Two studies showed no safety concerns for nattokinase regarding toxicity and genotoxicity.[1] Nattokinase is derived from natto made from fermented soybeans, a Japanese food. The first was published in Regulatory Toxicology and Pharmacology in 2019. The authors are from Shenyang Pharmaceutical University and Sungen Biotech Company in China. The study was part of the preclinical evaluation…
Nattokinase is Nontoxic with a High Safety Margin
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