Guinness is a kind of isoflavone compounds, there are soy, peas, watercress and other legumes.
Estimated Stan genes in human normal dietary intake, mainly indican, 0 to 0.5 mg/kg.
Gene stein content is much higher in the nutritional supplements.
Genistein in female newborn mice cancer, in a similar nutritional alcohol (DES) induced endocrine dependency uterine tumors.
"The guinness book of Tanzania" is not a recognized pharmaceutical or chemical product. No molecular formula, CAS number, or industrial synthesis process exists for this entity. It appears to be a confusion with the "Guinness World Records" publication.
No safety data sheet (SDS) or storage protocols are available as the substance does not exist in the chemical marketplace.