How popular isDoctor’s Best?
In September 2026, people searched for Doctor’s Best by name about 4,400 times worldwide, an 18.5% decrease from the previous year. These searches made up 4% of all global magnesium supplement brand searches, placing Doctor’s Best eighth out of 12 brands. When we asked both ChatGPT and Google AI Overviews about magnesium supplement brands, Doctor’s Best appeared in one of the four answers and was the joint fifth most recommended of the 12.
Doctor’s Best is the eighth most searched of 12 competitors and the joint fifth most recommended in AI answers.
Natural CalmShare of searches 33%Mentioned in 0 of 4 AI answersPlace in AI recommendations –
Nature MadeShare of searches 20.4%Mentioned in 2 of 4 AI answersPlace in AI recommendations 2nd
BiOptimizersShare of searches 10.1%Mentioned in 0 of 4 AI answersPlace in AI recommendations –
ThorneShare of searches 9.1%Mentioned in 4 of 4 AI answersPlace in AI recommendations 1st
Doctor’s BestShare of searches 4%Mentioned in 1 of 4 AI answersPlace in AI recommendations 5th
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Top magnesium supplement brands in ChatGPT and Google AI Overviews
In three ChatGPT questions and one Google AI Overview, Doctor’s Best was mentioned in one out of four: in one of the three ChatGPT answers, but not in the Google AI Overview. Doctor’s Best is the joint fifth most recommended of the 12.
Most recommended by AI
Brands get a higher ranking if they are mentioned earlier in the answers.
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
See every answer about magnesium supplement brands
4 answers
Asked ChatGPT
“Which magnesium supplement brand should I buy?”
Asked ChatGPT
“What are the best magnesium supplement brands?”
Asked ChatGPT
“What's the best magnesium supplement brand for sleep?”
Searched Google, AI Overview
“magnesium supplement”
Google showed no AI Overview for this search.
Searched Google, AI Overview
“best magnesium supplement”
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.
Which magnesium supplement brands compete with Doctor’s Best?
Share of searches by month for Natural Calm, Nature Made, BiOptimizers, Thorne, Now Foods, Pure Encapsulations, Nature's Bounty, Doctor’s Best, Life Extension. The figures are in the table below the chart.
View monthly share of searches table
| Month | Natural Calm | Nature Made | BiOptimizers | Thorne | Now Foods | Pure Encapsulations | Nature's Bounty | Doctor’s Best | Life Extension | Moon Juice | Ancient Minerals | Jigsaw Health |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 2025 | 38.5% | 13.1% | 12.7% | 7.2% | 5.9% | 3.9% | 5.9% | 4.8% | 3.2% | 2.1% | 2.1% | 0.52% |
| Nov 2025 | 36.2% | 12.2% | 13.6% | 8.1% | 6.7% | 4.4% | 5.4% | 5.4% | 2.9% | 2.4% | 1.9% | 0.59% |
| Dec 2025 | 38.5% | 12.9% | 11.8% | 7.1% | 5.8% | 4.7% | 5.8% | 5.8% | 3.1% | 2% | 2% | 0.63% |
| Jan 2026 | 37.5% | 15.1% | 11.3% | 6.8% | 5.6% | 5.5% | 5.5% | 5.5% | 3% | 2% | 1.6% | 0.49% |
| Feb 2026 | 39.3% | 16.1% | 9.8% | 7.2% | 6% | 4.8% | 4.8% | 4.8% | 3.2% | 1.7% | 1.7% | 0.43% |
| Mar 2026 | 35.6% | 17.9% | 10.9% | 8% | 5.7% | 4.4% | 5.3% | 5.3% | 2.9% | 1.9% | 1.5% | 0.48% |
| Apr 2026 | 35.2% | 18% | 10.9% | 9.8% | 5.7% | 4.4% | 4.4% | 5.4% | 2.9% | 1.3% | 1.5% | 0.48% |
| May 2026 | 32.7% | 20.1% | 10% | 9% | 6.4% | 4.9% | 4.9% | 4.9% | 3.3% | 1.7% | 1.7% | 0.44% |
| Jun 2026 | 33.2% | 20.7% | 10.3% | 9.2% | 6.3% | 5% | 5% | 4.1% | 2.7% | 1.5% | 1.5% | 0.45% |
| Jul 2026 | 32.8% | 20.2% | 10% | 9% | 6.1% | 6% | 4.9% | 4% | 3.3% | 1.7% | 1.5% | 0.44% |
| Aug 2026 | 32.5% | 20.3% | 10.1% | 9.1% | 6.1% | 6% | 4.9% | 4% | 3.3% | 1.7% | 1.5% | 0.44% |
| Sep 2026 | 33% | 20.4% | 10.1% | 9.1% | 6.1% | 6.1% | 5% | 4% | 2.7% | 1.7% | 1.5% | 0.44% |
| Rank | Brand | Share of searches | Estimated monthly branded searches | vs prior month | Share change |
|---|---|---|---|---|---|
| 1, held 1st | 33% | 36K | +1.4% | +0.5 points | |
| 2, held 2nd | 20.4% | 22.2K | 0% | 0 points | |
| 3, held 3rd | 10.1% | 11K | 0% | 0 points | |
| 4, held 4th | 9.1% | 9.9K | 0% | 0 points | |
| 5, held 5th | 6.1% | 6.7K | 0% | 0 points | |
| 6, held 6th | 6.1% | 6.6K | 0% | 0 points | |
| 7, held 7th | 5% | 5.4K | 0% | 0 points | |
| 8, held 8th | 4% | 4.4K | 0% | 0 points | |
| 9, held 9th | 2.7% | 2.9K | -19.4% | -0.6 points | |
| 10, held 10th | 1.7% | 1.9K | 0% | 0 points | |
| 11, held 11th | 1.5% | 1.6K | 0% | 0 points | |
| 12, held 12th | 0.44% | 480 | 0% | 0 points |
33%
Held 1st. 36K estimated branded searches, +1.4% vs prior month. Share +0.5 points.
20.4%
Held 2nd. 22.2K estimated branded searches, 0% vs prior month. Share 0 points.
10.1%
Held 3rd. 11K estimated branded searches, 0% vs prior month. Share 0 points.
4.
Thorne9.1%
Held 4th. 9.9K estimated branded searches, 0% vs prior month. Share 0 points.
6.1%
Held 5th. 6.7K estimated branded searches, 0% vs prior month. Share 0 points.
6.1%
Held 6th. 6.6K estimated branded searches, 0% vs prior month. Share 0 points.
5%
Held 7th. 5.4K estimated branded searches, 0% vs prior month. Share 0 points.
4%
Held 8th. 4.4K estimated branded searches, 0% vs prior month. Share 0 points.
2.7%
Held 9th. 2.9K estimated branded searches, -19.4% vs prior month. Share -0.6 points.
10.
Moon Juice1.7%
Held 10th. 1.9K estimated branded searches, 0% vs prior month. Share 0 points.
1.5%
Held 11th. 1.6K estimated branded searches, 0% vs prior month. Share 0 points.
0.44%
Held 12th. 480 estimated branded searches, 0% vs prior month. Share 0 points.
Compare popularity between Doctor’s Best and its closest rivals
Every comparison with Doctor’s Best
11 comparisons
- BiOptimizers vs Doctor’s Best
- Doctor’s Best vs Natural Calm
- Doctor’s Best vs Nature Made
- Doctor’s Best vs Nature's Bounty
- Doctor’s Best vs Now Foods
- Doctor’s Best vs Pure Encapsulations
- Doctor’s Best vs Thorne
- Doctor’s Best vs Life Extension
- Doctor’s Best vs Moon Juice
- Ancient Minerals vs Doctor’s Best
- Doctor’s Best vs Jigsaw Health
How has branded search demand for Doctor’s Best changed worldwide over the last 12 months?
4 findings
- Across the 12 months ending September 2026, estimated monthly branded searches for Doctor’s Best worldwide fell from 5.4K to 4.4K.
- Across the 12 months ending September 2026, Doctor’s Best’s share of searches among magnesium supplement brands worldwide decreased from 4.8% to 4%.
- Across the 12 months ending September 2026, Doctor’s Best’s share of searches among magnesium supplement brands worldwide peaked at 5.8% in December 2025 and was lowest at 4% in July 2026.
- Across the 12 months ending September 2026, Doctor’s Best fell from 7th to 8th among magnesium supplement brands worldwide.
How did search popularity change for magnesium supplement brands worldwide in September 2026?
6 changes
In September 2026, Natural Calm gained share of searches among magnesium supplement brands worldwide, from 32.5% to 33%.
In September 2026, Life Extension lost share of searches among magnesium supplement brands worldwide, from 3.3% to 2.7%.
Pure Encapsulations’ share of searches among magnesium supplement brands worldwide has gained ground for 3 months in a row, from 5% to 6.1% in September 2026.
Estimated monthly branded searches for Nature Made worldwide rose 50% over 12 measured months, from 14.8K to 22.2K in September 2026.
Estimated monthly branded searches for Thorne worldwide rose 22.2% over 12 measured months, from 8.1K to 9.9K in September 2026.
Estimated monthly branded searches for Ancient Minerals worldwide fell 33.3% over 12 measured months, from 2.4K to 1.6K in September 2026.
How are Doctor’s Best’s branded searches counted?
1 search term
Brandwave collects information about searches that people make online using Doctor’s Best’s name. When viewed over time, estimated search volumes for this branded term can be used to understand whether interest in the brand is growing, holding steady, or fading.
- doctors best magnesium
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