Dive Deeper: Calcium

Calcium is a crucial mineral in maintaining overall health and well-being. It goes beyond building strong bones and teeth; calcium is essential for numerous bodily functions. Understanding the importance of calcium and its impact on our bodies is vital to achieving optimal health. So, let’s dive deeper into the world of calcium!

Maintaining balanced and optimal calcium levels is vital for various reasons. Here’s why:

  • Bone health: Calcium is a fundamental building block for strong bones and teeth. It helps maintain bone density, preventing conditions such as osteoporosis and fractures.
  • Muscle function: Adequate calcium levels are necessary for muscle contraction and relaxation. It ensures optimal muscle function, including the heart muscle.
  • Nerve transmission: Calcium plays a crucial role in nerve impulse transmission, facilitating communication between nerve cells and allowing our body to respond to stimuli effectively.
  • Blood clotting: Calcium is involved in the clotting process, ensuring that our blood forms clots when needed to prevent excessive bleeding.
  • Enzyme activity: Calcium is a cofactor for numerous enzymes involved in essential metabolic reactions, contributing to overall cellular function.

Testing & Significance: Measuring Urinary Calcium

A specific test is needed to measure urinary calcium levels to assess calcium status. Such a test helps evaluate how effectively the body is excreting calcium. The significance of this test lies in its ability to provide insights into calcium balance and potential underlying health issues.

Several factors can affect urinary calcium levels, including:

  • Dietary Factors: Consuming high or low amounts of calcium can impact urinary calcium levels.
  • Medications: Certain medications, such as diuretics or calcium supplements, can influence calcium excretion.
  • Hormonal Factors: Hormonal imbalances, such as abnormal parathyroid hormone levels, can affect urinary calcium levels.
  • Medical Conditions: Kidney disease, hyperparathyroidism, and other health conditions can impact calcium excretion.
  • Vitamin D Levels: Inadequate vitamin D levels can affect calcium absorption and excretion.

Optimal Result

Test Result: Optimal

Ca/Cr Value Range: 0.1 – 0.28 mg/mg

Wellness Score: 10/10

Wellness Label: Optimal

What this means for health

An optimal calcium to creatinine ratio in urine within the range of 0.1 – 0.28 mg/mg typically suggests a balanced excretion of calcium relative to creatinine and can be associated with good overall health and proper calcium metabolism. Maintaining this ratio within the specified range is important for ensuring stable calcium levels, supporting various physiological functions, and contributing to overall well-being.

Signs and symptoms

Optimal calcium levels in urine do not typically produce specific signs or symptoms that are directly noticeable.

Factors that could interfere

  • Dietary changes, such as a sudden increase or decrease in calcium intake
  • Certain medications, including diuretics or calcium supplement
  • Hormonal imbalance, such as abnormal parathyroid hormone levels.
  • Vitamin D deficiency

Moderate Result

Test Result: High

Ca/Cr Value: > 0.28 mg/mg

Wellness Score: 6/10

Wellness Label: Moderate

What this means for health

This result suggests potential excessive calcium (hypercalcemia).

Signs and symptoms

  • Muscle weakness
  • Fatigue
  • Nausea and vomiting
  • Excessive thirst
  • Frequent urination
  • Digestive issues, such as constipation or abdominal pain
  • Kidney stones
  • Mood changes, including irritability

Factors that could interfere

  • Excessive calcium intake through diet or supplements
  • Certain medications, such as thiazide diuretics or calcium-containing antacids
  • Hormonal fluctuations or imbalance, including hyperparathyroidism or vitamin D toxicity
  • Underlying health conditions, such as kidney disease or certain cancers

Low Result

Test Result: Low

Ca/Cr Value: < 0.1 mg/mg

Wellness Score: 4/10

Wellness Label: Low

What this means for health

A low result suggests inadequate calcium levels in the body.

Signs and symptoms

  • Muscle cramps or spasms
  • Numbness or tingling in the extremities
  • Weak and brittle nails
  • Easy fracturing of bones
  • Involuntary muscle contractions

Factors that could interfere

  • Inadequate dietary calcium intake
  • Vitamin D deficiency or impaired absorption
  • Hormonal imbalances, such as hypoparathyroidism or hypothyroidism
  • Certain medications, such as corticosteroids or antiepileptic drugs
  • Underlying medical conditions, including malabsorption disorders or chronic kidney disease

Overall Tips

Tips for Maintaining Optimal Calcium Levels

  • Calcium-rich diet: Include calcium-rich foods in your daily meals, such as dairy products, leafy greens, nuts, and seeds.
  • Vitamin D: Ensure sufficient vitamin D intake through sunlight exposure or dietary sources like fatty fish, fortified dairy products, or supplements if necessary.
  • Hormonal balance: Maintain balanced hormone levels through regular check-ups and appropriate medical management.
  • Medication review: Consult healthcare professionals to review medications that may affect calcium levels.
  • Regular monitoring: Periodically monitor calcium levels through blood or urine tests and follow up with healthcare professionals to ensure optimal calcium status.


  1. Weaver CM, Heaney RP. Calcium. In: Erdman JW, Macdonald IA, Zeisel SH, eds. Present Knowledge in Nutrition. 10th ed. John Wiley & Sons; 2012:467-479.
  2. Goltzman D. Calcium and Phosphorus. In: Shils ME, Shike M, Ross AC, Caballero B, Cousins RJ, eds. Modern Nutrition in Health and Disease. 10th ed. Lippincott Williams & Wilkins; 2006:176-192.
  3. Holick MF. Vitamin D and Calcium: Evolutionary Perspective. In: Feldman D, Pike JW, Bouillon R, Giovannucci E, Goltzman D, Hewison M, eds. Vitamin D. 4th ed. Elsevier; 2018:3-12.
  4. Rizzoli R, Biver E. Calcium supplementation in osteoporosis: useful or harmful? Eur J Endocrinol. 2019;181(4):D13-D25. doi:10.1530/EJE-19-0403.


The information provided in this article is for informational purposes only and is not intended as a substitute for professional medical advice, diagnosis, or treatment. The authors and publishers of this article are not healthcare professionals, and the content should not be interpreted as offering medical advice or making any diagnoses.

The suggestions and guidelines provided in this article are based on general knowledge and research studies, but individual needs and circumstances may vary. It is important to consult with a qualified healthcare practitioner or medical professional for personalized advice and guidance regarding your specific health condition.

The authors and publishers of this article do not assume any responsibility for any potential health consequences or adverse effects that may arise from the use of the information provided. Any reliance on the information in this article is solely at your own risk. It is always recommended to seek professional medical advice for any health concerns or questions you may have.

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