I used to take spirulina every day. It's on the short list of supplements that you can physically notice that you took (like, say, niacin). It always made me jittery for a little while. I think it's good stuff, and isn't going to hurt anyone to take some.

I hadn't heard of colostrum before. Frankly, that sounds kinda creepy to me. Are there growth hormones in there? Plant sources always seem the better way to me than animal.

Is there something in particular that you want to take supplements for?

Check these guys out perhaps.