According to trade publication National Products Industry Insider's
on a consumer group's review of the products:
"Later in April, ConsumerLab.com released a review article reporting
that dietary supplements for enhancing breast size have no scientific
evidence backing these claims. After receiving numerous inquiries from
consumers regarding the efficacy of these supplements, ConsumerLab.com
reviewed the scientific literature and product information for these
products. However, it found that either there were no published,
double blind studies for natural breast-enhancement products, or else
companies did not wish to share study results. Because of the lack of
science for these supplements, ConsumerLab.com did not submit any
products for laboratory testing and instead released a review article
on the efficacy and safety behind these supplements."
One of the companies that sells a breast-enhancement supplement says
in the article that it is to begin a scientific study of the effects
of the drug and that anecdotal evidence says it works.
The following site contains the study mentioned in the above article:
Here is the full response from the pill-maker:
A doctor on Yahoo! Health also says the pills do not work:
The Herb Research Foundation also mentions the lack of scientific
evidence that the pills work:
A few people on this forum say the product worked for them:
This page says a study did prove a supplement worked, but it comes
from a site that sells supplements:
All other Web sites I found were from manufacturers, retailers or
plastic surgeons or just mentioned the consumerlab.com study.
I hope this satisfies your curiousity.
"breast growth" supplement evidence
breast enhancement supplement evidence
breast enhancement supplement study
Other searches provided no additional results of significance.