Hacker Trends › “vitamin d” trend

How “vitamin d” trended on Hacker News

“Vitamin d” was mentioned 19,754 times on Hacker News between 2007 and 2026, peaking in May 2020 with 608 that month.

Every month from 2007 to 2026, counting how often “vitamin d” appears in Hacker News stories and comments. Each point is a live date-histogram over ~45M items, computed with Upstash Redis Search.

Top Hacker News stories about “vitamin d”

1. 1.The Big Vitamin D Mistake 756 points · 441 comments · 2017 · discuss on HN
2. 2.Over 80% of Covid-19 patients in a hospital study have Vitamin D deficiency 654 points · 363 comments · 2020 · discuss on HN
3. 3.Sunlight through glass does not provide Vitamin D 601 points · 331 comments · 2019 · discuss on HN
4. 4.The First Randomized Controlled Trial on Vitamin D and Covid-19 552 points · 390 comments · 2020 · discuss on HN
5. 5.Vitamin D Insufficiency is Prevalent in Severe Covid-19 484 points · 294 comments · 2020 · discuss on HN
6. 6.Vitamin D insufficiency may account for almost 90% of Covid-19 deaths 426 points · 289 comments · 2020 · discuss on HN
7. 7.Vitamin D, part 2: Shannon's story 420 points · 303 comments · 2020 · discuss on HN
8. 8.Vitamin D Supplementation Improves Cognitive Function: 12-month RCT 414 points · 193 comments · 2020 · discuss on HN
9. 9.Vitamin D, part 1: back to basics 395 points · 143 comments · 2020 · discuss on HN
10. 10.Adequate Vitamin D Levels Cuts Risk of Dying from Covid-19 in Half, Study Finds 372 points · 211 comments · 2020 · discuss on HN
11. 11.Vitamin D deficiency and Covid-19 mortality [pdf] 360 points · 256 comments · 2020 · discuss on HN
12. 12.Vitamin D reduces incidence and duration of colds in those with low levels 341 points · 227 comments · 2025 · discuss on HN

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