It is stored mainly in the skeletal muscles, where it supports strength, power, and endurance
Dark adaptation, in particular, is critical to survival in low light and is responsible for what is commonly referred to as night vision. A recent study indicates that supplementation with omega-3 fatty acid-rich fish oil may improve night vision in humans
(Interestingly, an elevated HbA1c score and hypertension are two of the highest risk factors for Covid-19 severity 64 see Covid-19 and Bradykinin.) In one study with type 2 diabetics, three grams of lysine per day inhibited hemoglobin glycation, improved glycemic control and increased antioxidant markers
Skin with more structure and resilience
Diagnostic Dose (Provocative Testing): In endocrinology practice, sermorelin (GHRH 1-29) can be used as a diagnostic agent to test pituitary GH reserve