Quote:
Originally Posted by skies
Ah, the Niacin. I didn't like the puffiness but at least it didn't last long.
Do you think the L derivative accounts for temperature, or are the supplements all inactive?
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The L designates which stereoisomer of the molecule it is. For example, you could have D-Tryptophan (I think, I'm not so good at biochemistry). Basically, everything is the same about the different letter designations except their 3D structure. Not all supplements are inactive, most are activated actually. L-Tryptophan still works for rebuilding muscles and such even if it isn't active.
But if you want sleepies, then you want it activated.