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Category: Malabsorption

July 22, 2026

Understanding Vitamin D Tests: Forms, Results, and Health Roles

How 25-Hydroxyvitamin D, Vitamin D2/D3, and Calcitriol Tests Differ—and When Each Test May Be Useful

Vitamin D tests do not all measure the same form of vitamin D. Learn which blood test is generally used to evaluate vitamin D status, when D2 and D3 fractions may add context, and why […]

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July 17, 2026

Inflammatory Bowel Disease Testing: Finding Crohn’s and Ulcerative Colitis Clues Beyond Digestive Symptoms

How blood and stool testing can uncover intestinal inflammation, anemia, nutrient deficiencies, and treatment-safety concerns in Crohn’s disease and ulcerative colitis.

Inflammatory bowel disease, or IBD, is a group of chronic inflammatory conditions that includes Crohn’s disease and ulcerative colitis. Although diarrhea, abdominal pain, rectal bleeding, and bowel urgency are well-known warning signs, intestinal inflammation can […]

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July 14, 2026

How Magnesium Affects Your Sleep and Anxiety

Learn how magnesium supports nervous-system function, what the research says about sleep and anxiety, and which lab tests can evaluate magnesium status and related health factors.

Magnesium for Sleep and Anxiety: What the Evidence and Lab Tests Can Tell You Magnesium is an essential mineral involved in hundreds of enzyme systems that support nerve signaling, muscle function, energy production, blood sugar […]

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July 12, 2026

Assessing Nutrient Absorption in Digestive Disorders with Key Blood Tests

How blood tests reveal iron, vitamin B12, folate, vitamin D, and mineral deficiencies associated with digestive malabsorption.

Digestive symptoms do not always remain limited to the stomach or intestines. When a digestive disorder interferes with the breakdown or absorption of food, the effects may appear throughout the body as fatigue, anemia, brain […]

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January 9, 2025

Diagnosing Digestive Problems Through Blood Tests

Essential Blood Tests to Diagnose and Manage Digestive Problems for Optimal Gut Health

Digestive problems affect people of all ages and backgrounds. Many individuals experience discomfort or pain in the stomach, intestines, or other parts of the digestive tract. When these symptoms persist, proper diagnosis becomes crucial. Doctors […]

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