Sage Healthspan

Blood Test Basics: Your Bloodwork And Your Health Story

You visit your doctor, they order a blood test. You get poked. You get results. Your doctor looks at them and says your fine. You wonder if there's more to it for all that work.

The Question

Are Blood Tests Important?

Yes, your bloodwork from your blood draws provide a lot of important biomarker insights. These insights help your doctor diagnose medical issues like high cholesterol, diabetes and anemia, hopefully before they become a problem.

What biomarkers do blood tests measure?

What biomarkers do blood tests measure?

Not all blood tests are they same, different ones serve different purposes and will test different biomarkers.

Annual Physical

Annual Physical

Male patient with female doctor | Sage Healthspan

This is a routine test most doctors order for their patients annually and include a complete blood count (CBC) and a basic metabolic panel. These measure basic biomarkers for overall health. A good general snapshot to see where your health is currently.

Reactive Tests

Reactive Tests

These are tests that are ordered if you are already having symptoms. These tests will be more specific and test biomarkers that typically affect whatever symptom you are experiencing to try and find the cause of the problem.

Proactive Tests

Proactive Tests

Doctor and patient in a consultation room

Also known as screening tests, these tests are ordered to potentially detect issues before they become a bigger problem like prostate cancer. Typically will be ordered if the patient has risk factors from age, diet, and family history.

The Issue

Normal Does Not Always Mean Optimal

"Normal" means you aren't clinically sick yet. It doesn't mean you're where you want to be. By that we mean, one test is a snapshot, what you want to see is a trend. Is your biomarker going up, going down, staying steady? This insight gives you a better idea of what your health is and where your health is heading.

Elevated ApoB

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Elevated ApoB

Elevated ApoB (a better marker of heart disease risk than LDL cholesterol) without knowing it.

Insulin resistance

Man sitting on couch holding his stomach in discomfort.

Insulin resistance

Insulin resistance developing long before your fasting glucose rises.

Chronic inflammation

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Chronic inflammation

Chronic inflammation accelerating aging, heart disease, and neurodegenerative disorders.

Deficiencies

Person lying on a couch with a yellow blanket, looking sad/uncomfortable

Deficiencies

Low B12 or Omega-3 deficiency, affecting energy, brain function, and longevity, even if your doctor never flags it.

The Essential Lab Tests Everyone Should Get

Your health is more than just how you feel, it’s what’s happening beneath the surface that truly counts. Regular lab testing can provide a roadmap to optimal health, allowing you to take proactive steps rather than waiting for symptoms to appear. Here are five essential lab panels everyone should consider, plus a crucial one-time test you shouldn't overlook.

1. Comprehensive Metabolic Panel (CMP)

1. Comprehensive Metabolic Panel (CMP)

A CMP is a foundational test that assesses various aspects of your overall health, including liver and kidney function, blood sugar levels, and electrolyte balance. It’s often included in routine check-ups, but few people pay attention to it beyond the basics.

Key markers to watch:

  • Glucose: An indicator of blood sugar regulation, critical for diabetes prevention.
  • Creatinine & BUN: Measures of kidney function and filtration capacity.
  • Electrolytes (Sodium, Potassium, Chloride, Bicarbonate): Important for hydration, nerve function, and acid-base balance.
  • Liver enzymes (ALT, AST, ALP, Bilirubin): Indicators of liver health and detoxification efficiency.
Metabolic Update Health Panel →

2. Lipid Panel – With ApoB for Better Cardiovascular Risk Assessment

2. Lipid Panel – With ApoB for Better Cardiovascular Risk Assessment

While standard lipid panels include total cholesterol, LDL, HDL, and triglycerides, they don’t tell the full story of cardiovascular risk. Adding Apolipoprotein B (ApoB) to the panel provides a clearer picture of the actual number of atherogenic particles in your bloodstream.

Essential markers:

  • LDL-C (“bad cholesterol”): A higher level is associated with increased cardiovascular risk.
  • HDL-C (“good cholesterol”): Helps clear cholesterol from the bloodstream.
  • Triglycerides: Elevated levels can indicate metabolic dysfunction.
  • ApoB: A better predictor of cardiovascular disease than LDL alone since it reflects the actual number of cholesterol-carrying particles.
Cardiovascular Update Health Panel →

3. Complete Blood Count (CBC) - A Basic Yet Crucial Test

3. Complete Blood Count (CBC) - A Basic Yet Crucial Test

A CBC is a routine blood test that evaluates overall blood health and can detect conditions like anemia, infections, and even certain cancers.

Key markers:

  • White blood cells (WBC): High or low levels can indicate infection or immune dysfunction.
  • Hemoglobin & Hematocrit: Important for oxygen transport and diagnosing anemia.
  • Platelets: Essential for blood clotting; abnormal levels may signal bleeding disorders or inflammation.
Blood Tests →

4. Hormone Panel – Understanding Your Body’s Internal Regulators

4. Hormone Panel – Understanding Your Body’s Internal Regulators

Hormones play a crucial role in energy levels, metabolism, mood, and overall well-being. A targeted hormone panel can provide insight into imbalances affecting your daily health.

Key markers:

  • Thyroid (TSH, Free T3, Free T4): Critical for metabolism, energy production, and weight management.
  • Testosterone (Men & Women): Important for muscle mass, bone density, and libido.
  • Estradiol & Progesterone (Women): Essential for menstrual health, mood stability, and fertility.
  • Cortisol: A measure of stress and adrenal function.
Hormone Update Health Panel →

5. Inflammation & Metabolic Panel – CRP, Insulin, and Beyond

5. Inflammation & Metabolic Panel – CRP, Insulin, and Beyond

Inflammation and metabolic dysfunction are at the root of many chronic diseases, including heart disease, diabetes, and neurodegeneration. Assessing these markers gives a deeper understanding of long-term health risks.

Key markers:

  • hs-CRP (High-Sensitivity C-Reactive Protein): A marker of systemic inflammation and cardiovascular risk.
  • Fasting Insulin: Helps evaluate insulin resistance and metabolic health.
  • HbA1c: Provides a long-term snapshot of blood sugar control.
  • Homocysteine: Elevated levels are linked to heart disease and cognitive decline.

Key markers:

hs-CRP (High-Sensitivity C-Reactive Protein): A marker of systemic inflammation and cardiovascular risk.

Fasting Insulin: Helps evaluate insulin resistance and metabolic health.

HbA1c: Provides a long-term snapshot of blood sugar control.

Homocysteine: Elevated levels are linked to heart disease and cognitive decline.ck their own health, doctors can finally practice real medicine instead of just managing disease.

Inflammatoin & Metabolic Blood Test →

Bonus: Lp(a) – A Critical One-Time Cardiovascular Risk Test

Bonus: Lp(a) – A Critical One-Time Cardiovascular Risk Test

Lipoprotein(a), or Lp(a), is a genetically influenced risk factor for cardiovascular disease that most standard lipid panels ignore. Elevated Lp(a) levels can significantly increase the risk of heart attack and stroke, and lifestyle changes alone may not be enough to lower it.

Why You Should Get It Tested:

  • Unlike LDL cholesterol, which can be influenced by diet and exercise, Lp(a) is mostly genetic.
  • Knowing your Lp(a) level can help you take preventive measures if needed, such as more aggressive lipid management.
  • You only need to test it once in your lifetime unless you undergo significant medical treatment that could alter it.
Blood Tests →

Further Insights

Helpful Bloodwork

Get more comprehensive insights early to track your overall health and biomarkers

Cholesterol and Metabolic Test

Cholesterol and Metabolic Test

Man with Tasso blood test kit collection device on his upper arm sitting on a couch and text overlay with Your Complete Cardiovascular  Health and other additional benefits for Sage Healthspan.

This blood test measures your omega-3 levels and other important markers that affect your heart, brain, and overall health. Most doctors only check basic cholesterol. They almost never test your omega-3 levels or advanced cardiovascular markers. This comprehensive at home blood test fills in those gaps so you can make better decisions about your health.

Get the test →

Nutrient & Energy Markers Test

Nutrient & Energy Markers Test

Woman with Tasso blood test kit collection device on her upper arm sitting at home and text overlay with Stop wondering if it's "just stress" and other additional benefits for Sage Healthspan.

This blood test is perfect for people who feel tired all the time, have low energy, or want to make sure they're getting enough essential nutrients. Fatigue, brain fog, hair changes and mood swings are often a deficiency, not a personality flaw or a phase.

Get the test →

Prostate Update Health Panel

Prostate Update Health Panel

Man drinking from a white cup with a blurred background and Quest Labs logo for Sage Healthspan's prostate update health blood test panel.

Provides key insights into prostate-specific antigen (PSA) levels, which are important for monitoring prostate health markers.

PSA levels can offer early indications of potential prostate issues, allowing for timely follow-up and proactive care. While many healthcare providers may not routinely test PSA levels until symptoms become evident, this panel enables you to stay informed about your prostate health and take action as needed.

Get the test →

Thyroid Update Health Panel

Thyroid Update Health Panel

Woman standing by a lake at dusk with Quest Labs logo in the corner for Sage Healthspan's thyroid update health blood test panel.

The thyroid blood test provides a focused assessment of thyroid function, offering insights into hormone levels that play a critical role in metabolism, energy levels, and overall well-being. Thyroid imbalances can lead to symptoms like fatigue, weight changes, and mood fluctuations. By monitoring these key markers between comprehensive panels, you and your healthcare provider can better understand your thyroid health and address potential imbalances before they affect other areas of your health.

Get the test →

Comprehensive Health Panels

Comprehensive Health Panels

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In-depth look at essential health markers that can help identify early signs of chronic conditions and provide insight into your overall well-being.

These tests cover key areas such as metabolic health, cardiovascular health, and hormone levels. This level of comprehensive testing is not always easy to obtain, as many doctors might only check these markers when health issues have already progressed. By being proactive with this panel, you and your healthcare provider can monitor critical health indicators and address potential concerns before they become more serious, giving you greater control over your long-term wellness.

Get the test →

Reminder

Feeling fine doesn't always mean you're fine. Normal blood test results doesn't always mean you're health is optimal. If you have, or know anyone who feels "off" but have normal test ranges, we recommend getting a deeper look at your health. Get routine blood tests to find the Trend and See The Story your bloodwork is telling you.

Related Testing Resources

Sage Healthspan founder shown next to a screenshot of a medical test report with high cholesterol, LDL, and apolipoprotein B levels circled in red, under the bold text 'DOCTORS MISS THIS'.

The Missing Markers

The full structured page on the markers your doctor isn't ordering, markers that reveal the full picture of your cardiovascular, metabolic, and hormonal health. Sage helps you go beyond standard panels with advanced blood test results analysis and intelligent lab results interpretation powered by AI to fill in the gaps.

Read →
Brent Eck, Founder of Sage Healthspan with the text Normal is Not Optimal and a Lipid panel result with Apob levels and a High alert.

How to Read Your Blood Test Results (Normal vs Optimal)

Understand your results. Every marker on a standard panel explained. Every marker your standard panel is missing. And how to read the trend that actually matters more than any single number.

Read →
Person holding a smartphone scanning blood test results document.

The Sage Healthspan app

The Sage app organizes and explains your biomarker results to you in plain English. With AI-analysis, you will get personalized health recommendations and health reports you can share with your doctor.

Get Sage Healthspan app →

How to Optimize for Accurate Blood Tests

Accurate blood test results are essential for proper health assessment and treatment planning. In this comprehensive guide, we'll cover everything you need to know about preparing for accurate blood work.

Read →

Blood Test Preparation Checklist

Convenient printable version of the prep guide. Stick it on your fridge before your next draw. Or have it handy on your phone.

Read →

Related Testing Resources

The Missing Markers

Sage Healthspan founder shown next to a screenshot of a medical test report with high cholesterol, LDL, and apolipoprotein B levels circled in red, under the bold text 'DOCTORS MISS THIS'.

The full structured page on the markers your doctor isn't ordering, markers that reveal the full picture of your cardiovascular, metabolic, and hormonal health. Sage helps you go beyond standard panels with advanced blood test results analysis and intelligent lab results interpretation powered by AI to fill in the gaps.

Read →

How to Read Your Blood Test Results (Normal vs Optimal)

Brent Eck, Founder of Sage Healthspan with the text Normal is Not Optimal and a Lipid panel result with Apob levels and a High alert.

Understand your results. Every marker on a standard panel explained. Every marker your standard panel is missing. And how to read the trend that actually matters more than any single number.

Read →

The Sage Healthspan app

Person holding a smartphone scanning blood test results document.

The Sage app organizes and explains your biomarker results to you in plain English. With AI-analysis, you will get personalized health recommendations and health reports you can share with your doctor.

Get Sage Healthspan app →

How to Optimize for Accurate Blood Tests

Accurate blood test results are essential for proper health assessment and treatment planning. In this comprehensive guide, we'll cover everything you need to know about preparing for accurate blood work.

Read →

Blood Test Preparation Checklist

Convenient printable version of the prep guide. Stick it on your fridge before your next draw. Or have it handy on your phone.

Read →

*All information on this page is educational content, not medical advice. Always consult with healthcare professionals for medical advice.