Valacyclovir

Oral tablet (1000mg)Available in all 50 states

Marketing purposes only. Actual medications, if prescribed, are dispensed by a licensed pharmacy.

other

ValacyclovirValacyclovir

Prodrug of acyclovir with superior oral bioavailability. Standard treatment for HSV-1, HSV-2, and varicella-zoster virus infections.

Superior bioavailability to acyclovir

Effective suppressive therapy

Reduces viral shedding and transmission

Less frequent dosing than acyclovir

No commitment · HSA/FSA eligibleNo commitment · HSA/FSA eligible

How it works

Mechanism of action

Converted to acyclovir, then phosphorylated by viral thymidine kinase and cellular kinases to acyclovir triphosphate, which inhibits viral DNA polymerase and terminates viral DNA chain elongation.

The baseline panel.

Every Marek client receives this baseline panel before a provider review. Your provider may add additional biomarkers based on your health history, symptoms, and goals, pulling from 1,000+ available markers. See more biomarkers →

Hormone Profile

12 markers

Sex hormones

  • Total TestosteroneLC/MS
  • Free TestosteroneEquilibrium Dialysis
  • Estradiol, Sensitive / UltrasensitiveLC/MS
  • Sex Hormone Binding Globulin (SHBG)
  • ProgesteroneLC/MSFemale panel
  • Prolactin
  • Luteinizing Hormone (LH)
  • Follicle-Stimulating Hormone (FSH)
  • hCG, Total, QuantitativeFemale panel, pre-menopause

Adrenals & neurosteroids

  • Cortisol
  • DHEA-S

Growth hormone / IGF-1

  • Insulin-Like Growth Factor I (IGF-1)

Thyroid Status

3 markers

Thyroid hormones

  • Thyroid Stimulating Hormone (TSH)
  • Free T4
  • Free T3

Heart Health

9 markers

Cardiovascular health

  • Total Cholesterol
  • HDL Cholesterol
  • LDL Cholesterol
  • LDL:HDL Ratio
  • VLDL Cholesterol
  • Triglycerides
  • Apolipoprotein-B (ApoB)
  • C-Reactive Protein, High Sensitivity (hsCRP)
  • Lipoprotein(a) (Lp(a))

Metabolism

3 markers

Insulin sensitivity

  • Blood Glucose
  • Fasting Insulin
  • HbA1c

Organ Function

26 markers

Liver & pancreas

  • AST
  • ALT
  • Bilirubin, Total
  • γ-Glutamyl Transferase (GGT)

Kidney function

  • BUN
  • Creatinine w/ eGFR

Comprehensive Metabolic Panel (CMP)

  • Glucose
  • Blood Urea Nitrogen (BUN)
  • Creatinine
  • eGFR
  • BUN/Creatinine Ratio
  • Sodium
  • Potassium
  • Chloride
  • Carbon Dioxide, Total
  • Calcium
  • Protein, Total
  • Albumin
  • Globulin, Total
  • Albumin/Globulin (A/G) Ratio
  • Alkaline Phosphatase (ALP)
  • AST
  • ALT

Prostate health

  • Prostate-Specific Antigen (PSA)Male panel
  • Free PSAMale panel
  • % Free PSAMale panel

Nutrient Status

31 markers

Vitamins & minerals

  • Vitamin D, 25-OHD (25-Hydroxy)
  • Magnesium, RBC

Iron status

  • Iron
  • Iron Saturation
  • TIBC
  • UIBC
  • Ferritin

Complete Blood Count (CBC)

  • White Blood Count (WBC)
  • Red Blood Count (RBC)
  • Hemoglobin (Hgb)
  • Hematocrit (HCT)
  • MCV
  • MCH
  • MCHC
  • Red Cell Distribution Width (RDW)
  • Platelets
  • Neutrophils
  • Neutrophils (Absolute)
  • Lymphocytes
  • Lymphocytes (Absolute)
  • Neutrophil/Lymphocyte Ratio
  • Monocytes
  • Monocytes (Absolute)
  • Eosinophils
  • Eosinophils (Absolute)
  • Basophils
  • Basophils (Absolute)
  • Immature Cells
  • Immature Granulocytes
  • Immature Granulocytes (Absolute)
  • NRBC, w/ Reflex for Immature Cells

Safety profile

Monitoring & safety information.

Commonly reported side effects

  • Headache
  • Nausea
  • Abdominal pain
  • Dizziness

Less common but serious risks

  • Renal impairment (especially with dehydration)
  • TTP/HUS (rare, immunocompromised)
  • Neurotoxicity in renal failure

Generally not appropriate for

  • Known hypersensitivity
  • Severe renal impairment without dose adjustment

Typical monitoring

  • Renal function
  • Hydration status
  • Symptom resolution

FAQ

Quick answers.

Prodrug of acyclovir with superior oral bioavailability. Standard treatment for HSV-1, HSV-2, and varicella-zoster virus infections.
Superior bioavailability to acyclovir. Effective suppressive therapy. Reduces viral shedding and transmission. Less frequent dosing than acyclovir.
Common side effects include: headache, nausea, abdominal pain, dizziness. Most side effects are dose-dependent and may resolve with continued use or dose adjustment.
View all FAQs
See all FAQs

Prodrug of acyclovir with superior oral bioavailability. Standard treatment for HSV-1, HSV-2, and varicella-zoster virus infections.

Treatments are dependent on licensed clinical prescription. Client costs vary based on individual labs and panel in treatments and services.