In BriefFitness band maker Whoop formally opened Whoop Advanced Labs for business on Tuesday. Whoop Advanced Labs offers health-screening blood tests from Quest Diagnostics that cover a variety of markers from calcium to white blood cells. Advance Labs costs $199 for one annual test, $349 for two, or $599 for four per year. The Whoop device itself is also a membership ranging from $200 to $350 annually depending on the wearable strap’s features. Whoop joins a growing number of startups offering wellness through lower-cost, out-of-pocket blood screenings on a subscription basis.