Food Quote by William Davis
““therefore advise people to take 4,000 to 8,000 international units (IUs) per day of oil-based vitamin D3, or cholecalciferol, in gelcaps or drops, for assured absorption. This dose is sufficient to achieve a 25-hydroxy vitamin D blood level of 60 to 70 ng/mL after 2 to 3 months of supplementation in the majority of people, just like a young lifeguard with a tan.””
About This Quote
Source Book: Vitamin D Guide, 2018
A daily dose of 4,000‑8,000 IU of vitamin D3, taken as oil‑based capsules or drops, typically raises blood levels to 60‑70 ng/mL within months for most people.
In simple terms: Take 4,000‑8,000 IU vitamin D3 daily for optimal levels.
Key Takeaway
Take daily oil‑based vitamin D3.
Themes
health
nutrition
wellness
Mood
informative
cautious
Type
educational
practical
When to use this quote
- daily supplementation
- blood testing
- dietary planning
Key Concepts
vitamin D metabolism
dosage guidelines
supplement absorption
Questions to Reflect On
- Are you testing your levels?
- What other nutrients affect vitamin D?
A Different Perspective
Supplementation may cause excess if not monitored.
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