Use this calculator to plan how many Pure Encapsulations Black Cohosh 2.5 (250mg) capsules and bottles you’ll need for a given time period, and see the estimated cost based on the current 120-count bottle price.
Black Cohosh Dosage & Cost Calculator
Based on the labeled dose options for Pure Encapsulations Black Cohosh 2.5 (250mg) and the published 120-count bottle at $53.00.
Estimate only – based on the current listed price of the 120-count Pure Encapsulations Black Cohosh 2.5 (250mg) bottle. Actual Amazon price can change; check the live price before buying.
Why no height/weight input? Unlike per-kg supplements (creatine, protein), Black Cohosh has no published bodyweight-adjusted dosing in the research behind it. This calculator doesn't fabricate a per-kg formula that doesn't exist in the literature.
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This product’s label range is 1–2 capsules daily (250–500 mg), in divided doses between meals, standardized to 2.5% triterpene glycosides.
Clinical black cohosh research most often uses a different preparation — an isopropanolic extract standardized by crude-drug equivalent rather than raw milligrams. A randomized, double-blind, placebo-controlled multicenter study of that isopropanolic extract in 304 postmenopausal women found it effective and well tolerated for menopausal symptoms [1]. Because the extract type and standardization differ from this product, that trial’s results don’t translate directly to a specific milligram dose of this product — it’s included as context on black cohosh research generally, not proof of an equivalent effect at a matched dose. It’s also worth noting a larger 2012 Cochrane systematic review of 16 trials found the overall evidence for black cohosh’s effect on menopausal symptoms inconclusive, so this shouldn’t be read as settled science.
As with the other calculators on our network, there’s no published bodyweight-adjusted dosing for black cohosh, so this tool plans by a fixed daily amount rather than your height or weight.