What is Chasteberry Extract 20:1?
Chasteberry Extract 20:1 is a standardized herbal extract (20:1). It is used as a raw material in the production of dietary supplements.
Product Features
- Part used: Chaste Tree Fruit
- Standardization: 20:1
| Analysis | Value |
|---|---|
| Moisture | ≤5.0 % |
| Total Heavy Metals | ≤10 ppm |
| E.Coli | Negative in 10 g |
| Salmonella | Negative in 25 g |
What is Chasteberry Extract 20:1 Used For? What is its Purpose?
What is Chasteberry Extract 20:1 used for? Chaste tree (Vitex agnus-castus) is a standardized herbal raw material used in dietary supplements for hormonal balance and premenstrual (PMS) symptom relief in women, due to its content of diterpenes, flavonoids, and iridoid glycosides (agnuside, aucubin). With its standardized 20:1 content, it provides a consistent ingredient source in formulations such as capsules, tablets, standardized extracts (e.g., Ze 440), tinctures, and drops.
Benefits and Main Uses of Chasteberry Extract 20:1
- Premenstrual Syndrome (PMS): The EMA accepts well-established use of standardized Vitex extract for relieving PMS symptoms.
- Pre-menstrual breast tenderness (mastalgia): Placebo-controlled studies have shown it significantly reduces pre-menstrual breast pain/tenderness.
- Mood swings: Used to alleviate edema, irritability, and mood changes associated with PMS.
- Menstrual irregularities: Traditionally used for menstrual cycle irregularities; clinical evidence is limited (limited evidence).
Mechanism of Action and Active Components
The components it contains reduce prolactin release from the pituitary gland via dopaminergic (D2) action; suppression of latent hyperprolactinemia alleviates breast tenderness and PMS symptoms.
Forms of Use (Tablet, Capsule, Powder)
The powder form can be used in tablet, capsule, powder mixture/sachet, and (being water-soluble) liquid/syrup formulations.
Positive Plant List Check
Chasteberry Extract 20:1 is included among the permitted (positive) plants under the Turkish Food Codex dietary supplement legislation. The permitted/used part is: Chaste Tree Fruit.
Usage Rate in Dietary Supplements
According to the List of Restricted Substances in Dietary Supplements, a daily usage limit of 500mg/day applies to this component/extract.
Storage, Shelf Life, and Re-test
Store in a cool, dry place protected from light. The recommended re-test period is generally 3 years; it varies by manufacturer. The CoA document of the relevant batch shall be taken as the basis for the exact date.
Technical Documents and Supply — Asuka Kimya
You can contact Asuka Kimya for SDS, TDS, CoA, and supply conditions for Chasteberry Extract 20:1.
References
The usage information on this page is compiled from official herbal monographs and scientific literature (e.g., EMA/HMPC, NIH/NCCIH, Cochrane, EFSA). The product is a dietary supplement raw material; it does not claim to diagnose or treat diseases.

