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Tag: vitamin and mineral testing

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 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 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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