
Magnesium
Magnesium
Magnesium is a mineral crucial for muscle function, bone health, and energy production. Found in leafy greens, bananas, nuts and seeds.
Magnesium is a mineral crucial for muscle function, bone health, and energy production. Found in leafy greens, bananas, nuts and seeds.
Magnesium
Normal range
Normal range
0.7-1.1 mmol/L
0.7-1.1 mmol/L
Normal range
0.7-1.1 mmol/L
0.7-1.1 mmol/L
Normal range


Magnesium
Magnesium
Magnesium is a mineral crucial for muscle function, bone health, and energy production. Found in leafy greens, bananas, nuts and seeds.
Magnesium
Normal range
0.7-1.1 mmol/L
Normal range
0.7-1.1 mmol/L
0.7-1.1 mmol/L
Normal range


Magnesium
Magnesium
Magnesium is a mineral crucial for muscle function, bone health, and energy production. Found in leafy greens, bananas, nuts and seeds.
Magnesium
Normal range
0.7-1.1 mmol/L
Normal range
0.7-1.1 mmol/L
0.7-1.1 mmol/L
Normal range


Magnesium


Dr. Thiviya Sivakanthan
MBBS
Your Body's Calming Conductor
Your Body's Calming Conductor
Every heartbeat, every muscle movement, and every nerve impulse in your body depends on magnesium, a mineral that acts like a calming conductor orchestrating hundreds of essential biochemical reactions. When magnesium levels drop too low, it can trigger muscle cramps, heart rhythm problems, and anxiety, whilst also undermining your bone health and energy production in ways that can leave you feeling exhausted and unwell without understanding why.
Magnesium is like your body's natural relaxation mineral, helping muscles contract and relax smoothly, keeping your heart beating steadily, and supporting your nervous system's ability to stay calm under pressure. Think of it as nature's stress-relief system—when magnesium levels are adequate, your body functions with smooth efficiency, but when they're depleted, everything from your muscles to your mood can become tense and unpredictable.
Every heartbeat, every muscle movement, and every nerve impulse in your body depends on magnesium, a mineral that acts like a calming conductor orchestrating hundreds of essential biochemical reactions. When magnesium levels drop too low, it can trigger muscle cramps, heart rhythm problems, and anxiety, whilst also undermining your bone health and energy production in ways that can leave you feeling exhausted and unwell without understanding why.
Magnesium is like your body's natural relaxation mineral, helping muscles contract and relax smoothly, keeping your heart beating steadily, and supporting your nervous system's ability to stay calm under pressure. Think of it as nature's stress-relief system—when magnesium levels are adequate, your body functions with smooth efficiency, but when they're depleted, everything from your muscles to your mood can become tense and unpredictable.
When Magnesium Levels Run Low
When Magnesium Levels Run Low
When Magnesium Levels Run Low
Discover why magnesium deficiency can cause muscle cramps, fatigue, and anxiety whilst undermining your heart and bone health.
Read more
What Depletes Your Magnesium Stores
What Depletes Your Magnesium Stores
What Depletes Your Magnesium Stores
From stress to medications, learn how modern life constantly drains this essential mineral from your system.
Read more
The Magnesium-Energy Connection
The Magnesium-Energy Connection
The Magnesium-Energy Connection
Understanding how this mineral powers your cells and why deficiency leaves you feeling exhausted despite adequate rest.
Read more
Understanding Your Results
Understanding Your Results
Understanding Your Results
Decode your numbers and know exactly what your magnesium levels mean for your muscle, heart, and bone health.
Read more
When Magnesium Levels Run Low
Low magnesium, or hypomagnesaemia, is like having insufficient oil in a car engine—everything still runs, but with increased friction, noise, and wear that gradually damages the system. Your muscles may cramp or twitch unexpectedly, your heart rhythm might become irregular, and you could experience anxiety or irritability as your nervous system struggles to maintain calm without adequate magnesium.
The effects of magnesium deficiency cascade throughout your body like a domino effect. Your muscles become hyperexcitable, leading to cramps, particularly in your legs or feet. Your cardiovascular system may develop irregular rhythms or elevated blood pressure as your heart muscle struggles to function smoothly without adequate magnesium support.
Chronic magnesium deficiency can contribute to osteoporosis by interfering with vitamin D metabolism and calcium regulation, like disrupting the construction crew responsible for maintaining your bone structure. Your energy production also suffers, as magnesium is essential for converting food into usable energy within your cells.
High magnesium levels are less common but can occur with kidney disease or excessive supplementation, causing muscle weakness, low blood pressure, and in severe cases, breathing difficulties. It's like having too much of a relaxing substance, where beneficial calming effects become problematic sedation.
When Magnesium Levels Run Low
Low magnesium, or hypomagnesaemia, is like having insufficient oil in a car engine—everything still runs, but with increased friction, noise, and wear that gradually damages the system. Your muscles may cramp or twitch unexpectedly, your heart rhythm might become irregular, and you could experience anxiety or irritability as your nervous system struggles to maintain calm without adequate magnesium.
The effects of magnesium deficiency cascade throughout your body like a domino effect. Your muscles become hyperexcitable, leading to cramps, particularly in your legs or feet. Your cardiovascular system may develop irregular rhythms or elevated blood pressure as your heart muscle struggles to function smoothly without adequate magnesium support.
Chronic magnesium deficiency can contribute to osteoporosis by interfering with vitamin D metabolism and calcium regulation, like disrupting the construction crew responsible for maintaining your bone structure. Your energy production also suffers, as magnesium is essential for converting food into usable energy within your cells.
High magnesium levels are less common but can occur with kidney disease or excessive supplementation, causing muscle weakness, low blood pressure, and in severe cases, breathing difficulties. It's like having too much of a relaxing substance, where beneficial calming effects become problematic sedation.
When Magnesium Levels Run Low
Low magnesium, or hypomagnesaemia, is like having insufficient oil in a car engine—everything still runs, but with increased friction, noise, and wear that gradually damages the system. Your muscles may cramp or twitch unexpectedly, your heart rhythm might become irregular, and you could experience anxiety or irritability as your nervous system struggles to maintain calm without adequate magnesium.
The effects of magnesium deficiency cascade throughout your body like a domino effect. Your muscles become hyperexcitable, leading to cramps, particularly in your legs or feet. Your cardiovascular system may develop irregular rhythms or elevated blood pressure as your heart muscle struggles to function smoothly without adequate magnesium support.
Chronic magnesium deficiency can contribute to osteoporosis by interfering with vitamin D metabolism and calcium regulation, like disrupting the construction crew responsible for maintaining your bone structure. Your energy production also suffers, as magnesium is essential for converting food into usable energy within your cells.
High magnesium levels are less common but can occur with kidney disease or excessive supplementation, causing muscle weakness, low blood pressure, and in severe cases, breathing difficulties. It's like having too much of a relaxing substance, where beneficial calming effects become problematic sedation.
What Depletes Your Magnesium Stores
Chronic stress acts like a magnesium vampire, constantly draining your stores as your body uses this mineral to manage stress hormones and maintain nervous system function. Every stressful situation demands magnesium resources, and modern life's relentless pace can gradually exhaust your reserves faster than diet alone can replenish them.
Many common medications deplete magnesium, including diuretics, proton pump inhibitors for acid reflux, and some antibiotics. These medications work like hidden drains on your magnesium supply, gradually reducing levels over time without obvious symptoms until deficiency becomes severe.
Digestive problems, including irritable bowel syndrome, celiac disease, or chronic diarrhoea, can prevent proper magnesium absorption even when your diet contains adequate amounts. It's like having a leaky bucket that can't hold onto the magnesium you consume, regardless of how much you take in.
Alcohol consumption and diabetes both increase magnesium losses through the kidneys, whilst aging naturally reduces absorption efficiency. Even excessive sweating from intense exercise or hot climates can deplete magnesium stores, particularly if you don't actively work to replace what you lose.
What Depletes Your Magnesium Stores
Chronic stress acts like a magnesium vampire, constantly draining your stores as your body uses this mineral to manage stress hormones and maintain nervous system function. Every stressful situation demands magnesium resources, and modern life's relentless pace can gradually exhaust your reserves faster than diet alone can replenish them.
Many common medications deplete magnesium, including diuretics, proton pump inhibitors for acid reflux, and some antibiotics. These medications work like hidden drains on your magnesium supply, gradually reducing levels over time without obvious symptoms until deficiency becomes severe.
Digestive problems, including irritable bowel syndrome, celiac disease, or chronic diarrhoea, can prevent proper magnesium absorption even when your diet contains adequate amounts. It's like having a leaky bucket that can't hold onto the magnesium you consume, regardless of how much you take in.
Alcohol consumption and diabetes both increase magnesium losses through the kidneys, whilst aging naturally reduces absorption efficiency. Even excessive sweating from intense exercise or hot climates can deplete magnesium stores, particularly if you don't actively work to replace what you lose.
What Depletes Your Magnesium Stores
Chronic stress acts like a magnesium vampire, constantly draining your stores as your body uses this mineral to manage stress hormones and maintain nervous system function. Every stressful situation demands magnesium resources, and modern life's relentless pace can gradually exhaust your reserves faster than diet alone can replenish them.
Many common medications deplete magnesium, including diuretics, proton pump inhibitors for acid reflux, and some antibiotics. These medications work like hidden drains on your magnesium supply, gradually reducing levels over time without obvious symptoms until deficiency becomes severe.
Digestive problems, including irritable bowel syndrome, celiac disease, or chronic diarrhoea, can prevent proper magnesium absorption even when your diet contains adequate amounts. It's like having a leaky bucket that can't hold onto the magnesium you consume, regardless of how much you take in.
Alcohol consumption and diabetes both increase magnesium losses through the kidneys, whilst aging naturally reduces absorption efficiency. Even excessive sweating from intense exercise or hot climates can deplete magnesium stores, particularly if you don't actively work to replace what you lose.
The Magnesium-Energy Connection
Magnesium is involved in over 300 reactions in your body, including virtually every step of energy production within your cells. It's like having a master key that unlocks the biochemical processes needed to convert food into usable energy, making adequate magnesium essential for feeling energetic and vitally alive.
Your mitochondria (the powerhouses within your cells) require magnesium to function efficiently. Without adequate magnesium, these cellular energy factories operate at reduced capacity, like power plants running on insufficient fuel, leaving you feeling tired and sluggish despite adequate sleep and nutrition.
Magnesium also supports protein synthesis and DNA repair, making it essential for recovery from exercise, injury, or illness. Your body's ability to rebuild and repair itself depends partly on having adequate magnesium available to power these energy-intensive processes.
The connection between magnesium and energy explains why people with chronic fatigue or unexplained tiredness often benefit from magnesium supplementation, particularly when blood tests reveal suboptimal levels that wouldn't necessarily be considered deficient by traditional standards.
The Magnesium-Energy Connection
Magnesium is involved in over 300 reactions in your body, including virtually every step of energy production within your cells. It's like having a master key that unlocks the biochemical processes needed to convert food into usable energy, making adequate magnesium essential for feeling energetic and vitally alive.
Your mitochondria (the powerhouses within your cells) require magnesium to function efficiently. Without adequate magnesium, these cellular energy factories operate at reduced capacity, like power plants running on insufficient fuel, leaving you feeling tired and sluggish despite adequate sleep and nutrition.
Magnesium also supports protein synthesis and DNA repair, making it essential for recovery from exercise, injury, or illness. Your body's ability to rebuild and repair itself depends partly on having adequate magnesium available to power these energy-intensive processes.
The connection between magnesium and energy explains why people with chronic fatigue or unexplained tiredness often benefit from magnesium supplementation, particularly when blood tests reveal suboptimal levels that wouldn't necessarily be considered deficient by traditional standards.
The Magnesium-Energy Connection
Magnesium is involved in over 300 reactions in your body, including virtually every step of energy production within your cells. It's like having a master key that unlocks the biochemical processes needed to convert food into usable energy, making adequate magnesium essential for feeling energetic and vitally alive.
Your mitochondria (the powerhouses within your cells) require magnesium to function efficiently. Without adequate magnesium, these cellular energy factories operate at reduced capacity, like power plants running on insufficient fuel, leaving you feeling tired and sluggish despite adequate sleep and nutrition.
Magnesium also supports protein synthesis and DNA repair, making it essential for recovery from exercise, injury, or illness. Your body's ability to rebuild and repair itself depends partly on having adequate magnesium available to power these energy-intensive processes.
The connection between magnesium and energy explains why people with chronic fatigue or unexplained tiredness often benefit from magnesium supplementation, particularly when blood tests reveal suboptimal levels that wouldn't necessarily be considered deficient by traditional standards.
Understanding Your Results
Magnesium levels in blood represent only a small fraction of your body's total magnesium stores, but they provide valuable insights into your current status. Understanding these ranges helps assess whether your body has adequate magnesium for optimal function:
Magnesium Ranges:
Normal levels: 0.7-1.1 mmol/L
Low levels (Hypomagnesaemia): <0.7 mmol/L
High levels (Hypermagnesaemia): >1.1 mmol/L
These ranges represent the levels needed for proper muscle, nerve, and heart function—staying within these bounds helps ensure your body's biochemical processes can operate smoothly, whilst levels outside this range may indicate problems that need attention.
Your healthcare team may recommend magnesium supplementation based on symptoms and risk factors even when blood levels appear normal, particularly if you have conditions or take medications known to deplete magnesium stores.
Understanding Your Results
Magnesium levels in blood represent only a small fraction of your body's total magnesium stores, but they provide valuable insights into your current status. Understanding these ranges helps assess whether your body has adequate magnesium for optimal function:
Magnesium Ranges:
Normal levels: 0.7-1.1 mmol/L
Low levels (Hypomagnesaemia): <0.7 mmol/L
High levels (Hypermagnesaemia): >1.1 mmol/L
These ranges represent the levels needed for proper muscle, nerve, and heart function—staying within these bounds helps ensure your body's biochemical processes can operate smoothly, whilst levels outside this range may indicate problems that need attention.
Your healthcare team may recommend magnesium supplementation based on symptoms and risk factors even when blood levels appear normal, particularly if you have conditions or take medications known to deplete magnesium stores.
Understanding Your Results
Magnesium levels in blood represent only a small fraction of your body's total magnesium stores, but they provide valuable insights into your current status. Understanding these ranges helps assess whether your body has adequate magnesium for optimal function:
Magnesium Ranges:
Normal levels: 0.7-1.1 mmol/L
Low levels (Hypomagnesaemia): <0.7 mmol/L
High levels (Hypermagnesaemia): >1.1 mmol/L
These ranges represent the levels needed for proper muscle, nerve, and heart function—staying within these bounds helps ensure your body's biochemical processes can operate smoothly, whilst levels outside this range may indicate problems that need attention.
Your healthcare team may recommend magnesium supplementation based on symptoms and risk factors even when blood levels appear normal, particularly if you have conditions or take medications known to deplete magnesium stores.
The Takeaway
Magnesium levels provide important insights into your body's ability to maintain proper muscle, nerve, and heart function. Deficiency is surprisingly common and can cause a wide range of symptoms that significantly impact your quality of life, but it's easily correctable with appropriate supplementation.
If your magnesium levels are low or you're experiencing symptoms that suggest deficiency, this could explain mysterious muscle cramps, fatigue, or anxiety that haven't responded to other treatments. Addressing magnesium deficiency often provides rapid relief from these troublesome symptoms.
A simple blood test can reveal whether your magnesium levels are supporting optimal body function or contributing to muscle, heart, or energy problems. Don't ignore the possibility of magnesium deficiency, particularly if you have risk factors for depletion. Understanding your magnesium status can help you take targeted action to restore this essential mineral and improve your overall wellbeing.
The Takeaway
Magnesium levels provide important insights into your body's ability to maintain proper muscle, nerve, and heart function. Deficiency is surprisingly common and can cause a wide range of symptoms that significantly impact your quality of life, but it's easily correctable with appropriate supplementation.
If your magnesium levels are low or you're experiencing symptoms that suggest deficiency, this could explain mysterious muscle cramps, fatigue, or anxiety that haven't responded to other treatments. Addressing magnesium deficiency often provides rapid relief from these troublesome symptoms.
A simple blood test can reveal whether your magnesium levels are supporting optimal body function or contributing to muscle, heart, or energy problems. Don't ignore the possibility of magnesium deficiency, particularly if you have risk factors for depletion. Understanding your magnesium status can help you take targeted action to restore this essential mineral and improve your overall wellbeing.
The Takeaway
Magnesium levels provide important insights into your body's ability to maintain proper muscle, nerve, and heart function. Deficiency is surprisingly common and can cause a wide range of symptoms that significantly impact your quality of life, but it's easily correctable with appropriate supplementation.
If your magnesium levels are low or you're experiencing symptoms that suggest deficiency, this could explain mysterious muscle cramps, fatigue, or anxiety that haven't responded to other treatments. Addressing magnesium deficiency often provides rapid relief from these troublesome symptoms.
A simple blood test can reveal whether your magnesium levels are supporting optimal body function or contributing to muscle, heart, or energy problems. Don't ignore the possibility of magnesium deficiency, particularly if you have risk factors for depletion. Understanding your magnesium status can help you take targeted action to restore this essential mineral and improve your overall wellbeing.
References
National Institute for Health and Care Excellence. (2020). Micronutrient deficiencies: assessment and management. NICE Clinical Guideline.
British Dietetic Association. (2021). Magnesium in health and disease. BDA Practice Guidelines.
Royal College of Physicians. (2020). Electrolyte disorders in clinical practice. RCP Clinical Standards.
References
National Institute for Health and Care Excellence. (2020). Micronutrient deficiencies: assessment and management. NICE Clinical Guideline.
British Dietetic Association. (2021). Magnesium in health and disease. BDA Practice Guidelines.
Royal College of Physicians. (2020). Electrolyte disorders in clinical practice. RCP Clinical Standards.
References
National Institute for Health and Care Excellence. (2020). Micronutrient deficiencies: assessment and management. NICE Clinical Guideline.
British Dietetic Association. (2021). Magnesium in health and disease. BDA Practice Guidelines.
Royal College of Physicians. (2020). Electrolyte disorders in clinical practice. RCP Clinical Standards.
Research articles
Research articles
Control your preventive health with Emerald
Subscribe to our newsletter
© 2025 Emerald Labs Ltd
Subscribe to our newsletter
© 2025 Emerald Labs Ltd
Subscribe to our newsletter
© 2025 Emerald Labs Ltd
Subscribe to our newsletter
© 2025 Emerald Labs Ltd
Subscribe to our newsletter
© 2025 Emerald Labs Ltd