What dose of Chasteberry (Vitex) is effective for Premenstrual symptom severity?

Chasteberry (Vitex) at 400 mg lands inside the studied 20-1000 mg window. DoseRank scores this product's dose fit at 76 out of 100.

How much does the best Premenstrual symptom severity 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 · Premenstrual symptom severity

Take chasteberry (vitex) for premenstrual symptom severity. 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 score87

Chasteberry (Vitex) 400 mg — inside the studied 20-1000 mg window

Of 4,146 products scored for Premenstrual symptom severity, Nature's Way, Vitex Fruit, 400 mg, 100 Vegan Capsules ranks #1 with a DoseRank score of 87. 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) — not Magnesium Glycinate or Pyridoxal-5-Phosphate?”

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.
Magnesium Glycinate
Moderate evidence · 600 mg
Magnesium chelated to glycine (the bisglycinate chelate); well-absorbed and gentle on digestion, a popular form for relaxation and sleep support.
Pyridoxal-5-Phosphate
Moderate evidence · 50 mg (calculated)
The active, coenzyme form of vitamin B6; ready for immediate metabolic use without hepatic conversion, preferred for those with impaired B6 phosphorylation.

Buy the #1 pick

The dose“Is the dose actually effective?”

Chasteberry (Vitex) at 400 mg lands inside the studied 20-1000 mg window.

Chasteberry (Vitex)

Studied window 20-1000 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.

4,146 products scored
Never paid placement
Evidence level: Strong · 95
387 brands
12 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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Frequently asked

Nature's Way, Vitex Fruit, 400 mg, 100 Vegan Capsules ranks #1 for Premenstrual symptom severity with a DoseRank score of 87. The score blends clinical strength, evidence, dose fit, trust signals and value across 4,146 products scored for this outcome.

Frequently asked