Best Vitamin C for Pregnancy
Top 8 products ranked
Clinical dose: 250–2000 mg
Vitamin C and pregnancy
When it comes to pregnancy, Vitamin C is one of the most supporting nutrients to consider. 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. Buffered forms (mineral ascorbates like calcium or magnesium ascorbate) reduce gastric irritation for sensitive stomachs.
Effective dosing
Most evidence supports 250–2000 mg of vitamin c daily. Common supplement range; UL is 2000 mg/day. Products below this range may not deliver meaningful results.
Form and bioavailability
Avoid ascorbic acid — standard form — absorption drops above 1,000mg. Avoid ester-c — marketing claims, unclear benefit over standard forms. Avoid ascorbyl palmitate — fat-soluble form, limited bioavailability data. Look for calcium ascorbate or liposomal vitamin c for better absorption.
What the research says
The clinical evidence for vitamin c in pregnancy is strong. Cochrane review of 29 trials found it reduces cold duration 8% in adults; key cofactor for collagen synthesis Learn more

Thorne
Basic Prenatal, 90 Capsules
ascorbic acid · 150 mg

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

Solgar
Prenatal Nutrients
ascorbic acid · 100 mg

21st Century VitaJoy Gummies
Adult Multi
ascorbic acid · 60 mg

Doctor's Best
Fully Active B Complex with Quatrefolic
ascorbic acid · 40 mg
Sunmark
Multiple Vitamins Essential
60 mg

Centrum
Centrum Women Multigummies
18 mg

Chewy Vites
Adults Hair, Skin & Nails Beauty Multivitamin, 60 Gummies
ascorbic acid · 20 mg