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Kudzu Flower Extract in Memo Volt: Flower, Not Root
A flower extract with isoflavones; most human research is on the root, not the flower.
Kudzu is a fast-growing vine used in traditional Chinese medicine. The important detail here is that Memo Volt specifies the flower, while nearly all human kudzu research has been done on the root.
Kudzu contains isoflavones that behave as weak plant oestrogens, which is the main safety point to check.
- Also known as
- Pueraria lobata, Pueraria thomsonii flower, ge hua
- Source
- Flowers of the kudzu vine
- Dose used in research
- Root: 1.2–3g a day. Flower: around 100–300mg a day in a small number of Japanese studies
- Studied for
- Root: alcohol intake and menopausal symptoms. Flower: liver fat and metabolic markers
- Evidence strength
- Limited for the root, very limited for the flower, none for cognition
- Amount in Memo Volt
- Not published
Flower versus root
This distinction is easy to miss and it changes what the evidence means. Kudzu root is the part with a research history — studies on reducing alcohol intake, and some on menopausal symptoms, using isoflavones such as puerarin and daidzein at doses of one to three grams a day.
The flower is a different plant part with a different compound profile. It has been studied mainly in Japan, in small trials on liver fat and metabolic markers, at much lower doses. If you read a claim about kudzu and assume it applies to the flower, you are almost certainly reading about the root.
What the research actually shows
For the flower specifically, the human evidence is thin: a small number of studies, mostly metabolic, mostly small, mostly from one region. There is no research on kudzu flower and memory or cognition.
The honest description is that this is a traditional ingredient with limited modern evidence, included in a formula for reasons that are not clearly stated on the label.
The bottom line on Kudzu Flower Extract
A traditional ingredient with limited human evidence, and the part used here is the less-studied one. It lengthens the ingredient list more than it strengthens the formula.
Remember what this page is. Everything above is about Kudzu Flower Extract as a compound, at the doses used in its own research. It is not evidence about Memo Volt, because Memo Volt does not publish how much of it a capsule contains. Research on an ingredient is never the same thing as evidence about a finished product.
Kudzu Flower Extract: common questions
No. They are different parts of the plant with different compound profiles, and almost all human kudzu research has been done on the root. Claims about kudzu root do not automatically apply to the flower.
There is no human research on kudzu, flower or root, for memory or cognitive performance.
Anyone with a hormone-sensitive condition, anyone taking tamoxifen or hormone therapy, anyone pregnant or nursing, and anyone taking methotrexate should speak to a doctor first, because kudzu's isoflavones act as weak plant oestrogens.
Other Memo Volt ingredients
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