: A clinical study cited by the manufacturer found that a specific oral dose of these amino acids could increase mean serum HGH levels by 682% roughly 120 minutes after ingestion.
As a dietary supplement, GF-9 does not require a prescription, whereas synthetic HGH is a controlled substance in many regions.
: Excessive HGH levels, even if naturally stimulated, can lead to side effects such as fluid retention and elevated cholesterol.