In the study they use Mankai Duckweed, which is a proprietary strand of Duckweed that is no longer sold to consumers as of 2022 or so. The corporate website sti

In the study they use Mankai Duckweed, which is a proprietary strand of Duckweed that is no longer sold to consumers as of 2022 or so. The corporate website still has an intake form for distributors and restaurants/businesses. Studies that use proprietary plants are always suspicious to me.