Meitan Plum (Made in Japan, Pack of 2)

What the brand says

Almost 200 years ago, the Japanese began experimenting with ways to concentrate the healing powers of umeboshi. Finally, a dark liquid called bainiku ekisu (plum extract) was developed. To make the extract, sour green ume plums are slowly cooked down to obtain their most active ingredients in a highly concentrated form. The resulting dark, sticky, thick liquid is usually mixed with hot water and honey and is drunk as a tonic. Dried plum extract is also formed into pills, called meitan. In both plum extract and meitan, the plums' citric acid content is concentrated tenfold, which is equivalent to about twenty-five times the content found in lemon juice.