What is Rena-Vite: Uses, Warnings & Interactions

Updated Jun 18, 2025  •  Published Dec 30, 2020

Rena-Vite is an over-the-counter vitamin supplement formulated for people with kidney problems or who are on dialysis. However, Rena-Vite is suitable for anyone requiring B-vitamin supplementation. Rena-Vite contains multiple B vitamins and vitamin C, but the primary active ingredient is folic acid (vitamin B9).

Rena-Vite overview

BRAND NAMES:

  • Rena-Vite, Rena-Vite Rx

Generic Names:

  • Vitamin B combination, multivitamin

Uses:

  • Treats nutritional or vitamin B deficiencies

Therapeutic Classes:

  • Vitamin, nutritive agent

Forms:

  • Tablet

How it’s taken:

  • By mouth

What is Rena-Vite used for?

Rena-Vite provides vitamin B supplementation for people with kidney problems, nutritional deficiencies, or who need vitamin B added to their diet.

What form(s) does Rena-Vite come in

  • Rena-Vite tablet

    • 60 mg vitamin C/1.5 mg vitamin B1/1.7 mg vitamin B2/20 mg vitamin B3/10 mg vitamin B5/10 mg vitamin B6/300 mcg vitamin B7/0.8 mg vitamin B9/6 mcg vitamin B12

What are common Rena-Vite doses?

  • For dietary supplementation: One tablet daily

Common Rena-Vite prescriptions

  • Rena-Vite
    100 tablets bottle

How to take Rena-Vite

  • Please read and follow the package directions and dosage recommendations.

  • Take one tablet daily.

  • Take the tablet with or without food.

  • Swallow the tablet whole with a drink of water.

  • Store Rena-Vite tablets at room temperature. Protect from light and moisture.

What to do if you miss a dose of Rena-Vite

  • It is generally not harmful if you miss a dose of a multivitamin. Take it as soon as you remember, or skip it and take the next day’s dose.

  • Do not take two doses at one time.

Rena-Vite contraindications

  • You should not use this medicine if you have had an allergic reaction to folic acid or any other active or inactive ingredients in Rena-Vite.

Rena-Vite warnings

  • Before taking Rena-Vite, talk to a healthcare provider if you have:

    • A vitamin B12 deficiency

    • Liver problems

    • Diabetes

  • Ask a healthcare provider about when to take Rena-Vite if you’re on dialysis.

Rena-Vite interactions

  • To avoid possible drug interactions or problems, get medical advice about taking Rena-Vite if you’re using:

    • Nonsteroidal anti-inflammatory drugs (NSAIDs) like aspirin or ibuprofen

    • Birth control pills

    • Antiseizure drugs

    • Pancreatic enzymes

    • The cholesterol drugs cholestyramine or colestipol

    • Antifolate cancer drugs such as methotrexate

    • Other vitamins

    • Capecitabine, cyclosporine, fluoxetine, isotretinoin, levodopa, metformin, methylprednisolone, sulfasalazine, warfarin 

  • Tell other healthcare providers you are taking vitamin B supplements before they prescribe new medications.

Rena-Vite side effects

Talk to a healthcare provider if you notice any signs or symptoms of a possible serious side effect including:

  • Allergic reaction: swelling or tingling in your mouth or throat, difficulty swallowing, difficulty breathing, chest tightness, faintness, dizziness, tiredness

Less serious side effects

  • Mild diarrhea

  • Upset stomach

  • Flushing

  • Skin rash, itching

Sources:

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