Ornithine

• Ornithine can NOT be expected to improve physical performance. [1]
• Ornithine significantly attenuates ones "feeling" of fatigue. [2][4]
• Ornithine improves ones quality of sleep. [3]

Reference

1. https://www.ncbi.nlm.nih.gov/pubmed/20717126
2. https://www.ncbi.nlm.nih.gov/pubmed/19083482
3. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4055948/
4. https://www.ncbi.nlm.nih.gov/pubmed/23414576