Evidence
What the evidence shows
The body cannot make vitamin C, so it must come from food; sun exposure is involved in vitamin D synthesis but has no role in vitamin C [citation:20].
Need more vitamin C?
Eat fruits and vegetablesCitrus, berries, peppers, and leafy greens [citation:20].Using vitamin C for sun protection?
Add sunscreenVitamin C does not block UV rays [citation:27].Concerned about deficiency?
Consult a healthcare provider
Use this section to decide
Does this advice apply to me?
Find the concern or goal closest to yours, then use the fit signal to decide how much weight to give this guide.If your goal is
From sunUse caution- Fit signal
- Limited evidence
No
If your goal is
SourceUsually relevant- Fit signal
- Often useful
Diet
If your goal is
Sun makesUse caution- Fit signal
- Limited evidence
Vitamin D
If your goal is
Replaces sunscreenDepends- Fit signal
- Possible fit
No
Practical use
How to use it
Eat vitamin C-rich foods
Include fruits and vegetables in your diet [citation:20].
Use sunscreen
Vitamin C does not replace UV protection [citation:27].
Consult a provider if concerned
Discuss supplementation if you think you may be deficient [citation:20].
Safety
Side effects and cautions
- Confusing vitamin C with vitamin D
Sun exposure produces vitamin D, not vitamin C [citation:20].
- Using vitamin C instead of sunscreen
Vitamin C does not block UV rays [citation:27].
- Assuming the body makes vitamin C
It must come from the diet [citation:20].
Fit
Who should be careful
- Anyone relying on sun exposure for vitamin C
Worth noting
Small details that can change the answer
- Source. Vitamin C comes from the diet, not the sun [citation:20].
- Body Production. The body does not make vitamin C [citation:20].
- Sun. Sun exposure produces vitamin D, not vitamin C.
- Sunscreen. Vitamin C does not replace sunscreen [citation:27].
You cannot get vitamin C from the sun [citation:20].
Vitamin C comes from the diet; the body does not make it [citation:20].
Sun exposure produces vitamin D, not vitamin C.
Vitamin C does not replace sunscreen [citation:27].
Both vitamin C and sunscreen serve different purposes for skin.
Definition
What vitamin C is and where it comes from
Vitamin C is a nutrient the body needs but cannot produce. It comes from the diet, with sources including citrus fruits, berries, peppers, tomatoes, and leafy greens [citation:20].
- Berries
- Citrus fruits
- Peppers
- Tomatoes
- Broccoli and leafy greens
Myth Reality
Common misconceptions
The sun is involved in vitamin D synthesis, not vitamin C [citation:20].
Vitamin C does not block UV rays like sunscreen does [citation:27].
The body does not produce vitamin C; it must come from the diet [citation:20].
Science
Vitamin C and skin
Vitamin C is an antioxidant that supports collagen production and can help repair skin. However, it does not protect against UV damage the way sunscreen does. Using both is beneficial for different reasons [citation:27].
- Antioxidant
- A substance that helps protect cells from damage by free radicals.
- Collagen
- A protein that provides structure and elasticity to skin [citation:20].
Dos Donts
Getting enough vitamin C
Do
Includes fruits and vegetables rich in vitamin C [citation:20].
Vitamin C does not replace UV protection [citation:27].
Consult a healthcare provider if you are concerned about intake [citation:20].
Avoid
The sun does not provide vitamin C [citation:20].
They serve different purposes [citation:27].
Many foods contain vitamin C [citation:20].
Questions
Frequently asked questions
Does the sun give you vitamin C?
No, the sun is involved in vitamin D synthesis, not vitamin C [citation:20].
Where does vitamin C come from?
From the diet, including fruits like citrus and berries, and vegetables like peppers and broccoli [citation:20].
Can vitamin C replace sunscreen?
No, vitamin C does not block UV rays like sunscreen does [citation:27].
Does the body make vitamin C?
No, the body does not produce vitamin C; it must be obtained from food [citation:20].