Vitamin B2

Vitamin B2 is an over-the-counter medication used as a nutritional supplement or to treat Riboflavin deficiency .

• Vitamin B2 is available under the following different brand name: Riboflavin

Adult and pediatric dosage

Capsule

• 50mg
• 400mg

Tablet

• 25mg
• 50mg
• 100mg

Recommended Daily Allowance

Adult dosage

• Males: 1.3 mg/day
• Females: 1.1 mg/day
• Pregnant Women: 1.4 mg/day
• Lactating Women: 1.6 mg/day

Pediatric dosage

• 0-6 months: 0.3 mg/day
• 6-12 months: 0.4 mg/day
• 1-3 years: 0.5 mg/day
• 3-8 years: 0.6 mg/day
• 8-13 years: 0.9 mg/day
• 13-18 years: 1.3 mg/day (Male); 1 mg/day (Female)

Riboflavin Deficiency

Adult dosage

• 6-30 mg/day orally in divided doses 

Pediatric dosage

• Children younger than 3 years of age: Not established
• Children 3-12 years of age: 3-10 mg/day orally in divided doses
• Children 12 years of age or older: 6-30 mg/day orally in divided doses

Dosage Considerations – Should be Given as Follows: 

• See “Dosages”.

Common side effects of Vitamin B2 include:

• yellow or orange urine 

Serious side effects of Vitamin B2 include:

• none

Rare side effects of Vitamin B2 include:

• none 

If your medical doctor is using this medicine to treat your pain, your doctor or pharmacist may already be aware of any possible drug interactions and may be monitoring you for them. Do not start, stop, or change the dosage of any medicine before checking with your doctor, health care provider, or pharmacist first

• Vitamin B2 has no noted severe interactions with any other drugs. 
• Vitamin B2 has no noted serious interactions with any other drugs.
• Vitamin B2 has no noted moderate interactions with any other drugs.
• Vitamin B2 has no noted minor interactions with any other drugs.

This information does not contain all possible interactions or adverse effects. Visit the RxList Drug Interaction Checker for any drug interactions. Therefore, before using this drug, tell your doctor or pharmacist of all the drugs you use. Keep a list of all your medications with you, and share the list with your doctor and pharmacist. Check with your physician if you have health questions or concerns.

Contraindications

• Hypersensitivity.

Effects of drug abuse

• None

Short-Term Effects

• See “What Are Side Effects Associated with Using Vitamin B2?”

Long-Term Effects

• See “What Are Side Effects Associated with Using Vitamin B2?”

Cautions

• Pregnancy (doses exceeding RDA)
• Discuss the use of drugs and side effects with patients as it relates to treatment. 

Pregnancy and Lactation

• Generally acceptable during pregnancy when given within RDA recommendation.
• Use with caution if the benefits outweigh the risks for dosing exceeding the RDA recommendation. 
• Lactation: Safe.