Navigation

biotin (coenzyme R, vitamin H, Nail-ex, Appearex)

 

Classes: B Vitamins

Dosing and uses of Coenzyme R, vitamin H (biotin)

 

Daily Dietary Requirements

Adequate Intake: 30 mcg/day

Nursing Women: 35 mcg/day

 

Other Indications & Uses

Biotin deficiency (extremely rare), brittle fingernails, diabetes, alopecia

 

Pediatric dosage forms and strengths

 

Daily Dietary requirements

Infants (0-1 year old): 5-6 mcg/day

Children (1-9 years old): 8-12 mcg/day

Adolsescents (9-18 years old): 20-25 mcg/day

 

Coenzyme R, vitamin H (biotin) adverse (side) effects

Frequency not defined

Generally safe

Doses of 10 mg per day have been taken with no adverse effects

 

Warnings

Cautions

Hypersensitive individuals

Wating too much raw egg white (contains avidin that binds biotin)

 

Pregnancy and lactation

Pregnancy category: Not studied

Lactation: Not studied

 

Pregnancy categories

A: Generally acceptable. Controlled studies in pregnant women show no evidence of fetal risk.

B: May be acceptable. Either animal studies show no risk but human studies not available or animal studies showed minor risks and human studies done and showed no risk.

C: Use with caution if benefits outweigh risks. Animal studies show risk and human studies not available or neither animal nor human studies done.

D: Use in LIFE-THREATENING emergencies when no safer drug available. Positive evidence of human fetal risk.

X: Do not use in pregnancy. Risks involved outweigh potential benefits. Safer alternatives exist.

NA: Information not available.

 

Nutrition

Sources: liver, legumes, tomatoes, soybeans, carrots

Function: member of water-soluble vitamin family, serves as cofactor to several carboxylases

Deficiency is extremely rare, may cause dermatitis, alopecia, perosis

 

Pharmacology of Coenzyme R, vitamin H (biotin)

Metabolism: liver

Excretion: kidney