RT3-Adrenals Iron tests

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Serum iron

• 55 to 70% of the range

• higher end for men

TIBC (total iron binding capacity) or Transferrin

• Low in range indicates lack of capacity for additional iron

• High in range indicates body's need for supplemental iron

Saturation

• optimal is 35 to 45%

• higher end for men

• to calculate divide serum iron by TIBC

• minimum saturation of 30% required to successfully treat with T3

• Low, beginning doses of T3 can be started with saturation at 25%

Ferritin

• Low level virtually always indicates need for iron supplementation

• High level with low serum iron/low saturation indicates inflammation

or infection

• High level with high serum iron and low TIBC indicates excess iron

• Over range with saturation above 45% suggests hemochromatosis

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Iron test results