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ascorbic acid vs folic acid

Side-by-side comparison of ascorbic acid and folic acid Data from FDA drug databases (Orange Book, NDC Directory, recalls, shortages) covering 20,000+ approved drugs, plus CMS pricing; see our methodology.

Drug Class
ascorbic acid Vitamin C Supplement
folic acid B Vitamin (Folate) Supplement
Type
ascorbic acid Over-the-Counter
folic acid Over-the-Counter
Summary
ascorbic acid

This medicine is a Vitamin C supplement. It also has Vitamins A and D. It can help prevent tooth decay.

folic acid

Integra FTM is a medicine that helps treat iron and folate deficiencies. It is also used during pregnancy to prevent and treat iron deficiency and provide folic acid.

What It Treats
ascorbic acid

This medicine gives you extra Vitamins A, C, and D. It helps make sure you get enough of these vitamins in your diet. It also contains fluoride, which helps prevent cavities. This medicine is for children up to age 16 who don't get enough fluoride in their drinking water.

folic acid

Integra FTM treats iron deficiency anemia and folate deficiency anemia. It is also used during pregnancy to prevent and treat iron deficiency. This medicine also provides a maintenance dosage of folic acid during pregnancy.

How It Works
ascorbic acid

Vitamin C is needed for growth and repair of tissues in all parts of your body. Vitamins A and D are also important for overall health. Fluoride helps to strengthen tooth enamel and prevent tooth decay.

folic acid

Integra FTM contains two types of iron that your body can use. These iron types help to increase the amount of iron in your blood. Folic acid is a B vitamin that helps your body make new blood cells.

Common Side Effects
ascorbic acid

No common side effects listed.

folic acid
  • Upset stomach
  • Nausea
  • Diarrhea
  • Constipation
  • Heartburn
FAERS Reports
ascorbic acid
  • Tiredness 2,275
  • Pain 2,059
  • Feeling sick to your stomach 1,942
  • Loose stools 1,785
  • Headache 1,762
folic acid
  • The medicine did not work 24,766
  • Feeling tired 23,332
  • Pain 23,058
  • Joint pain 19,493
  • Rheumatoid arthritis 17,527
Serious Warnings
ascorbic acid

There are no serious warnings listed.

folic acid

Accidental overdose of iron-containing products is a leading cause of fatal poisoning in young children. Keep this medicine away from children. If someone overdoses, call a doctor or poison control center right away. Folic acid alone is not the right treatment for pernicious anemia or other megaloblastic anemias where Vitamin B12 is lacking.

Pregnancy
ascorbic acid

This information is for children. Ask a doctor for advice if you are pregnant or breastfeeding.

folic acid

Integra FTM can be used during pregnancy to prevent and treat iron deficiency and to provide folic acid. Talk to your doctor before taking this medicine if you are pregnant or breastfeeding.

How to Read This ascorbic acid vs folic acid Comparison

ascorbic acid is classified in the Vitamin C Supplement drug class, while folic acid sits within the B Vitamin (Folate) Supplement class. Drugs from different classes work through distinct mechanisms, so a head-to-head comparison illustrates trade-offs rather than equivalence. Both drugs are available over the counter.

Adverse event totals above are pulled from the FDA's Adverse Event Reporting System (FAERS). For these top-ranked reactions alone, ascorbic acid has 9,823 submissions while folic acid has 108,176. Those figures reflect cumulative reporting volume — not per-patient risk — so older, widely dispensed drugs typically look worse on count alone. No direct interaction between these two drugs is listed in our FDA-derived dataset, though co-prescription still warrants pharmacist review. Serious warnings, pregnancy guidance, and contraindications can differ even when indications overlap.

A table cannot substitute for clinical judgment. Effectiveness, tolerability, drug-drug interactions with your other medications, kidney and liver function, pregnancy status, insurance formulary, and price all feed into a decision that only a licensed prescriber can make responsibly. Data here is sourced from FDA Structured Product Labels (SPL) and FAERS, both of which update as manufacturers and clinicians submit new information. This page is for educational purposes only, is not medical advice, and should not be used to self-switch between ascorbic acid and folic acid — always consult your physician or pharmacist first.

Important: This comparison is for informational purposes only. Drug effects vary between individuals. Always consult your doctor or pharmacist for personalized medical advice.