Brandwave

How popular isiHerb?

In September 2026, people searched for iHerb by name about 18,500 times in New Zealand, about the same as the previous year. These searches made up 2.5% of all New Zealand health store searches, placing iHerb second out of five stores. When we asked both ChatGPT and Google AI Overviews about health stores, iHerb did not appear in any of the answers.

Search and AI answers in September 2026

iHerb is the second most searched of 5 competitors and not listed in any AI answer.

  1. Chemist WarehouseShare of searches 94.7%Mentioned in 0 of 3 AI answersPlace in AI recommendations –
  2. iHerbShare of searches 2.5%Mentioned in 0 of 3 AI answersPlace in AI recommendations –
  3. HealthPostShare of searches 1.3%Mentioned in 3 of 3 AI answersPlace in AI recommendations 1st
  4. Health 2000Share of searches 0.88%Mentioned in 2 of 3 AI answersPlace in AI recommendations 2nd
  5. Pure NatureShare of searches 0.59%Mentioned in 0 of 3 AI answersPlace in AI recommendations –
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Top health stores in ChatGPT and Google AI Overviews

In three ChatGPT questions, iHerb did not appear in any of the three answers.

Most recommended by AI

Brands get a higher ranking if they are mentioned earlier in the answers.

  1. HealthPost1st
  2. Health 20002nd
  3. Chemist Warehouse–
  4. iHerb–
  5. Pure Nature–

Mentioned by AI

Each dot is one answer, filled in when that answer mentions the brand.

  • HealthPost3 of 3Named in 3 of 3 ChatGPT answers
  • Health 20002 of 3Named in 2 of 3 ChatGPT answers
  • Chemist Warehouse0 of 3Named in 0 of 3 ChatGPT answers
  • iHerb0 of 3Named in 0 of 3 ChatGPT answers
  • Pure Nature0 of 3Named in 0 of 3 ChatGPT answers

See every answer about health stores

3 answers

  • Asked ChatGPT

    “Which health store should I shop at in New Zealand?”

    1. 1HealthPost

  • Asked ChatGPT

    “What are the best health stores in New Zealand?”

    1. 1HealthPost
    2. 2Health 2000

  • Asked ChatGPT

    “What's the best health store in New Zealand for vitamins and supplements?”

    1. 1HealthPost
    2. 2Health 2000

  • Searched Google, AI Overview

    “health stores nz”

    Google showed no AI Overview for this search.

  • Searched Google, AI Overview

    “natural health products”

    Google showed no AI Overview for this search.

Not named in any answer:

Brands are shown in the order each answer named them. The survey took place in New Zealand on October 19, 2026.

Which health stores compete with iHerb?

iHerb against health stores in New Zealand, by month

Share of searches by month for Chemist Warehouse, iHerb. The figures are in the table below the chart.

View monthly share of searches table
MonthChemist WarehouseiHerbHealthPostHealth 2000Pure Nature
Oct 202594.5%2.2%1.5%1.1%0.65%
Nov 202595.4%1.8%1.2%0.93%0.66%
Dec 202595.9%1.5%0.98%1.1%0.52%
Jan 202694.1%2.6%1.4%1.3%0.61%
Feb 202694.9%2.2%1.2%1.1%0.63%
Mar 202693.9%2.5%1.4%1.3%0.91%
Apr 202694.1%2.5%1.4%1.3%0.74%
May 202694.2%2.6%1.4%1.1%0.75%
Jun 202694.5%2.6%1.1%1.1%0.75%
Jul 202695%2.1%1.1%1.1%0.62%
Aug 202694.2%2.6%1.4%1.1%0.75%
Sep 202694.7%2.5%1.3%0.88%0.59%

  1. 1.Chemist Warehouse

    94.7%

    Held 1st. 707K estimated branded searches, +3.8% vs prior month. Share +0.5 points.

  2. 2.iHerb

    2.5%

    Held 2nd. 18.5K estimated branded searches, -0.48% vs prior month. Share -0.1 points.

  3. 3.HealthPost

    1.3%

    Held 3rd. 10K estimated branded searches, -0.4% vs prior month. Share 0 points.

  4. 4.Health 2000

    0.88%

    Held 4th. 6.5K estimated branded searches, -15.9% vs prior month. Share -0.2 points.

  5. 5.Pure Nature

    0.59%

    Held 5th. 4.4K estimated branded searches, -18.5% vs prior month. Share -0.2 points.

Compare popularity between iHerb and its closest rivals

Every comparison with iHerb

4 comparisons

How has branded search demand for iHerb changed in New Zealand over the last 12 months?

2 findings
  • Across the 12 months ending September 2026, estimated monthly branded searches for iHerb in New Zealand held steady, from 18.4K to 18.5K.
  • Across the 12 months ending September 2026, iHerb’s share of searches among health stores in New Zealand peaked at 2.6% in August 2026 and was lowest at 1.5% in December 2025.

How did search popularity change for New Zealand health stores in September 2026?

4 changes

  1. In September 2026, Chemist Warehouse gained share of searches among health stores in New Zealand, from 94.2% to 94.7%.

  2. Estimated monthly branded searches for Health 2000 in New Zealand fell 30.8% over 12 measured months, from 9.5K to 6.5K in September 2026.

  3. Estimated monthly branded searches for Pure Nature in New Zealand fell 18.6% over 12 measured months, from 5.4K to 4.4K in September 2026.

  4. Estimated monthly branded searches for HealthPost in New Zealand fell 18.6% over 12 measured months, from 12.3K to 10K in September 2026.

How are iHerb’s branded searches counted?

3 search terms

Brandwave collects information about searches that people make online using iHerb’s name. When viewed over time, estimated search volumes for these branded terms can be used to understand whether interest in the brand is growing, holding steady, or fading.

  • iherb
  • iherb supplements
  • iherb voucher

Do you work for iHerb? To request corrections or removal please contact us via our support page and we will be happy to assist.

How the Brand Demand Index is measured

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