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A woman gets a blood test during her period

Can You Get a Blood Test During Your Period?

At-Home Testing, Health Conditions, Precision Medicine

What You Should Know You can usually get routine blood work done during your period. Hormone tests may need to be timed to a specific cycle day. Heavy bleeding can…

The Best Vitamin D3 Supplements: Image with four D3 supplement bottles in a sunlit forest.

The Best Vitamin D3 Supplements in 2026 for Every Need

Supplements, Vitamin D, Vitamin D3

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‘Zombie Cells’ Are Quietly Aging You Faster

Senescence, Inflammation, Quercetin, Supplements

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Pomegranate inside a sphere representing Urolithin A vs NAD+

Urolithin A vs NAD+: How They Actually Compare

NAD+, Aging, Mitochondrial Dysfunction, NAD, Supplements

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Minimalist illustration of a translucent battery shape filled with glowing cellular mitochondria representing NAD

What Is NAD and Why Does It Matter for Your Energy?

NAD+, At-Home Testing, Energy and Fatigue, NAD, NAD+ Precursors, Supplements

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Image of GLP-1 medication next to body tape measure

NAD and GLP-1: What the Research Actually Shows

NAD, Energy and Fatigue, NAD+ Precursors, Supplements

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How to test cortisol levels - featured image with an overworked and stressed woman

How to Test Cortisol Levels: Methods, Timing, and Next Steps

At-Home Testing, Energy and Fatigue, Stress

Someone tells you your cortisol might be off. Or you’ve been reading about fatigue, unexplained weight gain, and sleep that never feels restorative — and you keep seeing the same…

High Folate Levels: What Elevated Folate Means on a Blood Test

At-Home Testing, Biomarkers, Kidney Diseases, Vitamin B

You got your blood results back. Folate is flagged — higher than the reference range. And now you’re not sure whether to worry about it, reduce your supplement intake, or just…

A woman compares her body age to her chronological age

What Does Body Age Mean and Can You Actually Lower It?

Cellular Health, At-Home Testing, Biomarkers, Epigenetic, Health Conditions, Premature Aging

You’ve probably come across it somewhere: a gym scale that spits out a “metabolic age,” a wellness quiz that tells you your body is 43 when your actual age is 37, or an app that…

A man with chronic fatigue who is tired all the time

Tired All the Time? 7 Causes of Fatigue Blood Tests Miss

At-Home Testing, Energy and Fatigue, NAD

You did everything right. You booked the appointment. You sat through the blood draw. You waited a week. And then the result came back: everything looks normal. That word —…