Best Vitamin C for Pregnancy
Top 4 products ranked
Last reviewed May 2026
Clinical dose: 250โ2000 mg
Why Vitamin C for Pregnancy
Vitamin C plays a supporting role in pregnancy. Potent antioxidant and cofactor for collagen synthesis, immune function, and iron absorption. Liposomal vitamin C provides significantly higher bioavailability than standard ascorbic acid by encapsulating the molecule in phospholipid spheres for enhanced cellular uptake.
What dose to look for
Clinical studies typically use 250โ2000 mg of vitamin c. Common supplement range; UL is 2000 mg/day. Products below this range may not deliver meaningful results.
What form to look for
Avoid ascorbic acid โ standard form โ absorption drops above 1,000mg. Avoid ester-c โ marketing claims, unclear benefit over standard forms. Avoid ascorbyl palmitate โ fat-soluble form, limited bioavailability data. Look for calcium ascorbate or liposomal vitamin c for better absorption.
What the research says
Vitamin C has strong clinical evidence for pregnancy benefits. Cochrane review of 29 trials found it reduces cold duration 8% in adults; key cofactor for collagen synthesis Learn more

Super Nutrition
Simply One, Prenatal Multivitamin with Super Greens, Spices, Vitamin A, and Folate, 90 Tablets
ascorbic acid ยท 120 mg

Thorne
Basic Prenatal, 90 Capsules
ascorbic acid ยท 150 mg
Nature Made
Prenatal Folic Acid + DHA
ascorbic acid ยท 85 mg

Solgar
Prenatal Nutrients
ascorbic acid ยท 100 mg