The Gene Partner Test is , and will be offered at the dating site sense2when it relaunches next month.
The idea is that people tend to be attracted to those who have immune system genes that are dissimilar from their own.
Holzle wouldn't reveal membership numbers, but Gene Partner, a Swiss company that works with matchmakers and dating sites, has tested more than 1,000 people, according to chief scientific officer Tamara Brown.
Some were already coupled and took the test out of curiosity.
He was inspired by a well-known "sweaty T-shirt" study of a dozen years ago, in which biologists found that women liked the smell of dirty shirts worn by men who were immunologically dissimilar to themselves.
As with other online dating sites, Scientific Match's users can fill out written profiles and upload photographs.
Members swab their cheeks and send in saliva samples.
"How many dating services can you think of where they can suggest you might have better children?
The companies claim that a better biological match will mean better sex, less cheating, longer-lasting love and perhaps even healthier children.
Online matchmaking site uses “29 key dimensions that help predict compatibility and the potential for relationship success.” Their system was developed by Dr.
Neil Clark Warren, who studied thousands of marriages to develop his “predictive model of compatibility.” Do such scientific methods work? However, scientific personality tests completed with the guidance of a trained researcher do not have 100 percent accuracy (it’s closer to 75 percent).