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Bart Kay - Health Science

Bart Kay - Health Science

@bart-kay
Est. 2012·New Zealand·English·~1 vids/wk
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Bart Kay - Health Science is a Health & Wellness and Science YouTube creator with 63.3K subscribers and 7.8M total views. The channel covers nutrition science, diet analysis, carnivore diet, ketogenic diet, cardiovascular health. Active for 14 years, the channel publishes about 1 video per week. Videos average 9K views each. Based in New Zealand, the channel's primary language is English. YouTube channels with 50K–500K sub channels typically charge between $1,000 and $15,000 per sponsored video. Book a sponsorship directly on TrySpansa.

63,300Subscribers
868Total Videos
7,769,404Total Views
Source: YouTube Data API

Audience Insights for Bart Kay - Health Science

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Views / Video284K
Impressions1.2M
Age Demographics
13-17
8%
18-24
35%
25-34
28%
35-44
16%
45-54
8%
55-64
3%
65+
2%
Gender Split
Male 62%Female 36%Other 2%
Core: Male 18-24
Top Countries
🇺🇸United States
28%
🇬🇧United Kingdom
18%
🇧🇷Brazil
12%
🇮🇳India
9%
🇩🇪Germany
7%
Traffic Sources
Search
34%
Suggested
24%
External
14%
Browse
12%
Content Performance
128KAvg Views
4.2%CTR
+1.2KNet Subs
3:42Watch Time
Subscriber Growth
6 mo agoToday
Device Split
Desktop
48%
Mobile
34%
Tablet
11%
TV
7%
Watch Time
8:42Avg Duration
42%Retention
2.1MHours
6.8Views/Visit
Content Type
Long-form
55%
Shorts
28%
Live
12%
Members
5%
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Niches

HealthScience

About

-kay is a former professor in cardiovascular and respiratory physiology, exercise physiology, nutrition, research methods, and statistics. Bart has published a number of peer reviewed research and review articles, as well as book chapters. External consultancies include the New Zealand All Blacks, the National Rugby League (Australia), and both New Zealand and Australian Defence Forces.... In his videos on this channel Bart discusses aspects of nutrition science, and deals head on with charlatans falsely claiming authority in this field; who invariably use pseudoscience and false interpretations of the peer-reviewed literature as their building blocks. Bart is a proponent of the low carbohydrate and carnivore dietary approaches.

Recent Videos

I'm A Scientist. Everything You Know About Fat Loss Is Wrong
Who Should Add FRUIT On The Carnivore Diet? (Scientist Explains)
If Humans Aren't Carnivores, Explain This!
Ridiculous Vegan Caught on Camera Being A Hypocrite - Scientist Responds.
It’s time to talk about my health.
No Seriously, Not All Carnivore Foods Are Safe (STOP EATING NOW)
Scientist Explains ALL OF NUTRITION in 13 Minutes (No B.S)
I'm A Scientist. Here's Why I Never Take Creatine.

Channel data updated June 2026

youtube.com/@bart-kay
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Channel VideosBart Kay - Health Science
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YouTube Data API: 63,300 subscribers
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Meta Ads (Healthcare)$8.99
Mesha 2025
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Using Health & Wellness benchmark: 2.5%–3.34% (E-commerce overall avg) · Skailama 2026
Using Health & Wellness benchmark: 1.4× /year · Beans 2021 freq × Bluecore/MobiLoud RPR
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Methodology & sourcesNot sourced from YouTube
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Topicsclassified by TrySpansa

nutrition sciencediet analysiscarnivore dietketogenic dietcardiovascular healthlipid metabolismnutritional debateslow carb dietsvegan vs carnivorecholesterol scienceexercise physiologydietary health risks

Resources

The Brief Isn't Dead. Unstructured Briefs Are. →NY Synthetic Performer Law: AI Clauses Your Deal Needs →Creator Payment Rails 2026: 5 Compared (Plus 1 Imposter) →

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