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Who needs vitamin C the most?

Smokers or those who are around secondhand smoke at any age should increase their daily amount of vitamin C an additional 35 mg per day. Women who are pregnant or breastfeeding and those who smoke need higher amounts of vitamin C.

medlineplus.gov - Vitamin C: MedlinePlus Medical Encyclopedia

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Recommendations for vitamin C, as well as other nutrients, are provided in the Dietary Reference Intakes (DRIs) developed by the Food and Nutrition Board at the National Academies of Sciences, Engineering, and Medicine. DRI is a term for a set of reference intakes that are used to plan and assess the nutrient intakes of healthy people. These values, which vary by age and sex, include: Recommended Dietary Allowance (RDA): The average daily level of intake that is enough to meet the nutrient needs of nearly all (97% to 98%) healthy people. An RDA is an intake level based on scientific research evidence. Adequate Intake (AI): This level is established when there is not enough scientific research evidence to develop an RDA. It is set at a level that is thought to ensure enough nutrition.

Dietary reference intakes for vitamin C:

Infants (AI)

0 to 6 months: 40* milligrams/day (mg/day)

7 to 12 months: 50* mg/day

Children (RDA)

1 to 3 years: 15 mg/day

4 to 8 years: 25 mg/day

9 to 13 years: 45 mg/day

Girls 14 to 18 years: 65 mg/day

Pregnant teens: 80 mg/day

Breastfeeding teens: 115 mg/day

Boys 14 to 18 years: 75 mg/day

Men age 19 and older: 90 mg/day

Women age 19 year and older: 75 mg/day

Pregnant women: 85 mg/day

Breastfeeding women: 120 mg/day

The best way to get the daily requirement of essential vitamins, including vitamin C, is to eat a balanced diet that contains a variety of foods. Smokers or those who are around secondhand smoke at any age should increase their daily amount of vitamin C an additional 35 mg per day. Women who are pregnant or breastfeeding and those who smoke need higher amounts of vitamin C. Ask your health care provider what amount is best for you.

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What does vitamin C do to your face?

Topical vitamin C is a science-backed, dermatologist-favorite ingredient that may help slow early skin aging, prevent sun damage, and improve the appearance of wrinkles, dark spots, and acne.

health.harvard.edu - Why is topical vitamin C important for skin health? - Harvard Health

November 10, 2021

Dr. Payal Patel is a dermatology research fellow at Massachusetts General Hospital. Her clinical and research interests include autoimmune disease and procedural dermatology. She is part of the Cutaneous Biology Research Center, where she investigates medical … See Full Bio Dr. Neera Nathan is a dermatologist and researcher at Massachusetts General Hospital and Lahey Hospital and Medical Center. Her clinical and research interests include dermatologic surgery, cosmetic dermatology, and laser medicine. She is part of the … See Full Bio As a service to our readers, Harvard Health Publishing provides access to our library of archived content. Please note the date of last review or update on all articles. No content on this site, regardless of date, should ever be used as a substitute for direct medical advice from your doctor or other qualified clinician.