You track your training volume, your macros, your sleep, your heart rate. But the data that tells you what's actually happening inside your body? Most active people never see it, unless something goes wrong.
Blood work is the missing layer. It tells you whether your iron stores are tanking, whether your hormones are where they should be, whether your inflammation is under control, and whether your nutrition is actually covering what your training demands.
The Core Markers for Active People
- Iron and Ferritin: Even if your hemoglobin looks normal, low ferritin can cause fatigue, poor recovery, and declining performance, especially in endurance athletes and women.
- Complete Blood Count (CBC): Covers red blood cells, white blood cells, hemoglobin, and hematocrit: the fundamentals of oxygen carrying and immune function.
- hs-CRP: A marker of systemic inflammation. Chronically elevated CRP suggests your body isn't recovering.
- Creatine Kinase (CK): Released when muscle tissue breaks down. Persistently elevated CK can indicate inadequate recovery.
Hormones That Affect Performance
- Total and Free Testosterone: Influences recovery, muscle protein synthesis, energy, mood, and motivation.
- Cortisol: Your primary stress hormone. Chronically elevated cortisol can impair recovery and suppress immune function.
- TSH and Free T4: Thyroid hormones regulate metabolic rate. Underfueling can suppress thyroid function over time.
Nutrition Markers Worth Tracking
- Vitamin D: Affects bone health, immune function, mood, and muscle function. Deficiency is extremely common in Canada.
- Vitamin B12 and Folate: Involved in red blood cell production and energy metabolism.
- RBC Magnesium: Involved in muscle contraction, sleep quality, and energy production.
Longevity Markers for the Long Game
- ApoB: A direct measure of atherogenic particles. More predictive of cardiovascular risk than standard LDL cholesterol.
- HbA1c: Your average blood sugar over the past 2-3 months.
- Fasting Insulin: Can reveal insulin resistance years before glucose or HbA1c start to look abnormal.
- Lp(a): A genetic cardiovascular risk factor. Test it once.
How to Get These Tests Done
Bespoke Labs lets you order the tests you want directly. Browse the catalogue, complete a short health questionnaire at checkout, and a licensed physician reviews your order and issues the requisition. Walk into any Dynacare location in Ontario. No appointment needed. Share your results with your coach, trainer, nutritionist, or doctor.