Pre-Cycle Baseline

Baseline liver enzyme; oral steroids elevate ALT significantly.

Ref: 0 – 40 U/L

Second liver enzyme to cross-reference with ALT.

Ref: 0 – 40 U/L

Most specific liver marker for drug-induced damage.

Ref: 0 – 60 U/L

Your natural testosterone level before exogenous hormones.

Ref: 8 – 30 nmol/L

Baseline estrogen for AI dosing decisions during cycle.

Ref: 40 – 160 pmol/L

Confirms HPTA function; will be suppressed on cycle.

Ref: 1.5 – 9.3 IU/L

Confirms HPTA function and fertility baseline.

Ref: 1.5 – 12 IU/L

Affects free testosterone; changes with AAS use.

Ref: 10 – 70 nmol/L

Baseline before testosterone increases red cell production.

Ref: 0.38 – 0.5 L/L

Paired with haematocrit for polycythemia risk assessment.

Ref: 130 – 170 g/L

Lipid baseline; AAS universally worsen lipid profiles.

Ref: 0 – 5.5 mmol/L

The 'good' cholesterol that drops significantly on cycle.

Ref: 1 – 999 mmol/L

The 'bad' cholesterol that rises on most AAS.

Ref: 0 – 3.4 mmol/L

Cardiovascular risk marker affected by diet and compounds.

Ref: 0 – 2 mmol/L

Kidney function baseline; can be elevated by creatine use.

Ref: 60 – 110 umol/L

Estimated kidney filtration rate for comparison during cycle.

Ref: 90 – 999 mL/min/1.73m2

Metabolic baseline; GH and insulin affect glucose metabolism.

Ref: 3.5 – 6 mmol/L

Prostate health baseline before androgen exposure.

Ref: 0 – 4 ug/L