Brandwave

Life Extension vs Now Foods:Which is more popular?

In September 2026, Now Foods had more branded searches than Life Extension among magnesium supplement brands worldwide. Now Foods had about 6,700 branded searches, while Life Extension had 2,900. Now Foods made up 6.1% of all magnesium supplement brand searches we track, and Life Extension accounted for 2.7%. When we asked ChatGPT and Google AI Overviews about magnesium supplement brands, Life Extension and Now Foods each appeared in one of the four answers. Life Extension and Now Foods were each mentioned first in one of the two answers that named either.

Among magnesium supplement brands worldwide in September 2026

Who do people search for more?

Now Foods, about 2 searches for every 1 for Life Extension

Now Foods 6.7K searchesLife Extension 2.9K searches

Who does AI mention more?

Both were mentioned in 1 of 4 answers.

Life Extension in 1 of 4Now Foods in 1 of 4

Who does AI recommend more?

Each is named first in 1 of 2 answers.

Life Extension first in 1Now Foods first in 1

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Top magnesium supplement brands in ChatGPT and Google AI Overviews

In three ChatGPT questions and one Google AI Overview, Life Extension was mentioned in one out of four: not in any of the three ChatGPT answers, but in the Google AI Overview. Now Foods was mentioned in one out of four: in one of the three ChatGPT answers, but not in the Google AI Overview. Life Extension and Now Foods were each listed first in one of the two answers that named either.

Most recommended by AI

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

  1. Thorne1st
  2. Nature Made2nd
  3. Pure Encapsulations3rd
  4. Now Foods4th
  5. Doctor’s Best5th
  6. Life Extension5th
  7. Natural Calm–
  8. BiOptimizers–
  9. Nature's Bounty–
  10. Moon Juice–
  11. +2 more

Mentioned by AI

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

  • Thorne4 of 4Named in 3 of 3 ChatGPT answersNamed in 1 of 1 Google answers
  • Pure Encapsulations3 of 4Named in 2 of 3 ChatGPT answersNamed in 1 of 1 Google answers
  • Nature Made2 of 4Named in 2 of 3 ChatGPT answersNamed in 0 of 1 Google answers
  • Now Foods1 of 4Named in 1 of 3 ChatGPT answersNamed in 0 of 1 Google answers
  • Doctor’s Best1 of 4Named in 1 of 3 ChatGPT answersNamed in 0 of 1 Google answers
  • Life Extension1 of 4Named in 0 of 3 ChatGPT answersNamed in 1 of 1 Google answers
  • Natural Calm0 of 4Named in 0 of 3 ChatGPT answersNamed in 0 of 1 Google answers
  • BiOptimizers0 of 4Named in 0 of 3 ChatGPT answersNamed in 0 of 1 Google answers
  • Nature's Bounty0 of 4Named in 0 of 3 ChatGPT answersNamed in 0 of 1 Google answers
  • Moon Juice0 of 4Named in 0 of 3 ChatGPT answersNamed in 0 of 1 Google answers

+2 more

See every answer about magnesium supplement brands

4 answers

Not named in any answer:

Brands are shown in the order each answer named them. The survey took place in the United States on October 22, 2026.

Is Life Extension or Now Foods more popular in search?

This chart shows how often people search Google for Life Extension and Now Foods by name. Each line represents a brand's share of searches for all 12 magnesium supplement brands we track, month by month, from English-language searches worldwide.

Life Extension and Now Foods among magnesium supplement brands worldwide, by month

Share of searches by month for Now Foods, Life Extension. The figures are in the table below the chart.

View monthly share of searches table
MonthNatural CalmNature MadeBiOptimizersThorneNow FoodsPure EncapsulationsNature's BountyDoctor’s BestLife ExtensionMoon JuiceAncient MineralsJigsaw Health
Oct 202538.5%13.1%12.7%7.2%5.9%3.9%5.9%4.8%3.2%2.1%2.1%0.52%
Nov 202536.2%12.2%13.6%8.1%6.7%4.4%5.4%5.4%2.9%2.4%1.9%0.59%
Dec 202538.5%12.9%11.8%7.1%5.8%4.7%5.8%5.8%3.1%2%2%0.63%
Jan 202637.5%15.1%11.3%6.8%5.6%5.5%5.5%5.5%3%2%1.6%0.49%
Feb 202639.3%16.1%9.8%7.2%6%4.8%4.8%4.8%3.2%1.7%1.7%0.43%
Mar 202635.6%17.9%10.9%8%5.7%4.4%5.3%5.3%2.9%1.9%1.5%0.48%
Apr 202635.2%18%10.9%9.8%5.7%4.4%4.4%5.4%2.9%1.3%1.5%0.48%
May 202632.7%20.1%10%9%6.4%4.9%4.9%4.9%3.3%1.7%1.7%0.44%
Jun 202633.2%20.7%10.3%9.2%6.3%5%5%4.1%2.7%1.5%1.5%0.45%
Jul 202632.8%20.2%10%9%6.1%6%4.9%4%3.3%1.7%1.5%0.44%
Aug 202632.5%20.3%10.1%9.1%6.1%6%4.9%4%3.3%1.7%1.5%0.44%
Sep 202633%20.4%10.1%9.1%6.1%6.1%5%4%2.7%1.7%1.5%0.44%

How has the Life Extension and Now Foods comparison changed over the last 12 months?

3 findings

How did search popularity change for magnesium supplement brands worldwide in September 2026?

1 change

  1. In September 2026, Life Extension lost share of searches among magnesium supplement brands worldwide, from 3.3% to 2.7%.

How are branded searches counted?

3 search terms

Brandwave collects information about searches that people make online using Life Extension’s and Now Foods’ 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.

Life Extension

1 branded search term

  • life extension magnesium

Now Foods

2 branded search terms

  • now foods magnesium
  • now magnesium

How the Brand Demand Index is measured

Other head-to-heads among magnesium supplement brands

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