What is B-Complex/Folic Acid/Vitamin C: Uses, Warnings & Interactions

Updated May 14, 2025  •  Published Dec 30, 2020

B-Complex/Folic Acid/Vitamin C overview

BRAND NAMES:

  • B-50 Complex, B6-Folic Acid, Balanced B50, B-Complex-100, B-Complex-50, Carlson Homocysteine Guard, Cerefolin, Extress Super, Folast, Folika-NC, Foltanx, Lev-Tov, Nature's Blend Balance B-100, Nature's Blend B Complex #1, Nature's Blend B Complex + Folic Acid

Generic Names:

  • B-Complex/Folic Acid/Vitamin C

Uses:

  • Supplies your body with B vitamins. You might need extra B vitamins because of an illness or other medicines that you are using. You might not be getting enough B vitamins from the food you eat, or for other reasons.

Therapeutic Classes:

  • Vitamin Combination, Vitamin Combination, Adult Formula, Vitamin B Combination, Vitamin B/Iron Combination, Vitamin/Mineral Combination, Adult Formula, Vitamin/Nutriceutical Combination, Adult Formula, Nutritive Agent

Forms:

  • Liquid, Chewable Tablet, Long Acting Tablet, Tablet, Liquid Filled Capsule, Long Acting Capsule, Capsule

How it’s taken:

  • By mouth

What is B-Complex/Folic Acid/Vitamin C used for?

What form(s) does B-Complex/Folic Acid/Vitamin C come in

  • Liquid

  • Chewable Tablet

  • Long Acting Tablet

  • Tablet

  • Liquid Filled Capsule

  • Long Acting Capsule

  • Capsule

What are common B-Complex/Folic Acid/Vitamin C doses?

  • Bottle 125 Tablets Extended Release

Common B-Complex/Folic Acid/Vitamin C prescriptions

  • B-Complex/Folic Acid/Vitamin C
    125 tablets extended release bottle

How to take B-Complex/Folic Acid/Vitamin C

  • If you are using the sublingual liquid, measure the liquid with the dropper that comes with the bottle. Squeeze the dropper to place the liquid under your tongue. Hold the liquid under your tongue for about 30 seconds, then swallow it.

  • Measure the oral liquid medicine with a marked measuring spoon, oral syringe, or medicine cup. You might need to shake the liquid just before you use it.

  • The chewable tablet must be chewed completely before you swallow it.

  • Swallow the extended-release tablet, extended-release capsule, or liquid-filled capsule whole. Do not crush, break, or chew the tablet or capsule.

  • Follow the instructions on the medicine label if you are using this medicine without a prescription.

  • Oral routeCarefully follow your doctor's instructions about any special diet.

  • Your doctor will tell you how much medicine to use. Do not use more than directed.

  • If you are using the sublingual liquid, measure the liquid with the dropper that comes with the bottle. Squeeze the dropper to place the liquid under your tongue. Hold the liquid under your tongue for about 30 seconds, then swallow it.

  • Swallow the extended-release tablet, extended-release capsule, or liquid-filled capsule whole. Do not crush, break, or chew the tablet or capsule.

  • Follow the instructions on the medicine label if you are using this medicine without a prescription.

  • Measure the oral liquid medicine with a marked measuring spoon, oral syringe, or medicine cup. You might need to shake the liquid just before you use it.

  • The chewable tablet must be chewed completely before you swallow it.

  • Oral routeCarefully follow your doctor's instructions about any special diet.

  • Your doctor will tell you how much medicine to use. Do not use more than directed.

What to do if you miss a dose of B-Complex/Folic Acid/Vitamin C

  • Keep all medicine out of the reach of children. Never share your medicine with anyone.

  • Take a dose as soon as you remember. If it is almost time for your next dose, wait until then and take a regular dose. Do not take extra medicine to make up for a missed dose.

  • Missing a dose of a vitamin supplement is usually not a cause for concern.

B-Complex/Folic Acid/Vitamin C contraindications

  • You should not use this medicine if you have had an allergic reaction to any kind of vitamin B.

B-Complex/Folic Acid/Vitamin C warnings

  • Make sure your doctor knows if you are pregnant or breast feeding. Tell your doctor if you have liver disease or kidney disease.

B-Complex/Folic Acid/Vitamin C interactions

  • Make sure your doctor knows if you are pregnant or breast feeding. Tell your doctor if you have liver disease or kidney disease.

B-Complex/Folic Acid/Vitamin C side effects

Serious Side Effects

  • Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing

Less Serious Side Effects

  • Nausea, diarrhea, gas.

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