There are a lot of topics around with 'Best supplement to promote X/Y'. But I couldn't really find a topic with lists of people posting supplements they think are the best bang for your buck.
This could be anything, your multivitamin, your C60, your natural testosteron booster stack or your mega advanced super nootropics longevity lifespan stack.
Which supplements do you take/think are best bang for your back? (This by no way means they have to be cheap, but best supplement pro ratio)