NL Clinic Blog

30 Apr 2025

Free T4 (free thyroxine) is the main hormone produced by your thyroid gland. It acts as a storage form of thyroid hormone, which must be converted into T3—the active form—to be used by your body. Think of Free T4 as the fuel in your tank, while Free T3 is the spark in your engine.

30 Apr 2025

Health often hinges on what we can’t see—what’s happening inside our bodies at the cellular level. One of the most common and informative diagnostic tools available today is the Full Blood Count (FBC) test, also known as the Complete Blood Count (CBC). This routine blood test provides valuable insight into your overall health and helps detect a wide range of disorders, from anemia and infections.

29 Apr 2025

When it comes to thyroid health, Free T3 (triiodothyronine) is your engine. It’s the most active thyroid hormone—the one that actually enters your cells and tells your body to burn energy, generate heat, regulate mood, and keep your brain sharp. If TSH is the thermostat, Free T3 is the furnace.

28 Apr 2025

Vitamin D is technically a hormone, not a vitamin—and yet, millions of people are deficient in it. Measuring your 25-hydroxy vitamin D levels is the most accurate way to assess your vitamin D status and is crucial for understanding your immune health, bone strength, mood regulation, and more.