Omega 3 fats have been controversial for decades. Is fish oil good or bad for the heart? The most recent analysis of VITAL data says good!
Nocturnal leg cramps can disrupt sleep. Taking a magnesium supplement or vitamin K2 might help prevent these cramps.
When vitamins hurt: The link between excess vitamin B6 and nerve damage. How much pyridoxine is safe and how much could lead to neuropathy?