The honest answer is that no definitive human data exists
Being an essential element, it is not synthesized by the human body but must be ingested through food or mineral supplements
Conditions such as malnutrition, alcoholism, certain medical conditions (e.g., Crohns disease, celiac disease), or restrictive diets (e.g., veganism without adequate supplementation for *B12*) can lead to deficiencies in one or more of these crucial vitamins
10.1146/annurev-genet-120215-034952 Annu
Mixture Organic Phase (top or bottom) Water Phase (top or bottom) hexane/water methylene chloride/water Table 2.2 Density, Boiling Point, and Solubility Data for 10 Organic Liquids Boiling Point Solubilitya Density (g/cm) (C) Water Ethanol Cyclohexane 0.791 56 Substance Acetone 0.990 1.483 is 0.779 2,3-butanedione Chloroform Cyclohexane Ethyl propyl ether Hexane Isopropyl alcohol Methyl alcohol Methylene chloride Propionaldehyde ooooooo 0.74 0.655 68 0.786 83 65 SS 0.792 1.33 0.81 40 S 46 Solubility symbols: s, soluble