The EllaDx Journal

Her biology, explained.

Read clear, research-based articles about hormones, symptoms, and lab tests. Use them to prepare questions for your next visit.

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What your luteal phase is actually trying to tell you

The second half of your cycle is the part most women never get tested during. This biomarker-level guide explains why most doctors read it wrong.

60 articles

Learn why B12 deficiency is common in women and how it can affect your energy, mood, and brain function.

You can be iron deficient without being anemic. Learn why ferritin matters and what levels to aim for.

How chronic stress can affect your cortisol levels and what tests can tell you about your stress response.

Unexplained hair loss? These blood tests can help identify thyroid issues, nutrient deficiencies, and hormonal imbalances.

Understanding estrogen dominance, its symptoms, and which tests can help identify hormonal imbalance.

Hormone levels can shift across your cycle, your day, and even by the hour. Learn when to test each hormone for the most accurate results.

Struggling with mental clarity? These lab tests can uncover thyroid issues, nutrient deficiencies, and other causes of brain fog.

Up to 50% of Americans don't get enough magnesium, and standard testing can miss it. Learn why it matters and how to test for it.

Understanding the causes of irregular menstrual cycles and which blood tests can help identify the problem.

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