Can a yeast drink boost iron and glow? small study tests it

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * Female, aged 18 to 35; * Hemoglobin concentration level below 110g/L based on WHO diagnostic criteria for anemia; * Agree not to take any drugs, supplements, or other dairy products during the trial; * Agree not to take any other medications or supplements containing iron during the trial; * Willing to refrain from participating in other interventional clinical studies during the trial period; * Be able to fully understand the purpose, benefits and potential risks including side effects of the research; * Willing to obey all test requirements and procedures; * Informed consent signed. Exclusion Criteria: * Anemia caused by organic diseases; * Subject who is in the treatment of gastrointestinal symptoms; * Lactose intolerance; * Subject who is currently presence of other organic diseases affecting intestinal function, such as history of gastrointestinal resection, colon or rectal cancer, inflammatory bowel disease, diabetes, hyperthyroidism or hypothyroidism, congenital megacolon, scleroderma, anorexia nervosa, etc.; * Controlling diet, exercising, or taking medications to control weight or affect appetite in the last 3 months; * Subject who has any of the following medical history or clinical findings that may affect the evaluation of the trial effect: significant gastrointestinal disorders, liver, kidney, endocrine, hematological, respiratory and cardiovascular diseases; * Abuse alcohol or other drugs, supplement or OTC drugs currently or n the past may cause bowel dysfunction or can affect test result evaluation; * Frequently use of medications that may affect gastrointestinal function or the immune system according to investigator's judgment; * Take laxatives or other substances that promote digestion 2 weeks before the trail start; * Subject who used drugs or supplements of iron agent 10 days before the beginning of the trial; * Pregnant or lactating women or those planning to become pregnant during the trial; * PI deems that subjects could not fully cooperate with trial arrangements.