A: Mountainside Medical serves the United States
The oral berberine research - the closest relevant reference - has typically studied outcomes over 2 to 3-month periods to capture meaningful metabolic changes
Survival also differed significantly by MELD-3 trajectory (p 98%) and markedly reduced survival in deteriorated patients (74.3% at 1 year)
And it can cross the blood-rain barrier, reduce inflammation and oxidative stress, and protect synapses and neurons, showing neuroprotective effects in animal models of AD and PD (Hong et al., 2024)
If you are prediabetic or have metabolic syndrome, berberine supplementation (at adequate doses) may provide some benefit, though you could get the same ingredient for much less
Chronic sleep deprivation (less than 67 hours nightly) disrupts appetite-regulating hormones, increases cortisol levels, and promotes insulin resistance