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Popular Method for Indirect Assay of HGH and IGF-1

Pituitary Description of Blood Test IGF-1 Range ng/mL
IGF-1 IGF-1 levels are directly related to growth hormone secretion and/or HGH therapy. Best levels for healthy adults is in the upper physiological range (290-315ng/ml). Some patients will require HGH dosage adjustments to achieve optimal levels of IGF-1. 200-320 ng/ml

The HGH / IGF-1 table above was reconstructed from the book Dr. Jeffry S. Life, M.D. Ph.D., The Life Plan: How Any Man Can Achieve Lasting Health, Great Sex, and a Stronger, Leaner Body, Edition May 2011, page 323.

Avoiding Excessively High Levels of Growth Hormone in Older Adults

It is important to receive treatment for growth hormone replacement from a qualified medical team to reduce the risk of side effects. Inexperienced users not seeking appropriate medical advice often take excessive amounts of HGH injections. This can lead to dangerous side effects. 

It’s important to monitor and not exceed the upper physiological range of IGF-1. High levels of IGF-1 may put you at an increased risk of certain types of cancer, such as breast, prostate, or colon cancer, as well as other health conditions. While low levels of IGF-1 may indicate a deficiency or imbalance in the body’s growth and development processes or may be a sign of poor diet or other health problems. 

The optimal dose of HGH was shown to reduce the negative effects of PD1 biomarker level, reducing the risk of cancer by boosting immune system function. See more on the TRIIM Protocol.