Longevity

Active Vitamin B12 Blood Test: Normal Ranges, C...

What Is Active Vitamin B12? Active Vitamin B12, also known as holotranscobalamin (holoTC), is the biologically available form of vitamin B12 in your blood. While total B12 measures all forms...

Vitamin B1 (Thiamine) Blood Test: Normal Ranges...

What Is Vitamin B1 (Thiamine)? Vitamin B1, also known as thiamine, is an essential water-soluble vitamin that plays a critical role in energy metabolism. It acts as a coenzyme in...

Uric Acid Blood Test: Normal Ranges, Causes & W...

What Is Uric Acid? Uric acid is a waste product formed when the body breaks down purines - natural substances found in many foods and in your body's own cells....

Urea Blood Test: Normal Ranges, Causes & What Y...

What Is Urea? Urea is a waste product formed in the liver when protein is broken down. It is carried in the blood to the kidneys, where it is filtered...

Free T3 (Triiodothyronine) Blood Test: Normal R...

What Is Free T3 (Triiodothyronine)? Free T3 (free triiodothyronine) is the active, unbound form of the thyroid hormone triiodothyronine. While the thyroid gland primarily produces T4 (thyroxine), most T3 is...

Triglycerides Blood Test: Normal Ranges, Causes...

What Are Triglycerides? Triglycerides are the most common type of fat (lipid) in your blood. When you eat, your body converts any calories it doesn't need to use straight away...