Muscle Candy

Think you'll hit like Mark and Sammy if you take androstenedione and creatine? Dream on

What does it take to be a major league baseball player? Great hand-eye coordination, lots of power and a bottle of androstenedione or creatine. At least that's what the manufacturers of these dietary supplements would like you to believe. Just look at Mark McGwire, who took both substances last year and cranked out a record 70 home runs. And Sammy Sosa, who took creatine and came in second in the great slugfest of 1998. They must know something the rest of us don't.

Then again, maybe not. In separate reports last week, scientists cast doubt on the ability of either substance...

Want the full story?

Subscribe Now

Subscribe
Subscribe

Get TIME the way you want it

  • One Week Digital Pass — $4.99
  • Monthly Pay-As-You-Go DIGITAL ACCESS$2.99
  • One Year ALL ACCESSJust $30!   Best Deal!
    Print Magazine + Digital Edition + Subscriber-only Content on TIME.com

Learn more about the benefits of being a TIME subscriber

If you are already a subscriber sign up — registration is free!