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Human growth hormone (hGH) is produced by the pituitary gland

Similarly, a study based on swimming exercise for a total of four hours showed an increase in NAD + levels, yet also in this case, no measurements of mitochondrial function were performed 309 , reinforcing the need for more exercise-based investigations to further define how NAD + and mitochondrial homeostasis are perturbed and connected during exercise

This means treatment can be better tailored to the underlying cause rather than just the symptoms

[DOI] [PMC free article] [PubMed] [Google Scholar] 38.Belenky, P., Christensen, K
