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What Some Common Athletic Biomarkers Say About Your Health

New technology is making it easier than ever for athletes to fine-tune their nutrition through blood analysis. Prepare to send in the vials.

For more on the science of blood analysis, read our story on blood testing.


WHAT IT IS: A substance that helps boost bone mass and immunity. WHY IT MATTER: Low vitamin D, along with deficient calcium, can lead to stress fractures, breaks, and osteoporosis.
(Sbrools/Wikimedia Commons)

Vitamin D

New technology is making it easier than ever for athletes to fine-tune their nutrition through blood analysis. Prepare to send in the vials.

For more on the science of blood analysis, read our story on blood testing.


WHAT IT IS: A substance that helps boost bone mass and immunity. WHY IT MATTER: Low vitamin D, along with deficient calcium, can lead to stress fractures, breaks, and osteoporosis.

Creatine Kinase

WHAT IT IS: An enzyme produced during exercise. WHY IT MATTERS: High levels can indicate overtraining, leading to fatigue, muscle damage, and risk of injury.

(A2-33/Wikimedia Commons)


Testosterone

WHAT IT IS: A hormone that plays a key role in muscle mass, bone density, cholesterol levels, and VO2 max. WHY IT MATTERS: Low levels can lead to increased body fat and decreased skeletal and cardiovascular health.

(Public Domain)


C-Reactive Protein

WHAT IT IS: A protein that correlates with muscle inflammation. WHY IT MATTERS: High levels can indicate heart disease or overtraining, compromising the immune system and impeding recovery.

(Public Domain)


Vitamin B12

WHAT IT IS: A substance that helps synthesize new cells, repair damaged cells, and deliver oxygen to muscles. WHY IT MATTERS: Low B12 can decrease endurance and impede exercise intensity.

(Public Domain)


Ferritin

WHAT IT IS: A protein that indicated blood iron levels. WHY IT MATTERS: Low iron levels can lead to injury, elevated heart rate, and weakened immunity. High levels can increase inflammation and cholesterol and decrease cardiovascular health.

(Public Domain)


They Want Your Blood: New technology is making it easier than ever for athletes to fine-tune their nutrition through blood analysis. Prepare to send in the vials.

The Best Places to Get Your Blood Analyzed: Three blood-analysis companies to help maximize performance.

(David Lidbetter/GalleryStock)

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