Digestive issues: Loss of appetite, weight loss, constipation, or diarrhea
ERR target-gene expression (for example, Ppargc1a, Tfam, OXPHOS subunits), oxygen-consumption rate in cells, and, in vivo, indirect calorimetry parameters (energy expenditure, RER), plus mitochondrial DNA and cytochrome-c content in muscle
No data suggests that very high supplementation levels are any more effective at boosting a persons immune system or bodily functions if they do not have a vitamin B12 deficiency
Yes, in most countries, Vitamin B12 injections require a prescription from a healthcare provider, especially when administered as a treatment for deficiency or medical conditions
Not for human consumption, therapeutic use or clinical applications
They examine its role in tissue protection, angiogenesis, microvascular stability, and inflammatory signaling