Comment by herbertgreen

I take creatine almost daily for close to 20 years now. Blood work is always perfect. Hours of strength training, cycling and running every week, though.

This might be the best supplement. People over 40 needs CoQ10 (ubiquinol) as well. The energy boost is crazy (I also combine with PQQ, but it's not really proven). Lugol iodine is also the cheapest best supplement ever.