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Thirty-five percent of Americans supplement their diet with multivitamins, according to the American Dietetic Association 1. While vitamin and mineral supplementation may seem like a safe way to make sure you get all the nutrients you need to be healthy, some vitamins and minerals interact with medications, making them more or less effective. Iron supplements interact with eight different types of medications 4. However, iron supplements do not interact with the medication Adderall 34.
Adderall is a central-nervous stimulant that affects chemicals in your brain and nerves to help control impulsive and hyperactive behavior 3. It is used to treat narcolepsy and attention deficit hyperactivity disorder, or ADHD. Adderall is a serious medication that can be addictive, and should only be taken under the direction and guidance of your physician 3. In children, Adderall can affect growth rate, making it important that you closely monitor the growth and weight status of your child while he is taking the medication 3.
Iron Supplements & Levothyroxine
Iron is an essential mineral, meaning your body cannot manufacture it and it must be obtained from your diet. Iron is needed for the production and function of a number of different proteins and enzymes. It also plays a very important role in the transportation of oxygen in your body. Iron-deficiency anemia is one of the most common nutritional disorders in the world, according to the Office of Dietary Supplements 4. If you are iron deficient and unable to adequately meet your daily iron needs through your diet, you may need iron supplements 4. Your doctor determines your daily iron dosage. Most adults who are iron deficient and not pregnant usually need about 300 milligrams of ferrous sulfate a day.
- Iron is an essential mineral, meaning your body cannot manufacture it and it must be obtained from your diet.
Iron and Adderall
It is important that you tell your doctor about all the medications and supplements you take because of potential interactions. While iron supplements interact with a number of different types of medications, it appears as though it is safe to take iron supplements when you are on Adderall 34. However, you should first consult your physician before adding iron supplements to your diet when taking the stimulant 4.
Medications and Iron Supplements
Grapefruit and Iron
Iron supplements interact with medications by inhibiting their absorption 4. If you need to take iron supplements, you should take them two hours before or after you take any medications 4. Medications known to interact with iron supplements include:
- ACE inhibitors
- levodopa 4
In addition, some types of birth control increase blood levels of iron, which may decrease your need for additional supplementation.
Iron Supplements & Levothyroxine
Grapefruit and Iron
Supplements for Behavioral Problems in Children
Adderall and Calcium
How Long Does Iron Stay in Your System?
Iron & Anxiety
The Dosage of an Iron Supplement for a 2-Year-Old
Side Effects of Liquid Iron
Iron Supplements & Thyroid
B-12 and Iron Absorption
- "Journal of the American Dietetic Association"; Position of the American Dietetic Association: Nutrient Supplementation; 2009
- Drugs.com: Adderall XR
- Drugs.com: Adderall
- Office of Dietary Supplements: Iron
- U.S. Department of Health and Human Services. Office of Dietary Supplements/National Institutes of Health. Iron - Fact Sheet for Health Professionals. Updated July 9, 2019.
- Miller JL. Iron deficiency anemia: a common and curable disease. Cold Spring Harb Perspect Med. 2013;3(7). doi:10.1101/cshperspect.a011866
- Okan M, Koch T, Tran M, et al. Iron Supplementation, Response in Iron-Deficiency Anemia: Analysis of Five Trials. Amer J Med. 2017;130(8):991.e1-991.e8. doi:10.1016/j.amjmed.2017.03.045
- Abbaspour N, Hurrell R, Kelishadi R. Review on iron and its importance for human health. J Res Med Sci. 2014;19(2):164-74.
- Manoguerra AS, Erdman AR, Booze LL, et al. Iron ingestion: an evidence-based consensus guideline for out-of-hospital management. Clin Toxicol (Phila). 2005;43(6):553-70.
- Lynch SR, Cook JD. Interaction of vitamin C and iron. Ann N Y Acad Sci. 1980;355:32-44. doi:10.1111/j.1749-6632.1980.tb21325.x
- Camaschella, C. Iron deficiency. Blood. 2019;133:30-9. doi:10.1182/blood-2018-05-815944.
- Office of Dietary Supplements/National Institutes of Health. Iron - Fact Sheet for Health Professionals. Bethesda, Maryland; updated December 7, 2018.
- Okan, M.; Koch, T.; Tran, M. et al. Iron Supplementation, Response in Iron-Deficiency Anemia: Analysis of Five Trials. Amer J Med. 2017;130(8):991.e1-991.e8. doi:10.1016/j.amjmed.2017.03.045.
Jill Corleone is a registered dietitian and health coach who has been writing and lecturing on diet and health for more than 15 years. Her work has been featured on the Huffington Post, Diabetes Self-Management and in the book "Noninvasive Mechanical Ventilation," edited by John R. Bach, M.D. Corleone holds a Bachelor of Science in nutrition.