RDA vitamina D por idade
- Created by
- Renato Passos, Eng. de Software
- Reviewed by
- Renato Passos, Eng. de Software
Last updated: Apr 18, 2026
About this calculator
The vitamin D RDA calculator by age provides the recommended daily amount of vitamin D for individuals based on their age. Vitamin D is essential for bone health and the immune system. The formula used considers two main age groups: up to 70 years and over 70 years.
The RDA for vitamin D varies according to age. Up to 70 years, the recommendation is 600 IU (International Units) per day. Above 70 years, the recommendation increases to 800 IU per day. This is because the ability to synthesize vitamin D in the skin decreases with age.
It is essential to consider that these recommendations may vary depending on other factors, such as sun exposure, skin color, and the presence of certain medical conditions. Vitamin D can be obtained through sun exposure, diet, and supplements.
Vitamin D deficiency can lead to health problems, such as rickets in children and osteomalacia in adults. Therefore, it is crucial to ensure adequate vitamin D intake according to age and individual needs.
Frequently asked questions
What is the RDA for vitamin D for people under 70?
The RDA for vitamin D for people under 70 is 600 IU per day.
And for people over 70?
For people over 70, the RDA is 800 IU per day.
Is vitamin D important for health?
Yes, vitamin D is essential for bone health and the immune system.
How can I get vitamin D?
Vitamin D can be obtained through sun exposure, diet, and supplements.
What happens if I have a vitamin D deficiency?
Vitamin D deficiency can lead to health problems, such as rickets in children and osteomalacia in adults.