What's the RDA for Vitamin C?

Recommended Dietary Allowance (RDA) for Vitamin C (Ascorbic Acid):

Recommended Dietary Allowance (RDA) for Vitamin C
Life Stage Age

Males (mg/day)

Females (mg/day)

Infants 0-6 months 40 (AI)* 40 (AI)
Infants 7-12 months 50 (AI) 50 (AI)
Children 1-3 years 15 15
Children 4-8 years 25 25
Children 9-13 years 45 45
Adolescents 14-18 years 75 65
Adults 19 years and older 90 75
Smokers 19 years and older 125 110
Pregnancy 18 years and younger - 80
Pregnancy 19-years and older - 85
Breastfeeding 18 years and younger - 115
Breastfeeding 19 years and older - 120

 *(AI) stands for Adequate Intake.

Source: Linus Pauling Institute website - (http://lpi.oregonstate.edu/infocenter/vitamins/vitaminC/)

Why is the RDA so low?

The RDA continues to be based primarily on the prevention of deficiency disease (scurvy), rather than the proactive promotion of optimum health. Many experts recommend many times more than these amounts to gain or maintain optimal health.

Back to Pureway-C®+Lysine >

USA shipping map


Coupon "" has been applied and will be in your shopping cart when you’re ready to place your order.
Thanks for shopping with us! — Team Jigsaw

FREE shipping on U.S. orders over $89!*

USA shipping map

57% of packages are small parcels that get delivered to you within 1 or 2 days.

Orders placed before 3pm Arizona time on non-holiday weekdays are shipped out the same day!

Delivery times are affected by how many items you order, and your proximity to Scottsdale, Arizona.

*FREE shipping on U.S. orders over $89! (excludes HI & AK).
Only $9.97 if under $89. Expedited options available at checkout.

Click here for detailed shipping policy, including International Shipping policy.

Buy more & save up to 10%*

It's fun to mix, match & save!

Buy more and save

# of Items


3 or 4

Save 5%


Save 10%

* Bulk discount exclusions:

Sample packets, such as the Jigsaw MagSoothe 7 Pack, are excluded.