Category: Labs & Testing

ApoB counts the particles that can carry cholesterol into the artery wall. Here is what large genetic and cohort studies show about apoB compared with LDL cholesterol.

VO2 max measures how well your body uses oxygen, and large studies link higher fitness with lower risk of death from any cause. Here is what the research shows and how fitness can be built.

Lipoprotein(a) is a largely inherited cholesterol particle that a standard lipid panel leaves out. Here is what large studies show and why experts recommend testing it at least once.

Handgrip strength tracks with mortality risk in large open-access cohorts from Europe and the U.S. Here is how to use it as a functional longevity biomarker without overreading a single number.

Who may need iron (heavy periods, low ferritin, endurance athletes), who should avoid it, which labs to check, and safety from a Maryland ND.

Who is at risk of low vitamin B12 (over 50, metformin, PPIs, vegans), why MMA testing matters, and B12 forms explained by a Maryland ND.

Who may benefit from omega-3s (EPA and DHA), how the omega-3 index is tested, label tips, and safety advice from a Maryland naturopathic doctor.

Who may benefit from vitamin D3, how 25-OH vitamin D is tested, why magnesium and K2 matter, and safe intake limits from a Maryland ND.

Perimenopause vs PCOS: how the symptoms differ, which hormone tests help, and how a naturopathic doctor in Maryland approaches care.

Why a single morning cortisol test misses tired-but-wired patterns, what the cortisol awakening response is, and how rhythm is supported. By a Maryland ND.