NOW Supplements, Chaste Berry Vitex Extract 300 mg w/Dong Quai, 90 Veg Caps Review

Product page for NOW Supplements, Chaste Berry Vitex Extract 300 mg with Dong Quai, 90 Veg Caps, sold by Amazon.com. The page lists the item form as capsule, brand NOW, manufacturer NOW Sports - Nutrition and Wellness, container type bottle, and 90 servings per container. Highlights state the chaste berry extract is standardized to agnusides, the active components of chaste berry. Dong quai is included to complete the women's health support formula. The page says chaste berry can support healthy endocrine function, and lists NPA A-rated GMP certification covering stability, potency and product formulation testing. NOW is described as founded in 1968 by Elwood Richard and as one of the largest independent, family- and employee-owned manufacturers of natural products. Listed diet types are Kosher and Vegan, and the item is listed as unflavoured. The recommended use field reads Anxiety Relief. The page shows an overall rating of 4.6 out of 5 stars from 1,203 ratings, but no star histogram or written reviews appear in the scraped text. The buy box shows a one-time price of $13.46 and a Subscribe and Save price of $12.79, with a list price of $21.99. Product ASIN is B001F0R6EW and the page prints UPC 733739047731. The page also lists a 2-pack variant at $43.98 list, which is a separate size option. Ingredients are not included in the scraped text.

Product Focus: Hormone Balance for WomenAlso covers:Sexual healthBrain
Tier ⓘ
Members see this product's tier and why. Tiers run from 1, the strongest evidence, to 5. How we grade →
Evidence ⓘ
How strongly the evidence says this product works: human studies count most, then real reviews, then our biohacker panel.
Positive Reviews
Biohacker Mentions
Cost per month
$7

Study, Trial or Testing Result Summary

MembersHuman studies

Chaste berry, the main ingredient here at a dose, has human evidence for premenstrual and cycle-related symptoms. A pooled analysis of three placebo-controlled trials with 520 women found those taking chaste berry were 2.57 times likely to have their premenstrual symptoms go away. …

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Review Totals and Summary

Members3,628 reviews
3,628 reviews · IHerb 2,345 · Amazon 1,203 · Vitacost 50 · Walmart 22 · PureFormulas 7 · NOW Foods website 1

This summary compiles customer feedback on NOW Supplements, Chaste Berry Vitex Extract 300 mg w/Dong Quai, 90 Veg Caps. Across various stores, this product has accumulated approximately 3621 ratings, with customers generally reporting experiences with this capsule formulation. **What it did for them** users report from menopausal symptoms such as hot flashes and night sweats, with some describing the product as a "Lifesaver!" sleep is a frequently noted . …

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Biohacker Summary

MembersWhat our biohacker panel says

One uses it as a herb for progesterone levels and it for regulating menstrual cycles and PMS, another it to estrogen, especially alongside DHEA, and the third it for women to progesterone and estrogen. That third panelist also said it may sexual desire in both men and women and has side , but men to be careful because it can have a 'chemical castration' . …

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RAL Summary

MembersThe tier and why

More Details

MembersBody systems · Combine with · Possible side effects

Body systems: Reproductive system, Endocrine system, Nervous system. Combine with and possible side are for members.

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Supplement Facts

Chaste Berry Tree Extract Complex 300 mg · Dong Quai 150 mg
Supplement Facts
Serving Size 1 Veg Capsule
Servings Per Container 90
Amount Per Serving% Daily Value
Chaste Berry Tree (Vitex) Extract Complex (Fruit) (Vitex agnus castus) (Standardized to min. 1.5% Agnusides)300 mg†
Dong Quai (Angelica sinensis) (Root)150 mg†
† Daily Value not established.

Other ingredients: Maltodextrin (non-GMO), Hypromellose (cellulose capsule), Stearic Acid (vegetable source) and Silicon Dioxide.

Directions: Take 1 capsule daily.

Label source: Nowfoods · Report a label change

Where to Buy

NOW · Amazon · iHerb
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MembersThe highest ranked for the same goal

Graded October 28, 2026 by the Reverse Age Lab evidence engine, from human studies, real reviews and our biohacker panel. How we grade. Is this medical advice? No. Rala organizes the published evidence; go over any change with your doctor, especially if you take meds.