pregnant, or breastfeeding, a conversation with a health professional helps make sure your choice fits your circumstances.

People with kidney conditions, in particular, should always consult a doctor before starting a magnesium supplement, as the kidneys are responsible for clearing excess magnesium from the body.

For anyone experiencing ongoing muscle cramps, fatigue, sleep difficulties, or other persistent symptoms, supplementation is best discussed with a GP or pharmacist who can review your full picture and rule out any underlying causes.

Frequently asked questions

Which Blackmores magnesium should I take for muscle cramps?

Blackmores Bio Magnesium and Blackmores Super Magnesium+ are both formulated to help relieve muscle cramps, tension and stiffness when dietary intake is inadequate. Blackmores Recovery Magnesium Powder is also designed with muscle support in mind, particularly for active people focused on post exercise recovery.

Which Blackmores magnesium is best for sleep?

Blackmores Sleep Sound Magnesium is a powder formulated for evening use and supports healthy sleep patterns. Blackmores Magnesium Glycinate is also commonly chosen by those who prefer a tablet and want a gentle form of magnesium that supports nervous system function and healthy sleeping patterns.

Can I take Blackmores magnesium with a multivitamin?

Yes, in most cases. Many multivitamins contain a small amount of magnesium, so check the combined intake against the NHMRC's supplementary upper level of 350mg per day. If you're unsure, ask a pharmacist or health professional.

What's the difference between Blackmores MagMin® and Blackmores Magnesium?

Both are single ingredient magnesium tablets designed for daily use. MagMin® contains magnesium aspartate dihydrate in a small, easy to swallow tablet, and is typically taken in divided doses across the day. Blackmores Magnesium is another straightforward daily tablet option for general magnesium support.

Should I take magnesium in the morning or at night?

It depends on the product. General daily tablets can be taken at any meal. Sleep Sound Magnesium is designed for evening use, 30 minutes to one hour before bed. Recovery Magnesium Powder is typically taken after exercise.

Key takeaways

The Blackmores magnesium range offers variety because magnesium needs differ between people. Active adults, those building an evening routine, people looking for general daily intake, and those wanting bone health support each have options designed with their goal in mind.

The most useful product is the one that matches your goal and that you'll consistently take. Tablets suit those who prefer a quick daily addition to their routine. Powders work well for people who want a drink based ritual or who'd rather not swallow tablets.

If you're unsure which product is right for you, a Blackmores naturopath or your local pharmacist can help you choose based on your dietary patterns, activity level and overall wellness goals.

Always read the label and follow the directions for use.

Disclaimer: This article provides general information only and is not intended to diagnose, treat, cure, or prevent any disease. The information presented is not a substitute for professional medical advice. If you have concerns about your health, please consult your GP or healthcare provider for a personalised assessment and recommendations. Supplements should not replace a balanced diet.