Products popular with tourists saw big sales increases in Japan in 2023, with heart stimulants seeing the largest year-on-year rise among daily consumer goods, reflecting growing demand amid a rapid post-pandemic recovery of inbound travel, a survey by a marketing firm showed. Sales of cardiotonics touting effectiveness against palpitations and other heart-related ailments grew 1.8-fold from the previous year, while vitamin B1, a product also popular among foreign visitors, came in fourth with a 48 percent rise, according to Intage Inc.’s report on around 6,000 retail shops. Sales of those two…