Supplement reference

Huperzine A

A sourced reference on Huperzine A identity, evidence limits and safety context.

Source and review status

Published sources checked

Sources checked on: 6 September 2026

Qualified clinical review: Pending. This page has not been clinically reviewed.

About this source check

AI-assisted editorial source checking covers the cited material and its stated limits. It is not a systematic review, verification of a supplied product, or clinical sign-off.

Editorial role: InfoAddict. Last material change: 6 September 2026. Next source review: 6 March 2027.

What it is

Huperzine A is an alkaloid associated with Huperzia species and has cholinesterase-inhibiting activity. It is not simply a nutritional choline product.

Sources: National Library of Medicine, PubMed

What the cited evidence shows

A 2021 overview of systematic reviews found apparent cognitive and daily-living effects in Alzheimer disease studies, but high heterogeneity and low-quality primary evidence. It found little or no conclusion for mild cognitive impairment and insufficient evidence for wider outcomes.

Sources: National Library of Medicine, PubMed

Limits and safety context

This does not establish a general memory product or replace assessment of cognitive symptoms.

Sources: National Library of Medicine, PubMed

Published sources

  1. Huperzine A in dementia and mild cognitive impairment: overview of systematic reviews

    National Library of Medicine, PubMed. 2021; accessed 6 September 2026.

    Supports: Reviews found heterogeneity and low-quality primary evidence; not a basis for general memory claims.

Change history

DateChangeClinical-review status
6 September 2026Source-linked reference publishedPending

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