Keeraikadai ingredients were screened by Enviro Care India Pvt Ltd, a NABL-accredited laboratory, and met FSSAI limits for heavy metals and pesticide residues — lead, arsenic, cadmium and tin below detectable levels, mercury absent, and all 22 pesticides tested below detection. (Reports ECI-FD-2021/10/070–075, October 2021. A safety and purity test, not a nutrition analysis.)See the quality & safety summary.