Peter Attia· MD
so um Caucasians which are usually defined as type 1 to type three um Believe It or Not don't need that much uh sun exposure to reach adequate levels um and so one study noted that um people who were type 1 to type three so again Caucasian uh with as little as 9 minutes per day of sun exposure in midday during the summer months in the northern hemisphere some march to September assuming at least a third of their body was exposed um were getting sufficient vitamin D