Reply To: Sunny Days and the Sunshine VItamin D HomeForumsForumSunny Days and the Sunshine VItamin D 0 Home › Forums › Forum › Sunny Days and the Sunshine VItamin D › Reply To: Sunny Days and the Sunshine VItamin D June 11, 2024 at 4:34 am #2471 CariKeymaster “Regular good light exposure is probably important for preventing the displacement of copper by iron.” – Ray Peat Author Cari