dietary supplementation
"I am 79.  About 2 years ago, I had a hard time going to sleep, because of burning, bee-stinging type pain in my feet (peripheral neuropathy in feet), plus calf cramps.  Within about 3 weeks from start of Metanx, no more pain, nor cramps.  Works great.  I only take 1 cap/day.  No side effects that I know of."