Tena from Round Rock, Texas writes
According to the manufacturer's product label, Hi-Yield Soil Sulfur contains Sulfur (S) 90.0% 90% - Free Sulfur (S) Derived From: Elemental Sulfur. Sulfur is an essential element for all life, but almost always in the form of organosulfur compounds or metal sulfides. Three amino acids (cysteine, cystine, and methionine) and two vitamins (biotin and thiamine) are organosulfur compounds. For additional product information, the manufacturer can be reached by emailing them directly at [email protected].
Answer last updated on: 03/06/2022
