Blood values for strength athletes
Blood values show your condition from the inside, past anything the mirror tells you. Training hard shifts some values for a while, muscle and liver markers among them. Look up a value and read its reference range. You also see when a result genuinely needs attention.
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IGF-1 (Insulin-like Growth Factor)
IGF-1 is a key growth factor that may influence muscle development, recovery, and overall vitality in men. Monitoring this marker can provide insight into your body's repair and growth capacity.
IGF-BP3
IGF-BP3 is the primary carrier protein for IGF-1 and plays a role in regulating growth factor activity.
Inhibin B
Inhibin B is a key marker of testicular function in men.
Insulin (Fasting)
Fasting insulin reveals metabolic efficiency and insulin sensitivity. Optimal levels support lean body composition, energy, and metabolic vitality.
Interleukin-6 (IL-6)
According to a 2014 review, interleukin-6 (IL-6) is a signalling substance of the immune system, made at the site of inflammation in its initial stage and then travelling through the blood to the liver.
Intrinsic Factor Antibodies
Intrinsic Factor Antibodies tests for autoimmune causes of B12 deficiency.
Iodine
Iodine fuels thyroid hormone production, which drives metabolism, energy levels, and overall vitality. Adequate iodine supports peak metabolic performance.
Iron (Serum)
Iron is the mineral the body uses to build haemoglobin, the oxygen-carrying protein in red blood cells.
Irregular Antibody Screening
According to the NVKC, the immune system can form irregular antibodies when 'foreign' blood enters the circulation in a blood transfusion.
LDH (Lactate Dehydrogenase)
Skeletal muscle, the liver, the heart and the red blood cells all contain lactate dehydrogenase, LDH for short.
LDL Cholesterol
According to the NVKC, LDL is a lipoprotein, a fat droplet that carries cholesterol to the tissues and organs.
LDL/HDL Ratio
The LDL/HDL ratio tells you how your LDL cholesterol relates to your HDL cholesterol: one number divided by the other.
LH (Luteinizing Hormone)
LH is a pituitary hormone that directly stimulates testosterone production in men. Monitoring LH levels can help assess whether your testosterone output is being adequately supported by the pituitary gland.
Lactate
Lactate reflects your body's ability to handle metabolic stress. Understanding your levels supports energy management during intense physical activity.
Leukocyte Differential
Lymphocytes are one of the five kinds of white blood cells, and according to the NVKC they play an important role mainly in defence against viruses.
Leukocytes (WBC)
Leukocytes are white blood cells from the bone marrow that protect the body against infection.
Lipase
Lipase is a pancreatic enzyme important for men's digestive health. Men are at higher risk for alcohol-related pancreatitis, and monitoring lipase alongside dietary and lifestyle factors supports proactive health management.
Lipoprotein(a)
Lp(a), in full lipoprotein(a), is a cholesterol-carrying particle in the blood made of an LDL particle with the protein apolipoprotein(a) attached.
Liver Function Test (LFT)
A liver function test provides a comprehensive assessment of liver health, which is particularly relevant for men.
Lymphocytes
Lymphocytes are white blood cells central to your defence against viruses and to immune memory. As part of your complete blood count, they show how your immune system responds.
MCH (Mean Corpuscular Hemoglobin)
According to Thuisarts, every red blood cell contains haemoglobin, the substance that carries oxygen from the lungs to the rest of the body.
MCHC (Mean Corpuscular Hemoglobin Concentration)
MCHC is the average concentration of haemoglobin inside your red blood cells.
MCV (Mean Corpuscular Volume)
To carry oxygen through the body, red blood cells use haemoglobin, and according to Thuisarts the body needs iron, among other things, to make it.
Magnesium
Magnesium powers muscle function, testosterone production, and energy metabolism. Optimal levels support strength, endurance, and recovery.