This complex protects the vitamin as it passes through the small intestine
So no company will spend hundreds of millions proving they work because competitors could sell the exact same thing the moment approval is granted
Beyond energy production, mitochondria regulate reactive oxygen species (ROS), calcium balance, apoptosis, metabolite synthesis and organelle transport
For stem cell journals, such endpoints can help connect regenerative products to precise mechanisms rather than broad anti-inflammatory or neuroprotective claims
However, oral bioavailability in humans is poorly quantified, so dosing is even less predictable than with injection
For hepatic impairment specifically, the evidence hierarchy places the current knowledge base at Level 5 (expert opinion and mechanistic reasoning) on the Oxford Centre for Evidence-Based Medicine scale [11]