What dose of Chasteberry (Vitex) is effective for Irritability?

Chasteberry (Vitex) at 400 mg lands inside the studied 20-800 mg window. DoseRank scores this product's dose fit at 78 out of 100.

How much does the best Irritability supplement cost?

Nature's Way, Vitex Fruit, 400 mg, 100 Vegan Capsules works out at $0.06 per serving. $0.06 per serving — low price tier for this outcome. Nothing else in this ranking costs less per serving.

Does DoseRank get paid to rank a product first?

No. Retailer links may be affiliate links, but rankings and placement are never paid. Every product is scored by the same public model, and the ranking is recomputed from the underlying product data rather than edited by hand.

The short answer · Irritability

Take chasteberry (vitex) for irritability. This is the one to buy.

Nature's Way, Vitex Fruit, 400 mg, 100 Vegan Capsules

4.6· 28,204 ratings· $0.06/serving

DoseRank score86

Chasteberry (Vitex) 400 mg — inside the studied 20-800 mg window

Of 416 products scored for Irritability, Nature's Way, Vitex Fruit, 400 mg, 100 Vegan Capsules ranks #1 with a DoseRank score of 86. Chasteberry (Vitex) is the strongest evidence signal for this outcome.

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Cheaper alternative$0.06 per servingNature's Way, Vitex Fruit, 400 mg, 320 Vegan Capsules

Retailer links may be affiliate links. Rankings and placement are never paid.

The form“Why Chasteberry (Vitex)?”

Chasteberry (Vitex) is the strongest evidence signal for this outcome.

Chasteberry (Vitex)The pick
Strong evidence · 400 mg
Dried berry of Vitex agnus-castus; traditionally used for PMS and cycle irregularity via mild dopaminergic, prolactin-lowering activity.

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The dose“Is the dose actually effective?”

Chasteberry (Vitex) at 400 mg lands inside the studied 20-800 mg window.

Chasteberry (Vitex)

Studied window 20-800 mg · this pick 400 mg

The ranking“Why should I trust this pick?”

Strong trust signals — consistently high marks from verified buyer ratings. Each product gets a DoseRank score blending clinical strength, evidence, dose fit, trust and value. Retailer links may be affiliate links — the scoring model decides placement, never payment from a brand.

416 products scored
Never paid placement
Evidence level: Strong · 91
102 brands
4 ingredients

See the full analysis — every score, every product How the ranking works

The price“Can I do better than $0.06 a serving?”

$0.06 per serving — low price tier for this outcome. Nothing else in this ranking costs less per serving.

Ready?

The #1 pick is $0.06 a serving.

Nature's Way, Vitex Fruit, 400 mg, 100 Vegan Capsules — in stock at a tracked retailer.

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Nature's Way, Vitex Fruit, 400 mg, 100 Vegan Capsules ranks #1 for Irritability with a DoseRank score of 86. The score blends clinical strength, evidence, dose fit, trust signals and value across 416 products scored for this outcome.

Frequently asked