Gut metabolite trimethylamine-N-oxide in atherosclerosis: from mechanism to therapy
L-Carnitine naturally boosts energy by turning fat into usable fuel, which increases endurance and reduces fatigue without stimulants
Daily oral glutathione is generally considered safe as it is well tolerated at the studied doses
Petersburg Institute of Bioregulation and Gerontology, Epitalon has been studied as a research tool for investigating telomerase enzyme activity, hTERT transcriptional regulation, telomere biology, and chromatin state dynamics in controlled in-vitro experimental systems
Others have had some luck with antacids and fiber supplements
Diabetologia 63(3):473485 van Can J, Sloth B, Jensen CB, Flint A, Blaak EE, Saris WH (2014) Effects of the once-daily GLP-1 analog liraglutide on gastric emptying, glycemic parameters, appetite and energy metabolism in obese, non-diabetic adults