Research published in the Journal of Clinical Endocrinology & Metabolism showed that growth hormone can increase lean body mass, although effects vary based on age, dosing and training status
In support of this, symptoms of paresthesia while ingesting individual doses of 4 g of BA in sustained-release form were not different from those experienced with 2 g doses (50), meaning greater daily doses could be ingested without further discomfort leading to larger gains in muscle carnosine
Side effects, particularly nausea and gastrointestinal discomfort are common when starting, but generally improve over time with slow dose escalation
Stopping rules: Discontinue GHK-Cu if free copper exceeds 25 mcg/dL, 24-hour urine copper exceeds 100 mcg/day, ALT or AST rises to more than 3 times the patient's baseline value, or clinical signs of copper toxicity appear
AHA thinking: Improve rough texture, surface buildup, and uneven tone
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