Metabolic/Energy

Blood glucose management

Extreme tiredness that doesn't improve with rest

Not getting enough water, feeling dried out

Low sodium, potassium, or magnesium causing symptoms

Chronic tiredness and low energy

Waking up drenched in sweat

Body burns calories slower than normal

Underactive or overactive thyroid gland

Low levels of important vitamins (B12, D, iron, etc.)

Weight loss and metabolism