I have ordered and tried Longevity Labs (LL) spermidine supplement, but I am starting to wonder whether it wouldn't be better and much cheaper to take a spoon of wheat germ with breakfast instead. Specifically, if I calculate correctly, the two pills of spermidine that LL recommend me to take daily appear to only contain the equivalent of 2 grams of wheat germ.
Longevity Labs state that the spermidine content of their supplement is 1.1-1.3 milligrams per gram of wheat germ extract and that the two pills correspond to 400 milligram of wheat germ extract. Using the upper number, this gives a spermidine content per serving of 0.4*1.3=0.52 milligram.
Wikipedia claims that wheat germ contains 243 milligrams of spermidine per kilogram. Working backwards, I will thus need (0.52/243)*1000=2.1 gram of wheat germ to get a similar amount of spermidine. I have not scaled it, but I doubt if 2 gram of wheat germ is more than a spoonful.
Any comments you have would be welcome - is my calculation correct? And may there be other reasons why I should chip up ca 60 EUR per month for a fancy supplement when I can just take a spoonful of wheat germ with my morning cereals?