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The Best Anti-Inflammatory Supplements for Calming Inflammation

Inflammation is your body’s built-in fire alarm. It’s useful when you cut your finger or fight off a virus. It’s less useful when the alarm keeps…
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Estradiol (E2) Blood Test: How It Works and Normal Levels

Estradiol (E2) is the main estrogen doctors measure in a standard blood test to evaluate estrogen levels and overall reproductive health. It plays…
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Progesterone Test: What It Measures and Normal Levels

Progesterone is the hormone that quietly runs the second half of your menstrual cycle. After ovulation, it rises to prepare the uterine lining for a possible pregnancy, then drops again if pregnancy doesn’t happen. Because of this on-off…
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Triiodothyronine (T3) Test: What It Measures and Normal Ranges

The T3 thyroid function test measures thyroid hormone levels. Your doctor orders it when they suspect hyperthyroidism or are monitoring treatment. However, using the test to diagnose hypothyroidism is strongly discouraged. If your doctor…
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T4 (Thyroxine) Blood Test: What It Measures and Normal Ranges

A T4 blood test measures thyroxine, the main hormone your thyroid gland produces. Doctors use this thyroid function test to diagnose thyroid disorders, monitor treatment, and catch problems that TSH testing alone might miss. Your thyroid makes…
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TSH (Thyroid-Stimulating Hormone) Blood Test: Normal Ranges and Results

The TSH test is the most sensitive test for diagnosing thyroid disease. TSH stands for thyroid stimulating hormone, which is secreted by your pituitary gland to signal your thyroid how much thyroid hormone to produce. When your thyroid…
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Prolactin Blood Test Levels: Normal Ranges and Results

A prolactin blood test measures the amount of prolactin in the blood to check for hormone imbalances. Men and women of all ages need prolactin in balance to support metabolism, immune health, and reproductive function. Low prolactin and high…
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DHEA-S Test: What It Measures and What Your Results Mean

The DHEA-S test measures dehydroepiandrosterone sulfate (DHEA-S), the most abundant steroid hormone circulating in your bloodstream. Healthcare providers use the test diagnose conditions ranging from adrenal tumors to polycystic ovary syndrome…
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Total Antioxidant Capacity (TAC) Test: What Does it Measure?

You pop vitamin C. You munch blueberries. You may even spend hundreds of dollars on antioxidant supplements. But do you know if any of it is actually doing anything? The TAC test scores your body’s overall ability to fight free radicals from…
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What’s the Difference Between Creatine and Creatinine?

Have you ever looked up creatine supplements online and found yourself on a page about creatinine lab results? Yeah, us too. They sound almost identical, and since both exist in your body, the mix-up is common. Creatine helps fuel your muscles…
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