Brandwave

Muscle Nation vs OptiSlim:Which is more popular in New Zealand?

In October 2026, Muscle Nation had more branded searches than OptiSlim among meal replacement brands in New Zealand. Muscle Nation had about 8,110 branded searches, while OptiSlim had 5,470. Muscle Nation made up 34.4% of all meal replacement brand searches we track, and OptiSlim accounted for 23.2%. When we asked ChatGPT and Google AI Overviews about meal replacement brands, OptiSlim appeared in one of the five answers and Muscle Nation in none.

Among meal replacement brands in New Zealand in October 2026

Who do people search for more?

Muscle Nation, about 48% more searches than OptiSlim

Muscle Nation 8.1K searchesOptiSlim 5.5K searches

Who does AI mention more?

OptiSlim, mentioned in 1 of 5 answers, Muscle Nation in 0

OptiSlim in 1 of 5Muscle Nation in 0 of 5

Follow Muscle Nation vs OptiSlim and get free monthly updates on what changed

By continuing you'll get index updates and occasional product news from Brandwave. Unsubscribe any time. Privacy

Track your brand against a rival →

Top meal replacement brands in ChatGPT and Google AI Overviews

In three ChatGPT questions and two Google AI Overviews, OptiSlim was mentioned in one out of five: not in any of the three ChatGPT answers, but in one of the two Google AI Overviews. Muscle Nation did not appear in any of the five answers.

Most recommended by AI

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

  1. The Lady Shake1st
  2. The Man Shake2nd
  3. Optifast3rd
  4. Huel4th
  5. OptiSlim5th
  6. Muscle Nation–

Mentioned by AI

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

  • The Man Shake5 of 5Named in 3 of 3 ChatGPT answersNamed in 2 of 2 Google answers
  • Optifast2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • The Lady Shake2 of 5Named in 1 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • OptiSlim1 of 5Named in 0 of 3 ChatGPT answersNamed in 1 of 2 Google answers
  • Huel1 of 5Named in 1 of 3 ChatGPT answersNamed in 0 of 2 Google answers
  • Muscle Nation0 of 5Named in 0 of 3 ChatGPT answersNamed in 0 of 2 Google answers

See every answer about meal replacement brands

5 answers

Not named in any answer:

Brands are shown in the order each answer named them. The survey took place in New Zealand on October 21, 2026.

Is Muscle Nation or OptiSlim more popular in search?

This chart shows how often people search Google for Muscle Nation and OptiSlim by name. Each line represents a brand's share of searches for all six meal replacement brands we track, month by month, from searches in New Zealand.

Muscle Nation and OptiSlim among meal replacement brands in New Zealand, by month

Share of searches by month for Muscle Nation, OptiSlim. The figures are in the table below the chart.

View monthly share of searches table
MonthMuscle NationOptifastOptiSlimThe Man ShakeThe Lady ShakeHuel
Nov 202555.4%12.7%11.9%12.5%6.3%1.2%
Dec 202538.1%18.8%18.7%14.4%7.8%2.2%
Jan 202622.3%21%25.4%18.8%9.9%2.6%
Feb 202631.9%21%20.7%14.6%8.9%3%
Mar 202639.6%16.9%17.3%15.2%7.3%3.7%
Apr 202636.3%18.3%19.4%15.1%8.2%2.7%
May 202631.6%19.4%20.4%16.1%9.6%2.9%
Jun 202656.1%13.8%13.5%9.3%5.6%1.6%
Jul 202632.7%22.3%22.6%12.3%7.4%2.7%
Aug 202645.1%17.2%17.9%11.2%6.2%2.3%
Sep 202634.7%21.6%20.1%13.1%7.9%2.6%
Oct 202634.4%23.2%23.2%10.6%7%1.7%

How has branded search for Muscle Nation and OptiSlim changed in New Zealand over the last 12 months?

3 findings

How did search popularity change for New Zealand meal replacement brands in October 2026?

2 changes
  1. In October 2026, OptiSlim gained share of searches among meal replacement brands in New Zealand, from 20.1% to 23.2%.

  2. Estimated monthly branded searches for Muscle Nation in New Zealand fell 55.2% over 12 measured months, from 18.1K to 8.1K in October 2026.

How are Muscle Nation’s and OptiSlim’s branded searches counted?

14 search terms

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

Muscle Nation

2 branded search terms

  • muscle nation
  • muscle nation shake

OptiSlim

12 branded search terms

  • optislim
  • optislim bars
  • optislim life
  • optislim nutrition
  • optislim platinum
  • optislim platinum plus
  • optislim powder
  • optislim shake
  • optislim soup
  • optislim variety pack
  • optislim vlcd
  • optislim vlcd shakes

How the Brand Demand Index is measured

Other head-to-heads among meal replacement brands

Creator with pink hair and a pink jacket

Put your own brand in this comparison

Brandwave tracks your branded demand next to the rival you actually watch, with your campaigns, spend and outcomes on the same timeline.