That's how I see it. If they were expensive or numerous, or required special timing other than "take with food," I'd need a lot more irrefutable evidence of their efficacy. Until then, and in the inspired words of Henry David Thoreau, "Our life is frittered away in detail...simplify, simplify."
I take a magnesium effervescent about an hour before bed every night, and it turned out to be a magic bullet. No more shin pains or foot cramps in the middle of the night. Happy New Year!