Vitamin D3
A form of Vitamin D that, when used as a supplement, was associated with a 37% lower risk of dementia.
Common Themes
Videos Mentioning Vitamin D3

How to Enhance Your Gut Microbiome for Brain & Overall Health
Andrew Huberman
A vitamin mentioned in conjunction with K2 as being provided with Athletic Greens, important for general health, even for those getting sunlight.

How to Defeat Jet Lag, Shift Work & Sleeplessness
Andrew Huberman
Mentioned as an important supplement for immune system function and metabolic function, offered as a year supply with Athletic Greens.

Using Science to Optimize Sleep, Learning & Metabolism
Andrew Huberman
Recommended as part of the Athletic Greens special offer, Vitamin D3 is important for immune function and other biological functions.

How Your Brain Works & Changes
Andrew Huberman
Highlighted as important for immune and hormone systems, often obtained from sunlight but frequently deficient.

Tools to Enhance Working Memory & Attention
Andrew Huberman
A vitamin mentioned as part of the year supply provided with AG1 purchases.

Dom D'Agostino Returns (Full Episode) | The Tim Ferriss Show (Podcast)
Tim Ferriss
A daily supplement taken when not getting enough sun exposure, with dosage adjusted based on sun exposure.

This Isn’t the Trump You Remember. The SURPRISING U-Turn You Didn't See Coming | Tom Bilyeu Show
Tom Bilyeu
Supplementation mentioned as a necessary alternative to sun exposure, with a noted paranoia about potential knock-on effects.

Dr. Paul Conti: Tools and Protocols for Mental Health | Huberman Lab Guest Series
Andrew Huberman
Mentioned as part of the year's supply offer from AG1.

Using Deliberate Cold Exposure for Health and Performance | Huberman Lab Podcast #66
Andrew Huberman
A vitamin mentioned as important for numerous biological functions, often supplemented with K2.

Anti-Aging Expert: Stop Touching Receipts Immediately! The Fast Way To Shrink Visceral Fat!
The Diary Of A CEO
The form of Vitamin D produced by sun exposure. Supplementation can slow biological aging by almost 2 years in deficient individuals. Plant-based D3 from lichen is an option for vegetarians/vegans.