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Tag: vitamin D deficiency

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 13, 2026

Nutrient Deficiency as a Whole-Body Clue: How Lab Testing Can Help Explain Fatigue, Brain Fog, Poor Recovery, and More

How vitamin, mineral, iron, thyroid, metabolic, digestive, inflammation, hormone, and recovery labs can reveal connected health patterns

Nutrient deficiency means the body may not have enough of one or more vitamins, minerals, or related nutrients needed to support normal function. Because nutrients help support blood health, energy production, nerve function, immune balance, […]

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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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July 8, 2026

Digestive Symptoms and Whole-Body Health: Lab Tests That Help Connect Gut, Nutrient, Thyroid, and Inflammation Patterns

How bloating, diarrhea, constipation, fatigue, anemia, and nutrient changes may reveal connected gut, thyroid, immune, metabolic, and recovery patterns

How bloating, diarrhea, constipation, fatigue, anemia, and nutrient changes may reveal connected gut, thyroid, immune, metabolic, hormone, and recovery patterns. Digestive symptoms can be more than an occasional inconvenience. Bloating, diarrhea, constipation, abdominal discomfort, nausea, […]

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July 5, 2026

Osteoporosis: The Silent Bone Disease and Tests That Help Protect Bone Health

Key Lab Tests for Detecting, Managing, and Monitoring Osteoporosis

Osteoporosis is a condition in which bones become weaker because bone mineral density, bone mass, or bone structure has changed. Weakened bones are more likely to fracture, sometimes after a minor fall, bump, or everyday […]

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