Path 4U: Vitamins & Minerals

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HealthDirect Advice: Vitamins & Minerals

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1. iMedical will email you a Pathology request referral within seconds.
2. Print off the referral and take it to any of the pathology collection centres listed on our collection centres page. No appointment necessary — just walk in with your referral.
3. The pathology centre will process your test panel and iMedical will email and SMS your results within 24–48 hours.
4. [Optional] You have the option of creating a customer profile and utilising the iMedical dashboard where you can view your test results at any time. Preview the Demonstration Customer Profile here to see what the dashboard looks like and view an example pathology test report.

Private NATA accredited self-request pathology services available to order at any time without having to visit a GP. This is a private service (no Medicare rebate). Upon receiving your order, iMedical will email a pathology collection referral. Once you have attended a collection centre, your results will be sent directly to you by email and SMS. iMedical will direct you to appropriate medical care if there is anything abnormal in your test results.

Vitamin D3: Measures the level of Vitamin D in your blood. Vitamin D supports bone and tooth health, immune function, and tissue growth. D3 (cholecalciferol) is made when skin is exposed to sunlight. Deficiency can be caused by limited sun exposure or absorption disorders like Cystic Fibrosis or Crohn’s Disease. Symptoms include tiredness, weakness, aches, pain, and frequent infections.

Vitamin B12: Essential for healthy red blood cells and nerve function. B12 is not produced by the body and must come from food. Deficiency can cause macrocytic anemia and symptoms such as fatigue, pale skin, shortness of breath, dizziness, or numbness in extremities. Causes include malnutrition, alcoholism, and absorption disorders (e.g., Celiac, Crohn’s).

Calcium: Supports strong bones and teeth and is vital for proper heart, muscle, nerve, and blood function. A small amount circulates in the blood and is measured in this test.

Iron Studies (fasting required): These tests assess how much iron is in your blood and how it’s stored:

• Ferritin: Indicates total iron stores. First to drop in deficiency.
• Serum Iron: Measures iron in the bloodstream.
• Transferrin: Protein that transports iron; may rise with infection/inflammation.
• Saturation Ratio: % of iron bound to transferrin; calculated from iron/TIBC.

Zinc (Plasma/Serum): Needed for immune health, metabolism, wound healing, and growth. Deficiency may stem from stress, low dietary intake, or absorption issues (Crohn’s, pregnancy, alcoholism). Symptoms: infections, poor healing, rashes, hair thinning, or reduced taste/smell. Toxicity from supplements may cause nausea, cramps, anemia, and low HDL. Note: Plasma Zn is default, but may be done as serum depending on the lab.

Magnesium – Serum: Supports bones, muscles, heart health, and nerve function. Testing is used to check kidney health and gastrointestinal conditions, or uncontrolled diabetes. Deficiency may occur due to malabsorption, malnutrition, diarrhea, or alcoholism.

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