Over-the-counter medication · Vitamin B2 Supplement
riboflavin
Also sold as Vitamin B2. Dialyvite with Zinc is a prescription supplement that helps improve nutrition.
Data updated 2026-05-15
- In shortage
- FDA status
riboflavin (Vitamin B2) is an over-the-counter Vitamin B2 Supplement. Dialyvite with Zinc is a prescription supplement that helps improve nutrition.
Riboflavin, also known as Vitamin B2, is a supplement that helps your body use energy from food. This particular brand, Dialyvite with Zinc, also contains folic acid, zinc, and other nutrients.
Verify with FDA → · CMS NADAC pricing →
Drug Shortage Alert
riboflavin is currently listed as to be discontinued by the FDA. Affected manufacturer: Glaukos Corporation.
View all drug shortages →What it does
Dialyvite with Zinc is a prescription supplement that helps improve nutrition.
Common side effects
No common side effects listed.
Key warnings
You should not take Dialyvite with Zinc if you are allergic to any of its ingredients.
The sections below are summarized in plain English from riboflavin's FDA-approved prescribing information. They describe what the official label says, and are not personal medical advice.
How It Works
Riboflavin (Vitamin B2) helps your body convert food into energy. The other vitamins and minerals in Dialyvite with Zinc support various bodily functions. This supplement is designed to address specific nutritional needs of kidney dialysis patients.
How to Take It
Take one tablet of Dialyvite with Zinc each day. You should swallow the tablet whole with a glass of water. You can take it with or without food. Follow your doctor's instructions on how to take this medicine.
This is a plain-language summary of riboflavin's FDA labeling, not individualized dosing advice. Ask a pharmacist or prescriber before changing how you take this medication.
Pregnancy & Breastfeeding
It is not specified if Dialyvite with Zinc is safe to take during pregnancy or breastfeeding. Talk to your doctor before taking this supplement if you are pregnant or breastfeeding.
This is a plain-language summary of riboflavin's FDA labeling, not individualized advice. Ask a pharmacist or prescriber about pregnancy or breastfeeding on this medication.
Missed Dose
If you miss a dose, take it as soon as you remember. If it is close to your next dose, skip the missed dose and continue with your regular schedule.
This is a plain-language summary of riboflavin's FDA labeling, not individualized advice. Ask a pharmacist or prescriber what to do about your specific missed dose.
Storage
Store Dialyvite with Zinc at room temperature, away from moisture and heat.
Serious Warnings
You should not take Dialyvite with Zinc if you are allergic to any of its ingredients.
Common Questions
What is Dialyvite with Zinc used for?
How often should I take this supplement?
Can I take this with other medications?
What should I do if I experience side effects?
What are the ingredients in Dialyvite with Zinc?
Is a prescription required?
Can I take more than one tablet a day?
What does the tablet look like?
What do I do if I think I took too much?
Can I take this if I am not a dialysis patient?
What drug class is riboflavin?
Is riboflavin safe during pregnancy?
Is riboflavin currently in shortage?
Related Medications in Vitamin B2 Supplement
Other drugs grouped near riboflavin - same-class peers and common alternatives.
ascorbic acid
Vitamin C
This medicine is a Vitamin C supplement.
Compare with riboflavin →
biotin
Vitamin B7
Dialyvite with Zinc is a prescription vitamin supplement.
Compare with riboflavin →
calcitriol
Rocaltrol
Calcitriol is a form of vitamin D that helps your body absorb and use calcium.
Compare with riboflavin →
calcium carbonate
Tums, Caltrate
Calcium carbonate is a medicine that can relieve heartburn and upset stomach.
Compare with riboflavin →
cholecalciferol
Vitamin D3
PNV-DHA is a multivitamin with minerals and essential fatty acids.
Compare with riboflavin →
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What the FDA Data Shows for riboflavin
The FDA label for riboflavin (sold under brand names such as Vitamin B2) classifies it as an over-the-counter product in the Vitamin B2 Supplement class. Dialyvite with Zinc is a prescription supplement that helps improve nutrition. Labeling covers dosing, contraindications, and monitoring requirements derived from clinical trials.
Post-market surveillance from the FDA Adverse Event Reporting System (FAERS) captures real-world experience. Voluntary reports accumulate over the lifetime of a drug and reflect wide-ranging clinical use. Interaction data is drawn directly from FDA-approved prescribing information. Acquisition-cost data is surveyed weekly by CMS and updated as manufacturers report changes.
Report counts do not establish causation, a FAERS entry documents a temporal association, not proof that the drug produced the outcome. Widely prescribed medications naturally accumulate more reports than niche therapies, so raw totals must be interpreted alongside total exposure. Shortage status, recall history, and patent information further shape supply and switching decisions. This page summarizes public FDA data for educational purposes only and is not a substitute for professional medical advice, always consult a licensed healthcare provider before starting, stopping, or changing any medication.
Data Sources
Drug labeling: FDA Drug Labels (SPL/DailyMed). Adverse events: FDA Adverse Event Reporting System (FAERS). Shortage status: FDA Drug Shortages Database.
FAERS reports are voluntary and do not establish causation. Drug interactions are derived from FDA labeling and clinical references. Always consult a healthcare professional before making medication decisions.
Last updated: January 27, 2026
Read our methodology - how this data is sourced, computed, and verified.
Data currency: FDA FAERS adverse-event reports through 2025, CMS NADAC acquisition-cost pricing effective December 2024, compiled and last refreshed May 2026. See our methodology for per-source dates and refresh cadence. Spot a figure that looks wrong? Report a correction.
All federal data sources used on this page
- FDA Orange Book - approved drug products with therapeutic equivalence. accessdata.fda.gov/cder/ob
- FDA DailyMed - NIH-hosted drug labeling for FDA-approved meds. dailymed.nlm.nih.gov
- FDA Adverse Event Reporting System (FAERS) - post-marketing safety surveillance. fda.gov/drugs/faers
- NLM RxNorm - standardized clinical drug nomenclature. nlm.nih.gov/research/umls/rxnorm
- CMS Medicare Part B Drug Average Sales Price Files - federal drug pricing data. cms.gov/medicare/part-b-drugs/asp
- FDA Drug Shortages Database - current and resolved drug shortage tracking. accessdata.fda.gov/drugshortages