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Hormones

IGF-1 Test

IGF-1 plays an important role in women's health, supporting bone density, tissue repair, and hormonal balance. Monitoring this growth factor can provide valuable insight into your overall well-being.

Doctor's Assessment Included

Reference Ranges

Female
nmol/l
Low 13 Normal 50 High

Reference ranges may vary between laboratories. When you order a test, a BIG-registered doctor assesses your personal results in context. For treatment decisions, discuss your results with your GP.

Check your own value

IGF-1 (Insulin-like Growth Factor): what this test measures

This test measures the concentration of IGF-1 in your blood. IGF-1 is produced primarily in the liver in response to growth hormone stimulation and mediates many of the growth-promoting effects of growth hormone throughout the body.

IGF-1 (Insulin-like Growth Factor): why this value matters

For women, IGF-1 levels may be particularly relevant during life stages such as perimenopause and menopause, when changes in growth factor activity can influence bone health, body composition, and energy.

IGF-1 (Insulin-like Growth Factor): when is testing worthwhile?

Testing may be recommended if you experience unexplained changes in body composition, fatigue, or reduced bone density. Your healthcare provider may also suggest testing if a growth hormone disorder is suspected.

IGF-1 (Insulin-like Growth Factor): symptoms of a high or low value

Low Levels

Some people may experience fatigue, decreased muscle mass, increased body fat, reduced bone density, or impaired recovery from exercise when IGF-1 levels are low.

High Levels

Elevated IGF-1 levels may be associated with joint pain, swelling, enlarged features, or changes in skin texture. Very high levels could suggest excessive growth hormone production.

IGF-1 (Insulin-like Growth Factor): what to do about an abnormal value

Female

If Low

Low IGF-1 may indicate growth hormone deficiency. Consider endocrine evaluation.

If High

Elevated IGF-1 may indicate acromegaly. Consider pituitary MRI and consultation with an endocrinologist.

IGF-1 (Insulin-like Growth Factor): lifestyle and this value

Adequate sleep, regular physical activity, and balanced nutrition may support healthy IGF-1 levels. Strength training and sufficient protein intake are often associated with optimal growth factor activity. Consult your healthcare provider for personalized guidance.

IGF-1 (Insulin-like Growth Factor): frequently asked questions

What is the difference between IGF-1 and growth hormone?

Growth hormone stimulates IGF-1 production in the liver. IGF-1 levels remain more stable throughout the day, making it a more reliable marker of growth hormone activity.

Can lifestyle changes affect IGF-1 levels?

Yes, regular exercise, adequate sleep, and balanced nutrition may help support healthy IGF-1 levels. Consult your healthcare provider for advice.

Why might my doctor test IGF-1?

Your doctor may test IGF-1 to evaluate growth hormone function, investigate unexplained fatigue or body composition changes, or monitor a known pituitary condition.

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IGF-1 (Insulin-like Growth Factor)

€114,-