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Life Extension Suggestions

Any program aimed at reducing the risk of vascular disease begins with comprehensive blood testing. This step is vital to designing a program that targets an individual’s specific risk factors. Healthy adults should have their blood tested at least once a year. People who have vascular disease or a family history of vascular disease should have their blood tested twice a year to monitor their progress. The following table summarizes optimal ranges for various blood levels:

Blood Test

Conventional Medicine’s Reference Range

Life Extension’s Optimal Range


Up to 460 mg/dL

295 to 369 mg/dL

C-reactive protein

Up to 4.9 mg/L

Less than 0.55 mg/L (men)
Less than 1.0 mg/L (women)


Up to 15 µmol/L

Less than 7–8 µmol/L

Chemistry Panel & Complete Blood Count (CBC)
· Cholesterol Less than 200 mg/dL 160 – 180 mg/dL
· LDL Less than 100 mg/dL Less than 80 mg/dL
· HDL Greater than 40 mg/dL Greater than 50-60 mg/dL
· Triglycerides Up to 199 mg/dL Less than 80 mg/dL
· Fasting Glucose 65 – 99 mg/dL Less than 86 mg/dL

Fasting Insulin

Up to 24.9 µIU/mL

Less than 5 µIU/mL

Testosterone (Free with Total) (men)
· Free 6.8 to 21.5 pg/mL 20 – 25 pg/mL (LabCorp testing method)
· Total 280 to 800 ng/dL 700 to 900 ng/dL

Omega-6:Omega-3 ratio

None established

Less than 4:1


Less than 200 ng/mL

Less than 200 ng/mL


0.37 to 2.20 µg/mL

At least 3.0 µg/mL (preferably higher)

Vitamin D, 25-Hydroxy

30 – 100 ng/mL

50 – 80 ng/mL

The following nutrients have been shown to improve and preserve endothelial function:

In addition, bioidentical hormone therapy may be recommended, depending on blood testing results. For more information on comprehensive blood testing, please call 1-800-544-4440.