No Gain (and No Pain) for Andro and DHEA
If they don't work and since at least one may have potentially harmful side
effects, how then have these products become so popular? King explains one
reason is that supplement companies have been promoting their use based on
questionable data. "They used two sources of information," King says.
"One was a 1962 paper where androstenedione and DHEA were given to two
women, and it did raise their blood testosterone levels. The other reference
frequently used was an East German patent for androstenedione use."
King says that the East German data claims a huge rise in blood testosterone
levels following androstenedione but gives no details on the age, condition, or
sex of the patients studied -- factors which could skew the results.
More studies on these products -- including one sponsored by Major League
Baseball -- should be coming out in the months ahead. But for now, there is
concern -- even from the supplements industry -- over the use of
"andro" and DHEA among adolescents. "If you ever pick up a muscle
magazine -- that's where young athletes get their information," says Chris
Rosenbloom, RD, PhD, associate professor of nutrition at Georgia State
University in Atlanta.
"What I always tell people is, 'You want deregulation, this is the price
you pay. You have to be more vigilant as a consumer.'"
- Theoretically, androstenedione and DHEA should cause an increase in lean
body mass because they are both transformed into testosterone in the body.
- A new study, however, shows that neither supplement significantly affects
muscle mass, body fat content, muscular strength, or aerobic capacity.
- One criticism of the study is that the dosage of the supplements may have
been too low.