Nutrients · µg RAE
Vitamin A
Vitamin A supports vision, immune function, and skin health. Preformed retinol from supplements and liver is the form that can build up — plant carotenoids don't carry the same upper-limit risk.
How much you need
Values are for general adults and vary by age, sex, and life stage. S8D personalizes the exact target to your profile.
Where to get it
- Sweet potato & carrots
- Leafy greens
- Liver (in moderation)
- Eggs & dairy
Common questions
How much Vitamin A do adults need?
Most adults need 700 µg (women) / 900 µg (men) of Vitamin A (measured in µg RAE). The exact target depends on age, sex, and life stage — S8D personalizes it to your profile.
What is the tolerable upper limit for Vitamin A?
The tolerable upper limit is 3,000 µg (preformed retinol). Staying under it avoids the risks of excess intake; S8D never builds a day that exceeds any nutrient's upper limit.
Which foods are high in Vitamin A?
Good sources include Sweet potato & carrots, Leafy greens, Liver (in moderation), Eggs & dairy.
Why does Vitamin A matter?
Vitamin A supports vision, immune function, and skin health. Preformed retinol from supplements and liver is the form that can build up — plant carotenoids don't carry the same upper-limit risk.