If vitamin B12 levels are low, people may experience: Persistent tiredness or fatigue Reduced energy levels Difficulty concentrating Dizziness or weakness For this reason, some travellers consider a B12 injection before a summer holiday in the North West UK to support normal energy levels and reduce travel fatigue
Researchers found that, compared with healthy controls, the levels of trimethylamine oxide, glutamine, and lactic acid in the plasma of patients with depression were significantly increased, while the levels of phenylalanine, valine, alanine, glycine, leucine, citrate, choline, lipids, and glucose were significantly decreased
Reduced NEAT, lowered basal metabolic rate, persistent fatigue
Genest, F&S Reviews 2022 324-41G
If you know you're not getting enough fiber like the vast majority of Americans a supplement like psyllium may be helpful for digestive regularity, but more research is needed to determine its benefits for weight loss