Sunscreen Misinformation, White Cast Lies, & the Anti-Aging Vitamin You’re Sleeping On | Dr. Idriss

7 Jun 2025 · 16 min
15:56

Dr. Shereene Idriss breaks down sunscreen myths, explains why mineral sunscreens leave a white cast on darker skin tones, and explains vitamin D dosing and how to pair it with K and magnesium for anti-aging benefits.

Questions this video answers

2000 international units per day for four years.

Approximately 3000–5000 IU per day (and to check blood levels with a doctor).

Typically 600–900 milligrams daily, taken around 18:00–19:00 (uses magnesium glycinate for relaxation/sleep or magnesium citrate to aid bowel movements).

Andy 9109.

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