glutathione supplements safe 6 health benefits of Glutathione Supplement - Strongest DNA

The PPP is important to maintain carbon homoeostasis, to provide precursors for nucleotide and amino acid biosynthesis, to provide reducing molecules for anabolism, and to defeat oxidative stress

Rijeka: InTechOpen (2012)

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They are produced by plants often as phytoalexins (defense compounds in response to stress or infection) (14)

So actually, just eating natto would be better

Papaioannou A, Liakopoulou A, Papoulis D, Gianni E, Gkolfi P, Zygouri E