At-Home Testing
How to Increase Ferritin Quickly: 7 Evidence-Based Strategies
You’re exhausted. Your hair is thinning. You can’t get through a workout without hitting a wall. Standard bloodwork comes back normal, your doctor…

How to Increase Low Hematocrit Levels Naturally
What You Should Know
To raise hematocrit naturally, start by identifying the cause: iron and B12 if deficiency is confirmed, aerobic exercise…
Can You Get a Blood Test During Your Period?
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 affect iron-related markers.
Tell your provider what cycle day you’re…
The Best Vitamin D3 Supplements in 2026 for Every Need
What You Should Know
Vitamin D3 (cholecalciferol) raises and sustains blood levels significantly more effectively than D2, the form found in most fortified foods.
D3 is fat-soluble, so oil-based delivery (such as softgels with coconut oil)…
‘Zombie Cells’ Are Quietly Aging You Faster
What You Should Know
Zombie cells are aging cells that stop dividing but don’t die, continuously releasing inflammatory compounds that damage the tissue around them.
They accumulate naturally with age because the immune system becomes less…
Urolithin A vs NAD+: How They Actually Compare
What You Should Know
Urolithin A activates mitophagy, the process that clears out damaged mitochondria; NAD+ fuels the healthy ones that remain
They work through separate biological pathways and address different sides of mitochondrial…
What Is NAD and Why Does It Matter for Your Energy?
What You Should Know
NAD is a coenzyme that turns food into cellular energy and supports DNA repair
Your levels naturally decline with age—often beginning in your 30s
Low NAD contributes to fatigue, brain fog, and slower recovery
…
NAD and GLP-1: What the Research Actually Shows
What You Should Know
GLP-1 medications reduce caloric intake and weight, but up to 45% of the weight lost may come from lean body mass rather than fat alone.
NAD+ — a molecule found in every cell — fuels the mitochondria that produce…
How to Test Cortisol Levels: Methods, Timing, and Next Steps
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 word come up: cortisol. So you look up how to test cortisol levels,…
High Folate Levels: What Elevated Folate Means on a Blood Test
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 wait for your next appointment and hope someone explains it.
Here’s…
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