Dosages

Vitamin A

U.S. RDA:
Men:
General: 1,000mg
Women:
General: 800mg

Dr. Atkins:
General: 5,000IU daily.
Retinol-deficiency-related illnesses: up to 100,000IU per day.

Dr. Balch:
Abscess: 50,000IU daily for 5 days, then 25,00IU daily for 5 days, then reduce to 15,000IU daily. Take with natural carotenoid complex.
Acid/Alkali Imbalance: 50,000IU daily for 1 month, then reduce to 25,000IU daily.
Acne: 25,000IU daily until healed. Then reduce to 5,000IU daily. Take with natural carotenoid complex.
Alcoholism: 25,000IU daily.
Alzheimer's disease: 15,000IU daily.
Anorexia nervosa: 10,000IU daily as part of a multivitamin and mineral complex.
Appetite, poor: 25,000IU daily.
Asthma: 15,000IU daily.
Athlete's foot: 25,000IU daily for one month, then reduce to 25,000IU. Take with beta-carotene.
Bedsores: 50,000IU for 1 month, then reduce to 15,000IU daily.
Bed-wetting: follow label directions.
Boil: 75,000IU daily for 1 month, then reduce to 25,000IU daily. Take with a carotenoid complex.
Bronchitis: 20,000IU twice daily for 1 month; then reduce to 15,000IU daily. Take with 50,000IU of natural beta-carotene daily.
Burns: 100,000IU daily for 1 month, then reduce to 50,000IU daily. Take with 25,000IU of natural beta-carotene daily.
Cancer: 50,000IU daily for 10 days, then reduce to 25,000IU daily. Take with a carotenoid complex.
Carpal tunnel syndrome: 25,000IU daily with mixed carotenoids.
Chickenpox: 20,000IU daily for 1 month, then 15,000IU daily for 1 week.
Chronic fatigue syndrome: 25,000IU daily for 1 month, then slowly reduce to 10,000IU daily. Take with mixed carotenoids and vitamin E.
Common cold: 15,000IU daily with a carotenoid complex.
Croup: 2,000IU daily with mixed carotenoids.
Cystic fibrosis: follow label directions.
Diabetes: 15,000IU daily with carotenoids.
Environmental toxicity: 25,000IU daily for 1 month, then reduce to 15,000 IU daily. Take with a carotenoid complex and vitamin E.
Epilepsy: 25,000IU daily with mixed carotenoids.
Bloodshot eyes: 25,000IU daily with a carotenoid complex.
Colorblindness: 25,000IU daily with carotenoid complex.
Conjunctivitis: 25,000IU daily for 1 month; then reduce to 15,000IU daily.
Corneal ulcer: 25,000IU daily with carotenoid complex.
Diabetic retinopathy: 25,000IU daily with a carotenoid complex.
Dry eyes: use the ointment as directed or take 25,000IU daily.
Eyestrain: 25,000IU daily with a carotenoid complex.
Fever: follow label directions.
Fibroids, uterine: 25,000IU daily with mixed carotenoids.
Fibromyalgia syndrome: 25,000IU daily for 1 month, then slowly reduce to 10,000IU daily. Take with mixed carotenoids and vitamin E.
Hay fever: 25,000IU daily with mixed carotenoids.
Hearing loss: 15,000IU daily with carotenoid complex.
High cholesterol: follow label directions.
Influenza: 15,000IU daily with natural beta-carotenoids.
Skin cancer: 10,000 ­ 50,000IU daily for 10 days or for as long as you are on the program. Take with natural beta-carotene.
Sprains, strains, and other injuries: 10,000IU daily with carotenoid complex.
If you are pregnant, do not exceed 10,000IU daily.

Dr. Barney:
Acne: 10,000IU daily.
Asthma: not over 10,000IU daily.
Bedwetting: not over 3,000IU for child under 6.
Boils: 25,000IU with 50mg zinc daily.
Bronchitis: 25,000IU during infection, then reduce to 10,000 when better.
Cancer: 50,000IU for two weeks, dropping to 25,000 per a day plus 1,000IU of vitamin E daily.
Cataracts: 25,000IU with beta-carotene.
Chronic fatigue syndrome: up to 25,000IU for two weeks, then reduce to 10,000IU daily.
Colitis: 25,000IU daily.
Diarrhea: 10,000IU daily. (See label directions for age appropriate dosage).
Diverticulitis: 25,000IU daily.
Earache: 10,000IU (or age appropriate dose) with 20,000IU of beta-carotene.
Endometriosis: follow label directions.
Fever: 25,000IU daily (or age appropriate dose).
Fibrocystic breast disease: 15,000IU daily.
Glaucoma: 50,000IU daily.
Kidney stones: 10,000 ­ 25,000IU daily.
Lupus: 25,000IU with 25,000IU of beta-carotene.
Meningitis: 25,000IU daily.
Mononucleosis: 25,000IU daily for two weeks, then reduce to 10,000. Take with beta-carotene.
Periodontal disease: follow label directions.
PMS: 25,000IU daily.
Pneumonia: 25,000IU during infection, then reduce to 10,000IU daily.
Pregnancy-related complications: follow label directions. Do not take 10,000IU daily when pregnant.
Psoriasis: 25,000IU daily.
Rheumatic fever: 10,000IU daily (or age appropriate dose) and 20,000IU beta-carotene.
Shingles: 25,000IU daily with 25,000IU of beta-carotene.
Sinusitis: 25,000IU daily with 15,000IU of beta-carotene.
Sunburn: 50,000IU daily with 25,000IU of beta-carotene until healing is sufficient, then reduce to 25,000IU of vitamin A and 10,000 of beta-carotene.
Ulcers: 25,000 ­ 50,000IU daily.
Vaginitis: follow label directions with beta-carotene.
Visual disorders: 50,000IU with 100,000IU of beta-carotene. Use emulsion products.
Warts: 25,000IU daily.
Wrinkles: 25,000IU daily.
If pregnant do not take over 5,000IU daily.

Drs. Zand, Spreen, & LaVille:
Acne: 5,000IU, twice daily, five days a week for one month with 25,000IU of beta-carotene.
Alcoholism: 5,000IU.
Athlete's foot: 5,000IU and 15,000IU of beta-carotene twice daily for two weeks.
Bites: 5,000IU with 15,000IU of beta-carotene twice daily for two weeks.
Blepharitis: 5,000IU three times daily for two months. Then reduce to a maintenance dosage of 5,000IU twice daily.
Boils: 5,000IU with 15,000IU of beta-carotene twice daily for one week or until the boil is healed.
Breast cancer: 25,000IU of vitamin A twice daily for two months, then cut back to 25,000IU daily.
Cancer: 5,000 IU twice daily.
Canker sores: 5,000IU with 25,000IU of a carotenoid complex twice daily for one week.
Cardiovascular disease: 5,000IU with 15,000IU of beta-carotene daily.
Cataracts: 5,000IU three times daily with 25,000IU of beta-carotene twice daily, for one month.
Cervical dysplasia: 20,000IU daily for six weeks; then 10,000IU until your follow-up Pap smear.
Chickenpox: 10,000IU and 25,000IU of beta-carotene, once a day for ten days to one month.
Chlamydia: 5,000IU and 15,000IU of beta-carotene two to three times daily for one month.
Cirrhosis: 10,000IU three times daily for two months, then cut back to a maintenance dose 5,000IU twice daily.
Corneal problems: 10,000IU three times daily for two months.
Crohn's disease: 5,000IU as part of an antioxidant formula.
Cuts and scrapes: 5,000IU with 15,000IU of beta-carotene twice daily.
Dandruff: 10,000IU with 20,000IU beta-carotene daily for two weeks.
Dermatitis: 10,000IU two or three times daily for two weeks, then cut back to 10,000IU daily. Also take a mixed carotene complex.
Dry eyes: 10,000IU three times a day for two months. Then cut back to a maintenance dosage of 5,000IU twice daily.
Eczema: 10,000IU twice daily with and equal amount of beta-carotene.
Emphysema: 25,000IU of emulsified vitamin A three times daily for one month. Then reduce your intake to 25,000IU twice a day for a month. During the third month, reduce your intake to 25,000IU once daily.
Eyestrain: 20,000IU three times daily for two months. Then reduce to a maintenance dosage of 5,000IU twice daily.
Fibromyalgia: 5,000 ­ 10,000IU as part of a good antioxidant formula.
Floaters: 10,000IU three times a day for two months. Then reduce to a maintenance dosage of 5,000IU twice daily.
Food allergies: 5,000IU twice daily with beta-carotene, vitamin E, and selenium.
Glaucoma: 5,000IU twice daily.
Gonorrhea: 25,000IU twice daily for three weeks.
High blood pressure: 5,000IU as part of a good antioxidant formula.
Legionnaire's disease: 10,000IU three times daily for one month.
Measles: 10,00IU twice daily for ten days.
Menopause: 25,000IU daily for one week before the anticipated onset of your period.
Menstrual problems: 25,000IU twice daily for one week before your period starts.
Mumps: 10,000IU of fish-oil vitamin A twice a day for ten days.
Night blindness: 10,000IU three times daily for two months.
Peptic ulcer: 5,000IU two to four times daily for six weeks; then decrease the dosage to 5,000IU twice a day for one month. Then take a maintenance dosage of 5,000IU daily.
Pinkeye: 5,000IU three times a day for two months. Then reduce to a maintenance dosage of 5,000IU daily.
Pneumonia: 10,000IU daily for two weeks with 15,000IU of beta-carotene three times daily for two weeks.
Psoriasis: 10,000IU and 15,000IU of beta-carotene twice daily for one month. Then cut back to one dose of each daily.
Retinal disorder: 5,000IU two or three times daily.
Rosacea: 10,000IU twice daily five days a week for one month with 25,000IU of beta-carotene.
Syphilis: 25,000IU twice a day for three weeks.
Tendinitis: 5,000IU twice daily for one month with an equal amount of beta-carotene.
Tinnitus: 25,000IU daily for one month and monitor your reaction. If symptoms improve, continue taking vitamin A, but reduce the dose to 10,000IU daily.
Urinary tract infection: 25,000IU daily until the infection clears.
Vaginitis: 10,000IU twice a day for two weeks with an equal amount of beta-carotene.
Vocal cord nodules: 10,000IU three times daily.
If you are pregnant, intend to get pregnant or if you have liver disease, consult your doctor before taking supplemental vitamin A. Pregnant women should not ingest a total of more than 25,000IU of supplemental vitamin A per week from all sources.

Integrative Medicine Communications:
under 1 year: ¾1,875 IU400 mcg RE
1 to 3 years:¾¾2,000 IU400 mcg RE
4 to 6 years:¾¾2,500 IU500 mcg RE
7 to 10 years:¾¾3,500 IU700 mcg RE
Males over 10 years: ¾5,000 IU1,000 mcg RE
Females over 10 years:¾¾4,000 IU800 mcg RE
Pregnant women:¾¾5,000 IU1,000 mcg RE
Lactating women:¾¾6,500 IU1,200 mcg RE