Following biohacker Bryan Johnson’s social media admission that his girlfriend’s vagina is absolutely elite, many are curious about what makes someone’s privates top-tier and how to revamp theirs accordingly. “100/100 score. Top 1% of all vaginas,” Johnson, 48, bragged alongside a graph of his 30-year-old girlfriend Kate Tolo’s results from  Tiny Health’s vaginal health test. Tiny Health ‘s $249 at-home swab test, which can be taken in less than five minutes, measures biomarkers, detects bacteria linked to bacterial vaginosis and yeast infections and tracks beneficial Lactobacillus alongside disruptive microbes tied to vaginal health and fertility. “We built this as a wellness tool with a goal of helping women know their vaginal microbiome the way they know their cholesterol level or their blood pressure,” Cheryl Sew Hoy, CEO of Tiny Health, told The Post.…