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Tag: vitamin D

September 20, 2026

Type 1 Diabetes and Celiac Disease: When Screening and Follow-Up Testing Matter

People with type 1 diabetes have an increased likelihood of celiac disease, but screening plans differ for children and adults. Celiac disease may be found before digestive symptoms are recognized. It can also become relevant […]

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September 20, 2026

Celiac Disease and Bone Health: Understanding Vitamin D, Calcium, Phosphorus, and PTH

Read vitamin D, calcium, albumin, phosphorus, and PTH together, and understand why laboratory testing does not replace DXA bone-density measurement.

Selected 25-hydroxyvitamin D, calcium, albumin, phosphorus, and parathyroid hormone (PTH) tests can help clarify the pattern. Ulta Lab Tests provides the linked laboratory options for a plan developed with your healthcare professional. This information is […]

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September 20, 2026

Exocrine Pancreatic Insufficiency: What Stool Elastase and Nutrient Tests Can Reveal

How stool consistency, pancreatic enzyme output, and fat-soluble vitamin results shape a focused malabsorption evaluation.

Exocrine pancreatic insufficiency, or EPI, occurs when too little pancreatic digestive-enzyme activity reaches the intestine to digest food adequately. It can cause greasy stools, unintended weight loss, and nutritional problems. The stool pancreatic elastase-1 test […]

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September 19, 2026

Celiac Disease Testing: Why Test Before Going Gluten-Free

How gluten exposure, antibody results, and selected nutrient and thyroid tests fit into a complete celiac evaluation.

Celiac disease testing is most informative before you stop eating gluten. Celiac disease is an immune-mediated condition in which gluten damages the small intestine in susceptible people. That injury can cause digestive symptoms, but it […]

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September 6, 2026

Primary Hyperparathyroidism: What High Calcium and PTH Reveal

How calcium, PTH, vitamin D, kidney function, and urine calcium work together to clarify a possible parathyroid disorder.

How calcium, PTH, vitamin D, kidney function, and urine calcium work together to clarify a possible parathyroid disorder. Primary hyperparathyroidism (PHPT) occurs when one or more parathyroid glands release hormone inappropriately for the calcium concentration […]

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September 2, 2026

Nutrient Deficiency Symptoms: Fatigue, Brain Fog, Weakness, and Lab Tests

How focused nutrient testing may help investigate persistent symptoms—and why fatigue, brain fog, and weakness can have non-nutrient causes.

Direct answer: Nutrient deficiency symptoms can include fatigue, weakness, poor concentration, numbness or tingling, reduced exercise tolerance, mouth or tongue changes, and muscle symptoms, but none is specific to a deficiency. Focused blood tests for […]

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